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TOKEN
Current Sensing Resistors
Chip Current Sense / Open-Air Current Shunts / Axial Current Sense Resistors
Token Electronics Industry Co., Ltd.
Taiwan: No. 137, Sec. 1, Chung Shin Rd., Wu Ku Hsiang, Taipei Hsien, Taiwan, R.O.C TEL: 886-2-2981 0109; FAX: 886-2-2988 7487 China: 12F, Zhongxing Industry Bld., Chuangye Rd., Nanshan District, Shenzhen, Guangdong TEL: 86-755-2605 5363, 2605 5364; FAX: 86-755-2605 5365
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Product Index
Information
General Information ----------------------------------------------------------------------------- 01 Design & Selection ------------------------------------------------------------------------------ 03 Terminology & Glossary ----------------------------------------------------------------------- 05
Chip Current Sense Resistors
LRC Series - Current Sense Metal Strip Chip Resistors ---------------------------- 08 CS Series - Surface Mount Current Detecting Resistors ---------------------------- 13 TCS Series - Thin Film Current Sensing Chips ----------------------------------------- 21
Open-Air Current Shunts
LRA Series - Open Air Low Ohmic Resistors ------------------------------------------- 26 LRB Series - Open Air Low Inductance ---------------------------------------------------- 29 OAR Series - Open-Air Metal Element Current Sense -------------------------------- 32 FL Series - Current Shunt Resistors ------------------------------------------------------- 35 LSQ Series - Kelvin Four Terminal Resistors -------------------------------------------- 42 LRD Series - Open-Air Four Leads Resistors ------------------------------------------- 46 LPS Series - Low Ohm Current Sense for Shunts ------------------------------------- 49
Open-Air Current Shunts
BWL Series - Power Low Resistance Resistors ---------------------------------------- 52 NE Series - Low Ohmic Extra Precision Resistors ------------------------------------ 54
Notice: Specification Changed or Version Updated will be posted at irregular intervals. All Updated and Final Specifications, Please Confirm with TOKEN ELECTRONICS REPRESENITIVES.
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Information of Current Sensing Resistors
Information of Current Sensing Resistors
You Current Options - Token Current Sense
As the world becomes more and more technology-driven, the uses for current sensing resistors will continue to increase. The need for even lower resistance value ranges is already becoming evident, as is the need for these resistors to handle more power. The industry-wide trend is the emergence of smaller and smaller products. Token Electronics offers a wide variety of current sensing products from the industry to military standards, such as current sense in Thin-Film / Thick-Film Technology, Bare Element Resistors, and Open Air Shunts. This enables Token to present an astounding number of possible solutions for any circuit design needs.
Applications of Current Detecting Resistors
Token's TCS and CS Series unique form factor provides automotive designers with several advantages. Both TCS and CS Series are ideal for applications involving window lift motors, fuel pump systems, seat belt pretensioners, and pulsewidth modulator feedback. The wider resistive element and lower resistance enables higher current to pass through the device. Token's LRC ultra low ohmic metal strip chip series provides the inherent ability to flex slightly and offers stress relief during extreme temperature cycling on typical or metal substrates. This LRC series is suitable for switch power supply applications (DC-DC Converter, Charger, Adaptor) and power management of monitor. The open air design of bare element resistor LRA and LRB Series provide a far cooler operation by allowing more air flow under the resistive element to keep excess heat from being transmitted to the PC board. They are suitable for high power AC/DC detection of power supply circuit. Token axial moulded BWL series provides power rating up to 10 watts and lower resistance 0.005, is ideal for all types of current sensing applications including switching and linear power supplies, instruments and power amplifiers.
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Information of Current Sensing Resistors
PDF Catalogue Download
Token standard current sensing resistors can be replacement for Vishay, IRC, Ohmite, KOA, Yageo devices with fast delivery and more competitive price. Contact us with your specific needs. Download Low Ohmic Current Sense Catalogue in PDF file (367KB). Generally, a resistor manufacturer will offer their most popular devices as standards creating a reference for Engineers to design from. Typically, and especially true in the Current Sensing category, a standard device is available for most common applications. However, for applications requiring parameters that are not currently considered industry standards, Token is uniquely equipped to offer design and development services at comparatively lower costs than our competitors. In this case, the following information is required to effectively design a current sensing resistor:
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Design & Select Current Sense Resistors
Design & Select Current Sense Resistors
Point 1 - Power Rating
Calculate the power dissipation under operating conditions Equation: Pavg = IRMS2 x R; where Power (P), Current (I), Root Mean Square (RMS), Resistance (R).Allowing for transient or fault conditions and high ambient temperature if applicable, select the required power rating.For many current sense products, only the maximum temperature of the solder joints limits the power rating.Power rating is thus a function of the PCB layout design as well as of component selection (see point 4.).
Point 2 - Resistance Value
Determine the minimum suitable resistance value. This is the lowest value of peak sense voltage consistent with an acceptable signal to noise ratio, divided by the peak current to be measured.
Point 3 - Temperature Coefficient of Resistance (TCR)
Establish the accuracy needed in terms of a tolerance on the value and of sensitivity to temperature. The latter factor is quoted as Temperature Coefficient of Resistance (TCR), defined as the value change in parts per million for a 1C temperature rise. It is generally higher for low value resistors because the metallic leads or terminations, which have a very high TCR, make up a significant part of the total resistance value. To achieve acceptable accuracy it is normally necessary to make four-terminal (Kelvin) connections to the resistor. This means connecting the current carrying tracks and the voltage sense tracks directly to the component pads. Even when this is done, there is still some pad area and solder in series with the resistor, which may compromise the actual tolerance and TCR of the soldered part. For very high accuracy or very low values, a four-terminal resistor type is the best choice.
Point 4 - PCB Layout
Care must be taken when laying out a PCB if the stated performance of a sense resistor is to be achieved. The current carrying tracks should be as wide as possible, using multiple layers connected by many vias near the component pad. This also improves the heatsinking of the joints. The best way to make four-terminal connections to a two-terminal through-hole resistor is to use different sides of the PCB for the current and voltage connections. Failing this, current and voltage tracks should connect to opposite sides of the component pad.
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Design & Select Current Sense Resistors
In order to avoid interference from stray magnetic fields, the loop area contained by the sense resistor, the voltage sense tracks and the sense circuit input should be minimised. This means keeping the sense circuitry as close as possible to the sense resistor and running the voltage sense tracks close to each other.
Point 5 - High Frequency Applications
Where transient or AC currents involving high frequencies are to be sensed, the self-inductance of the resistor must be minimised. Wirewound or spiralled film parts should be avoided, in favour of bulk metal or low value chips.
Point 6 - High Heat Dissipation
When using a metallic element shunt with high heat dissipation and low sense voltage, consideration may need to be given to thermoelectric voltages. The junction between a metallic resistance element and metal terminations acts as a thermocouple, generating a voltage proportional to the temperature difference across it. A leaded metallic element sense resistor is therefore like two thermocouples back to back. This means that, if the temperature differences across both junctions are equal, the error voltage is cancelled out. This is achieved by making the design thermally symmetrical, namely, by presenting both terminals with similar heatsinking and by keeping any other heat sources thermally distant.
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Terminology & Glossary
Terminology Glossary of Current Sensing Resistors
What is a Current Sensing Resistor
Current sensing products are the newest and fastest growing resistive products in the industry today. As with most passive products, the majority of new designs are surface mount. These resistors are used to monitor the current in a circuit and translate the amount of current in that circuit into a voltage that can be easily measured and monitored.
Current Detecting Resistors
Due to the increase in sales of notebook PCs, the demand for the DC/DC converter has shown rapid growth because of its high-energy conversion efficiency, and its precise current-limiting capability. However, to ensure the performance of the multiple output DC/DC converter, the current limiting voltage must be detected precisely to protect an expensive notebook PC from an overload, which is generally due to shorts within the capacitors used in these devices. For high-energy conversion efficiency various control ICs have been developed that utilize resistive components. To achieve the perfect cutoff mode of the DC load current at the programmed current-limiting voltage of the control IC, a very stable and accurate sense resistor with the following characteristics is required for precise voltage comparison. Very Low Ohmic Value should be below 25m for minimizing power consumption at the current sensing resistor. Tight Tolerance must be 1% or tighter for maximizing the current supply within the limit of accept able current. Low TCR is required for current sensing across the ambient temperature range of 0C to 60C. Low Thermal EMF for an accurate comparison between the programmed current-limiting voltage of the control IC and the detected voltage. Furthermore, the self-inductance should be for high frequency applications. Recommended types are general purpose current sensing products or a flame retardant type.
What is a Current Sensing Resistor
Current sensing products are the newest and fastest growing resistive products in the industry today. As with most passive products, the majority of new designs are surface mount. These resistors are used to monitor the current in a circuit and translate the amount of current in that circuit into a voltage that can be easily measured and monitored.
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Current Detecting Resistors
Terminology & Glossary
Due to the increase in sales of notebook PCs, the demand for the DC/DC converter has shown rapid growth because of its high-energy conversion efficiency, and its precise current-limiting capability. However, to ensure the performance of the multiple output DC/DC converter, the current limiting voltage must be detected precisely to protect an expensive notebook PC from an overload, which is generally due to shorts within the capacitors used in these devices. For high-energy conversion efficiency various control ICs have been developed that utilize resistive components. To achieve the perfect cutoff mode of the DC load current at the programmed current-limiting voltage of the control IC, a very stable and accurate sense resistor with the following characteristics is required for precise voltage comparison. Very Low Ohmic Value should be below 25m for minimizing power consumption at the current sensing resistor. Tight Tolerance must be 1% or tighter for maximizing the current supply within the limit of accept able current. Low TCR is required for current sensing across the ambient temperature range of 0C to 60C. Low Thermal EMF for an accurate comparison between the programmed current-limiting voltage of the control IC and the detected voltage. Furthermore, the self-inductance should be for high frequency applications. Recommended types are general purpose current sensing products or a flame retardant type.
How Four Terminal Sense Resistor Work
High precision resistors used for current sensing are usually low ohmic value devices suitable for four terminal connection. To use a 4-terminal resistor, we force a current from Terminal 1 to Terminal 2. It's current, so the unknown resistances attached to Terminal 1 and Terminal 2 don't affect the amount of the current. The same number of electrons per second flow through from T1 to T2, regardless of the resistance. A voltmeter measures the resulting voltage drop across the ultra-precise resistor, measuring through the unknown resistors attached to Terminal 3 and Terminal 4. The voltmeter's input impedance is very, very high compared to the unknown resistors, so the unknown resistors have essentially zero effect (typically less than 0.1 parts-per-million). So the current flows through the 0.100 ohm resistor, unaffected by the unknown resistors, and we measure the voltage across the 0.100 ohm resistor, unaffected by the unknown resistors. And that's how a 4-terminal resistor works!
Vs Terminal 3 (Sense terminal) Voltmeter Measured Terminal 4 (Sense terminal)
? ohm
(Current terminal) Terminal 1
? ohm
? ohm
Rs Known ohm
? ohm
(Current terminal) Terminal 2
Current Is
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Flip Chip Resistor
Terminology & Glossary
An unencapsulated resistor chip on which bead-type leads terminate on one face to permit "flip" (face down) mounting of the resistor chip by contact of the leads with interconnective circuitry.
Hot-Spot Temperature
The maximum temperature measured on the resistor due to both internal heating and the ambient operating temperature.
Low Profile
Components designed with "lower than standard heights", to save space and allow clearance when mounted on PCBs.
Maximum Working Voltage PPM
The maximum specified voltage that may be applied across a resistor. Parts per million. The terminology used when describing the temperature coefficient.
Screen
The process of printing a network pattern of thick-film ink or paste onto a substrate by means of a squeegee applied to a photo-etched wire-mesh "silk screen" or metal mask.
Current Shunt Resistors
Current shunt resistors are low resistance precision resistors used to measure AC or DC electrical currents by the voltage drop those currents create across the resistance. Sometimes called an ammeter shunt, it is a type of current sensor.
SMT/SMD
Surface-mount technology/surface-mount device.
Zero Ohm Resistors
Products that look like resistors, but actually have no resistance (very very low resistance) and instead perform as jumpers.
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LRC Metal Strip Current Sense Resistors
Metal Strip Current Sense Chip Resistors
Ultra Low Ohm Resistor Save Space, Time, and Money (LRC)
Preview Providing design engineers with an economical low ohmic value, current sense metal strip chip resistor with high quality performance, Token Electronics LRC Series is suitable for applications in the automotive sector for applications that require high power handling (Up to 3W) and low resistance 0.5m. From a certified supplier offering the automotive quality, Token's LRC Series gives all round superior performance for current sensing in lamp detection, mirrors, window lift, steering and seat controls. As a first instance, the LRC Series displays enhanced power handling capabilities, against other technologies. Thermal conductivity is important for chip resistors - little heat is dissipated directly into the air, and instead, is conducted out through the solder pads. The heat generated from the specially constructed LRC resistor is more readily dispersed, therefore preventing localised heating, which contributes to TCR and thermal EMF errors, premature aging and possible scorching of the PC board. They are rated for ambient operation from -55C to +170C. The LRC Series is RoHS compliant and lead free. Contact us with your specific needs. Features - Low TCR 50, 100PPM/C - High Wattage Rating Up to 3W - Customized Resistance Available - Resistance Values from 0.5m ohms to 20m ohms - Without Laser Trimmed with Very Low Inductance Applications - For NB power management. - For MB power management. - For Monitor power management. - SWPS: DC-DC converter, Charger, Adaptor.
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LRC Metal Strip Current Sense Resistors
Low Ohmic (LRC) Construction
R001
Overcoat
Sn Solder Plated Metal Barrier Layer (Ni)
Alloy Plate
R001
Overcoat Solder Plating
Alloy Plate
Figure 1
Figure 2
SMD 2512, 2010, 1206 (LRC) Dimensions
D L T W
Type LRC12*T*0M50G LRC12*T*0M75G LRC12*T*R001G LRC12*T*1M50G LRC12*T***G LRC12*T*R004G LRC12*T***G LRC12*T*R007G LRC12*T***G LRC12*T*0M50 LRC12*T*0M75 LRC12*T*R001 LRC12*T*1M50 LRC12*T*R002 LRC12*T*2M50 LRC12*T*R003 LRC12*T*R004 LRC12*T*R005 LRC12*T*R006 LRC12*T*6M50 LRC12*T*R007 LRC10*T*** LRC06*T***
Resistance (m) 0.50 0.75 1.0 1.5 2.0~3.0 4.00 5.0~6.0 7.00 8.0~15 0.50 0.75 1.00 1.50 2.00 2.50 3.00 4.00 5.00 6.00 6.50 7.00 1.0~10 1.0~10
L(mm) 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 6.350.25 5.080.25 3.200.25
W(mm) 3.000.20 3.000.20 3.000.20 3.000.20 3.000.20 3.000.20 3.000.20 3.000.20 3.000.20 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 3.180.25 2.540.15 1.600.10
T(mm) 0.600.20 0.600.20 0.600.20 0.600.20 0.600.20 0.600.20 0.600.20 0.600.20 0.600.20 1.400.20 1.000.20 0.800.20 0.650.20 0.500.20 1.000.20 0.700.20 0.600.20 0.500.20 0.500.20 0.450.20 0.450.20 0.600.20 0.600.20
D(mm) 2.680.25 2.480.25 1.930.25 1.430.25 1.180.25 2.180.25 1.930.25 1.430.25 1.180.25 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.430.38 1.670.63 0.980.38
Notice : TOKEN is capable of manufacturing the optional spec based on customer's requirement.
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Type LRC12*TK** LRC12*TE** LRC12*TW** LRC12*TD**G LRC12*TD** LRC06*TD**
LRC Metal Strip Current Sense Resistors
Power Rating at 80C 1W 1W 1W 1W 1W 1W Operating Temp. Range -55C ~ +170C Resistance Tolerance (%) 1, 3, 5 Resistance (m) 2.5~3.5 4.0~5.5 6.0~7.0 11.0~15.0 0.5~2.0 1.0~10.0 TCR (PPM/C) 150 100 75 50 50 50
SMD 2512, 1206 (LRC) Standard Electrical Specifications
Remark : Operating Current I = ( P / R ) , Operating Voltage V = ( P * R )
SMD 2512, 2010 (LRC) High Power Rating Electrical Specifications Type LRC12*TDS* LRC12*TDS*G LRC12*TDS*G LRC12*TDB*G LRC12*TDR*G LRC12*TER*G LRC10*TDA* Power Rating at 80C 2.0W 2.0W 2.0W 2.5W 3.0W 3.0W 1.5W Operating Temp. Range -55C ~ +170C Resistance Tolerance (%) 1, 3, 5 Resistance (m) 0.5~2.0 3.5 6.5~10.0 4.0~6.0 1.0~3.0 0.5~0.75 1.0~10.0 TCR (PPM/ C) 50 50 50 50 50 100 50
Remark : Operating Current I = ( P / R ) , Operating Voltage V = ( P * R )
Surface Mount Chips (LRC) Packing Quantity Type LRC12 (2512) LRC10 (2010) LRC06 (1206) Emboss Plastic Tape 2,000 2,000 2,000
(LRC) Derating Curve
100
Power Ration (%)
80 60 40 20 0 0 20 40 60 70 80 100 120 140 160 180
Ambient Temperature (C)
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LRC Metal Strip Current Sense Resistors
Top Tape
Surface Mount (LRC) Emboss Plastic Tape Specifications D0 E F B Resistor Emboss Tape
Size
LRC12 LRC10 LRC06 Resistance (m)
W D1
T
A
P1
P2
P0
direction of unreeling
A
B
W
E
F
P0
P1
P2
D0 1.500.10 1.550.05 1.550.05 1.550.05
D0 1.4min 1.4min 1.4min 1.0min
T 0.810.1 0.800.1 0.850.1 0.870.1
0.50~7 0.50~15 1~10 1~10
3.400.1 6.730.1 12.00.1 1.750.1 5.50.05 4.00.1 4.000.1 2.00.05 3.400.1 6.750.1 12.00.1 1.750.1 5.50.05 4.00.1 4.000.1 2.00.05 2.850.1 5.550.1 12.00.2 1.750.1 5.50.05 4.00.1 4.000.1 2.00.05 1.900.1 3.600.1 8.00.2 1.750.1 3.50.05 4.00.1 4.000.1 2.00.05
Notice: 1. The cumulative tolerance of 10 sprocket hole pitch is 0.2mm. 2. Carrier camber shall be not more than 1mm per 100mm through a length of 250mm. 3. A & B measured 0.3mm from the bottom of the packet. 4. t measured at a point on the inside bottom of the packet to the top surface of the carrier. 5. Pocket position relative to sprocket hole is measured as the true position of the pocket and not the pocket hole.
Low Ohmic (LRC) Environmental Characteristics Item Temperature Coefficient of Resistance Thermal Shock Short Time Overload Resistance to Dry Heat Load Life Resistance to Soldering Heat Solderability Specification Black coating Green coating As Spec. 0.5%+0.5m 0.5%+0.5m 1%+0.5m 1%+0.5m 0.5%+0.5m 1% 1% 1% 1% 1% Test Method MIL-STD-202 Method 304 +25/-30/+25/+130/+25C MIL-STD-202 Method 107G -55C~150C, 100 cycles JIS-C-5202-5.5 RCWV*2.5 or Max Overloading Voltage, 5 seconds JIS-C-5202-7.2 96 hours @ +125C without load MIL-STD-202 M108 RCWV, 70C, 1.5 hours on, 0.5 hours off 1000~1048 hours MIL-STD-202F Method 210E 2605C, 101second MIL-STD-202F Method 210E 2605C, 20.5second
95%min coverage
Remark: Green coating can't be work with wave soldering bath. Humidity < 80%RH; Storage Temperature: 253C
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How to Order
LRC Metal Strip Current Sense Resistors
LRC Part Number
12
H
TR
D
R011
G
Dimensions (LxW)
12 10 06 Code EIA2512 EIA2010 EIA1206 Dimensions (LxW) 6.3x3.1mm
Power Rating
Code A S R B Power Rating Standard (1W) (1.5W) (2W) (3W) (2.5W)
5.1x2.5mm 3.2x1.6mm
Resistance Tolerance
Code J H F Resistance Tolerance 5% 3% 1%
Resistance
Code 0M50 0M75 1M50 R002 R010 Resistance 0.00050 0.00075 0.00150 0.00200 0.01000
Package
Code TR Packaging Taping Reel
TCR
Code D W E K TCR 50PPM /C 75PPM/C 100PPM /C 150PPM /C
Protective Coating
Code G **2010/1206 Packaging Black Coating Green Coating No coating / marking
Back to 1st Page - Current Sense Metal Strip Chip Resistors (LRC)
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CS Current Detecting Chip Resistors
Surface Mount Current Detecting Chip Resistors
CS Surface Mount Current Detecting Resistors Save Space and Weight
Preview Token Electronics has launched the CS series, a family of ultra small low-value current-sense surface-mount chip resistors. These smaller sizes save space on the circuit board, allowing the production of smaller and lighter products. The new series complements Token's existing LRC Series, offering metal resistive film on ceramic construction but providing increased choice for product designers in the form of more smaller sizes options of 0201, 0402, 0603, 0805, 1206, 2010, 2512, 1225, 3720, and 7520. Designed for current detecting in power electronic systems, the fully RoHS compliant CS series is suitable for a range of applications including the monitoring of power usage and battery life; and provision of output protection for power supplies; as well as for a range of consumer and automotive products such as satellite navigation, handheld PDAs and digital set-top boxes. The series offers ohmic values as low as 1m to minimise power consumption and has an ambient temperature range of -55C to +155C. Exhibiting a resistance range up to 1 and excellent heat dissipation qualities, the series offers designers enhanced power handling capabilities and protection from the threat of localised heating, resulting in the production of a more energy efficient product. As demand continues to grow for reduced size, handheld and portable devices operating at low voltages, designers will look to manufacturers to produce smaller and smaller current sense resistors. Token expects that demand for its latest range of small size resistors will be high. Contact us with your specific needs. Features - Low TCR 50, 100PPM/C - Resistance Values from 1m to 1 . - 3W Power Rating in 1W size, 1225 Package. - Long size Terminations with Higher Power Rating. - High Purity Alumina Substrate for High Power Dissipation. - Products with Pb-free Terminations Meet RoHS Requirments. Applications - Voltage Regulation Module (VRM). - Portable Devices (PDA, Cell phone). - Disk Driver, Switching Power Supply. - Over Current Protection in Audio Application. - DC-DC Converter, Battery Pack, Charger, Adaptor. - Automotive Engine Control, Power Management Applications. Version 2010
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Dimensions (Unit: mm)
CS Current Detecting Chip Resistors
0201/0402/0603/0805/1206/2010/2512
W
Marking Protective Layer
D1
L D1 T D2 D2 1225/3720/7520
Sn Plating Ni Plating Thin Film Nicr Conductor
Type CS01 (0201) CS02 (0402) CS03 (0603) CS05 (0805) CS06 (1206) CS13 (1210) CS10 (2010) CS12 (2512) CS12 (2512)(2W)(10~99m) CS12 (2512)(2W)(100~1000m) CS25 (1225) CS37 (3720) CS75 (7520) L (Unit: mm) 0.580.05 1.000.05 1.600.10 2.000.15 3.050.15 3.000.15 5.000.20 6.350.20 6.350.20 6.350.20 3.100.15 2.000.20 2.000.20
Alumina Ceramic Substrate Overcoat Metal Resistive Element
W (Unit: mm) 0.290.05 0.500.05 0.800.10 1.250.15 1.550.15 2.500.15 2.450.15 3.150.15 3.150.15 3.150.15 6.300.15 3.750.20 7.500.30 T (Unit: mm) 0.230.05 0.320.10 0.450.10 0.550.10 0.550.10 0.550.10 0.600.15 0.600.10 0.740.10 0.740.10 0.900.15 0.600.10 0.600.10
R010
W D1 (Unit: mm) 0.120.05 0.250.10 0.300.20 0.300.20 0.500.30 0.500.30 0.600.30 0.600.30 0.600.30 0.600.30 0.600.30 0.400.20 0.400.20
L
D2 (Unit: mm) 0.150.05 0.200.10 0.300.20 0.400.25 0.400.25 0.500.25 0.500.25 0.550.25 0.550.25 2.700.10 0.550.25 0.400.20 0.400.20
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Type CS01 (0201) Power Rating at 70C 1/20W
CS Current Detecting Chip Resistors
Operating Temp. Range Resistance Tolerance Resistance Range 100m~149m 150m~500m 501m~1000m 50m~100m 101m~500m 501m~1 20m~50m 51m~100m 101m~500m 501m~1 20m~50m 51m~100m 101m~500m 501m~1 10m~20m 21m~50m 51m~500m 501m~1 3m~5m 6m~20m 21m~30m 31m~200m 10m~19m 20m~500m 1m~4m 5m~10m 11m~350m TCR (PPM/C) 1000PPM/C 600PPM/C 300PPM/C 400PPM/C 300PPM/C 200PPM/C 600PPM/C 400PPM/C 300PPM/C 200PPM/C 600PPM/C 400PPM/C 300PPM/C 200PPM/C 600PPM/C 400PPM/C 300PPM/C 200PPM/C 300PPM/C 200PPM/C 150PPM/C 100PPM/C 200PPM/C 300PPM/C 150PPM/C 300PPM/C 200PPM/C 150PPM/C
Standard Electrical Specifications
CS02 (0402)
1/16W
CS03 (0603)
1/10W
CS05 (0805) CS06 (1206) CS13 (1210) CS10 (2010) CS12 (2512)
1/8W 1/4W 1/2W 3/4W 1W -55 ~ +155C
1% 2% 5%
CS25 (1225)
3W
CS37 (3720) CS75 (7520)
1W 2W 2%,5% 1%,2%,5%
Note:Token has the ability to manufacture following options based on customer's requirement.
Low TCR Electrical Specifications Type CS06*TRE** CS13*TRE** CS10*TRE** CS12*TRE** CS37*TRE** CS75*TRE** Power Rating at 70C 1/4W 1/2W 3/4W 1W 1W 2W Operating Temp. Range Resistance Tolerance 1% 2% 5% Resistance Range 100m~1000m 100m~1000m 100m~1000m 20m~1000m 100m~500m 50m~350m TCR 100PPM/C 100PPM/C 100PPM/C 100PPM/C 100PPM/C 100PPM/C
-55 ~ +155C
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Type Power Rating at 70C 1/8W
CS Current Detecting Chip Resistors
Operating Temp. Range Resistance Tolerance Resistance Range TCR
High Power Rating Electrical Specifications
CS03*TR*W** CS05*TR*V** CS06*TR*U** CS13*TR*Q** CS10*TR*T** CS12*TR*A** CS12*TR*S**
1/4W 1/2W 1/2W 3/4W
1W -55 ~ +155C 1% 2% 5%
51m~100m 101m~500m 501m~1000m 10m~20m 21m~50m 51m~500m 501m~1000m
400PPM/C 300PPM/C 200PPM/C 600PPM/C 400PPM/C 300PPM/C 200PPM/C
1.5W 2W
Power Derating Curve Derating Curve
100
Power Ration (%)
80 60 40 20 0 0 20 40 60 70 80 100 120 140 160 180
Ambient Temperature (C)
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Item Temperature Coefficient of Resistance Short Time Overload
CS Current Detecting Chip Resistors
Specification As Spec Test Method MIL-STD-202F Method 304 +25/-55/+25/+125/+25C
Environmental Characteristics
(0.5% + 0.05) JIS-C-5202-5.5 R1% for high power rating RCWV*2.5 or Max Overloading Voltage 5seconds MIL-STD-202F Method 301 Dielectric Withstand Voltage by Type Apply Max Overload Voltage for l minute MIL-STD-202F Method 302 Insulation Resistance >1000M Apply 100VDC for 1minute MIL-STD-202F Method 107G Thermal Shock (0.5% + 0.05) -55C~150C, 100cycles MIL-STD-202F Method 108A Load Life (1% + 0.05) RCWV, 70C, 1.5 hours on , 0.5 hours off , 1000~1048 hours MIL-STD-202F Method 103B humidity (Steady State) (0.5% + 0.05) 40C, 90~95%RH, RCWV 1.5 hours ON, 0.5 hours OFF, total 1000 ~ 1048 hours JIS-C-5202-7.2 Resistance to dry heat (0.5% + 0.05) 96hours @ +155C without load Low Temperature Operation (0.5% + 0.05) Bending Strength Solderability As Spec 95%min coverage JIS-C-5202-7.1 1hour, -65C followed by 45minutes of RCWV JIS-C-5202-6.1.4 Bending Amplitude 3mm for 10seconds MIL-STD-202F Method 208H 260C5C, 20.5 (sec) MIL-STD-202F Method 210E 2605C, 101 second
Resistance to Soldering Heat (0.5% + 0.05)
Note: Storage Temperature: 253C; Humidity: <80%RH
(CS) Marking for 0603 Marking 1R0 R10 R01 101 035 Value 1.000 0.100 0.010 0.101 0.035
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CS Current Detecting Chip Resistors
Except For CS12: High Power Rating Series Recommend Land Pattern
C
B
Codes CS01 CS02 CS03 CS05 CS06 CS13 CS10 CS12 CS25 CS37 CS75 A 0.25 0.50 0.80 1.00 2.00 2.00 3.60 4.90 2.00 1.00 1.00
A
B 0.30 0.50 1.00 1.00 1.15 1.15 1.40 1.60 2.00 1.80 1.80 C 0.400.2 0.600.2 0.900.2 1.350.2 1.700.2 2.500.2 2.500.2 3.100.2 6.400.2 3.900.2 7.600.2
For CS12 High Power Rating Series Recommend Land Pattern
Codes CS12 CS12
Resistance Range 10~99m 100~1000m
A 4.90 1.00
B 1.60 3.55
C 3.100.2 3.100.2
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CS Current Detecting Chip Resistors
W oC oA oB T
Packing Quantity & Reel Specifications
Type CS01 CS02 CS03 CS05 CS06 CS13 CS10 CS12 CS12(2W) CS25 CS37 CS75
A 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0 178.01.0
B 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0 60.01.0
C 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7 13.50.7
W 9.51.0 9.51.0 9.51.0 9.51.0 9.51.0 9.51.0 13.51.0 13.51.0 13.51.0 13.51.0 13.51.0 17.51.0
T 11.51.0 11.51.0 11.51.0 11.51.0 11.51.0 11.51.0 15.51.0 15.51.0 15.51.0 15.51.0 15.51.0 19.51.0
Paper Tape(EA) 10,000 10,000 5,000 5,000 5,000 5,000 -
Emboss Plastic Tape(EA) 4,000 4,000 2,000 2,000 2,000 2,000
Paper Tape Specifications Bottom Tape Top Tape D0 E B F W
T
Paper Tape
Type CS01 CS02 CS03 CS05 CS06 CS13 A 0.400.05 0.700.05 1.100.05 1.600.05 2.000.05 2.750.05 B 0.700.05 1.160.05 1.900.05 2.370.05 3.550.05 3.400.05
Resistor
W 8.000.10 8.000.10 8.000.10 8.000.10 8.000.10 8.000.10 E 1.750.05 1.750.05 1.750.05 1.750.05 1.750.05 1.750.05
A
F 3.50.05 3.500.05 3.500.05 3.500.05 3.500.05 3.50.05
P1
P2
P0
P0
P1
direction of unreeling
P2 2.000.05 2.000.05 2.000.05 2.000.05 2.000.05 2.000.05 D0 1.550.05 1.550.05 1.550.05 1.550.05 1.550.05 1.550.05 T 0.420.02 0.400.03 0.600.03 0.750.05 0.750.05 0.750.05
4.000.10 4.000.10 4.000.10 4.000.10 4.000.10 4.000.10
2.000.05 2.000.05 4.000.10 4.000.10 4.000.10 4.000.05
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How to Order
CS Current Detecting Chip Resistors
CS Part Number
12
J
TR
G
A
R100
N
Dimensions (LxW)
Code 01 02 03 05 06 13 10 12 25 37 75 Dimensions (LxW) 0.58x0.29 0201 1.00x0.50mm 0402 1.60x0.80mm 0603 2.00x1.25mm 0805 3.10x1.55mm 1206 3.00x2.50 1210 5.00x2.50mm 2010 6.30x3.10mm 2512 3.10x6.30mm 1225 3.75x2.00mm 3720 7.50x2.00mm 7520
Power Rating
Code S A T Q U V W Power Rating 2W 1.5W 1W 3/4W 1/2W 1/4W 1/8W
Resistance
Code R010 R100 1R00 Resistance 0.01 0.100 1.000
Resistance Tolerance
Code J G F Resistance Tolerance 5% 2% 1%
Marking
Code Resistance
Packaging
Code TR P Packaging Taping Reel Bulk TCR 100ppm/C 150ppm/C 200ppm/C 300ppm/C 400ppm/C 600ppm/C 1000ppm/C
N
Standard No Marking
TCR
Code E K F G H J R
Back to 1st Page - Surface Mount Current Detecting Resistors (CS)
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TCS Current Sense Chip Resistors
Thin Film Current Sense Chip Resistors
TCS Surface Mount Resistors Make Sense of Current
Preview The trend towards smaller handheld and portable electronics equipment has also increased the need for ultra small current sensing resistors. Devices from the Token Electronics' TCS series use a thin film construction that enables them to achieve precision resistance tolerances, low noise and long-term stability. The Token TCS Series precision resistors are nichrome thin film chip resistors with a temperature coefficient of resistance of just 50PPM/C and tolerances of 0.5%. They offer excellent stability at high frequencies and are suitable for operating high voltages with more options in the smaller form sizes of 0402, 0603, 0402, 0805, 1206, 2010, and 2512. The full range of values is from 50m to 1. This low ohmic devices are particularly suited to car engine management units to act as current sensing shunt resistors. The TCS series is fully RoHS compliant and is supplied in tape and reel packaging ready for use with automated assembly processes. Contact us with your specific needs. Features Thin Film Process. Resistance Values from 50m to 1. Very Tight Tolerance from 1% to 0.5%. RoHS Requirments with Pb-free Terminations. Extremely Low TCR from 200 PPM/C to 50PPM/C. High Purity Alumina Substrate for High Power Dissipation.
Applications Voltage Regulation Module (VRM), Portable Devices (PDA, Cell phone), Disk Driver, Switching Power Supply, Over Current Protection in Audio Application, DC-DC Converter, Battery Pack, Charger, Adaptor, Automotive Engine Control, Power Management Applications
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Dimensions (Unit: mm)
TCS Current Sense Chip Resistors
Marking W L
Sn Plating Ni Plating Thin Film Ni/cr Conductor Alumina Ceramic Substrate Overcoat Resistive Element
D1
D1 T
D2
D2
Type TCS02 TCS03 TCS05 TCS06 TCS10 TCS12
L 1.000.05 1.600.10 2.000.15 3.050.15 5.000.20 6.350.20
W 0.500.05 0.800.10 1.250.15 1.550.15 2.450.15 3.150.15
T 0.320.10 0.450.10 0.550.10 0.550.10 0.600.15 0.600.10
D1 0.250.10 0.300.20 0.300.20 0.500.30 0.600.30 0.600.30
D2 0.200.10 0.300.20 0.400.25 0.400.25 0.500.25 0.550.25
Standard Electrical Specifications Type TCS02 (0402) TCS03 (0603) TCS05 (0805) TCS06 (1206) TCS10 (2010) TCS12 (2512) Power Rating at 70C 1/16W 1/10W 1/8W 1/4W 3/4W 1W -55 ~ +155C Operating Temp. Range Resistance Tolerance 0.5% 1.0% 0.5% 1.0% 1.0% 0.5% 1.0% 0.5% 1.0% Resistance Range 500m~999m 200m~300m 301m~999m 50m~100m 101m~300m 301m~999m 50m~100m 101m~300m 301m~999m TCR (PPM/C) 100 50 100 50 200 100 50 200 100 50
Note: Token has the ability to manufacture following options based on customer's requirement.
High Power Rating Electrical Specifications Type TCS12 (2512) Power Rating at 70C 3W Operating Temp. Range -55 ~ +155C Resistance Tolerance 1.0% Resistance Range 100m~1 TCR (PPM/C) 100
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Power Derating Curve
100
TCS Current Sense Chip Resistors
Power Ration (%)
80 60 40 30 20 0
20
40
60 70 80 100
120 140
155
Ambient Temperature (C)
Environmental Characteristics Item Temperature Coefficient of Resistance Short Time Overload Specification As Spec 0.5% Test Method MIL-STD-202F Method 304 +25/-55/+25/+125/+25C JIS-C-5202-5.5 RCWV*2.5 or Max Overloading Voltage 5seconds MIL-STD-202F Method 301 Apply Max Overload Voltage for l minute MIL-STD-202F Method 302 Apply 100VDC for 1minute MIL-STD-202F Method 107G -55C~150C, 100cycles MIL-STD-202F Method 108A RCWV, 70C, 1.5 hours on , 0.5 hours off , Total 1000~1048 hours MIL-STD-202F Method 103B 40C, 90~95%RH, RCWV 1.5 hours ON, 0.5 hours OFF, total 1000 ~ 1048 hours JIS-C-5202-7.2 96hours @ +155C without load JIS-C-5202-7.1 1hour, -65C followed by 45minutes of RCWV JIS-C-5202-6.1.4 Bending Amplitude 3mm for 10seconds MIL-STD-202F Method 208H 245C5C, 20.5 (sec) MIL-STD-202F Method 210E 2605C, 101 second
Dielectric Withstand Voltage by Type Insulation Resistance Thermal Shock Load Life >1000M 0.5% 1%
Humidity (Steady State) Resistance to dry heat
0.5% 0.5%
Low Temperature Operation 0.5% Bending Strength Solderability As Spec 95%min coverage
Resistance to Soldering Heat 0.5%
Note: Storage Temperature: 253C; Humidity: <80%RH
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Marking for 0603 Marking 1R0 R10 R01 101 035
TCS Current Sense Chip Resistors
Value 1.000 0.100 0.010 0.101 0.035
Packaging Quantity & Reel Specifications W oC oA oB T Type TCS02 TCS03 TCS05 TCS06 TCS10 TCS12 A 1781 1781 1781 1781 1781 1781 B 60.0+0.5 60.0+0.5 60.0+0.5 60.0+0.5 60.20.5 60.20.5 C 13.00.20 13.00.20 13.00.20 13.00.20 13.00.50 13.00.50 W 9.000.50 9.000.50 9.000.50 9.000.50 13.21.50 13.21.50 T 12.00.15 12.00.15 12.00.15 12.00.15 16.00.20 16.00.20 Paper Tape 10,000 5,000 5,000 5,000 Emboss Plastic Tape 4,000 4,000 Emboss Plastic Tape Specifications Top Tape D0 E B F W Resistor Emboss Tape
Type TCS10 TCS12 A 2.850.10 3.400.10 B 5.450.10 6.650.10 W 12.00.10 12.00.10
t
A
E 1.750.10 1.750.10
P1
F 5.50.05 5.50.05
P2
P0
P0
D1=1.4min direction of unreeling
P1 4.000.10 4.000.10 P2 2.000.05 2.000.05 D0 1.50+0.10 1.50+0.10 T 1.000.20 1.000.20
4.000.05 4.000.05
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Paper Tape Specifications Bottom Tape Top Tape
TCS Current Sense Chip Resistors
D0 E B F W
T
Paper Tape
Type TCS02 TCS03 TCS05 TCS06 A 0.700.05 1.100.05 1.600.05 2.000.05 B 1.160.05 1.900.05 2.370.05 3.550.05
Resistor
W 8.000.10 8.000.10 8.000.10 8.000.10 E
A
F
P1
3.500.05 3.500.05 3.500.05 3.500.05
P2
P0 4.000.10 4.000.10 4.000.10 4.000.10
P0
direction of unreeling
P1 P2 2.000.05 2.000.05 2.000.05 2.000.05 D0 1.550.05 1.550.05 1.550.05 1.550.05 T 0.400.03 0.600.03 0.750.05 0.750.05
1.750.05 1.750.05 1.750.05 1.750.05
2.000.10 4.000.10 4.000.10 4.000.10
How to Order
TCS
02
D
TR
E TCR
Code D E F
1R00
TCR 50PPM/C 100PPM/C 200PPM/C Power Rating 2W 1.5W 1W 3/4W 1/2W 1/4W 1/8W Resistance 0.010 0.100 1.000 Standard Marking Standard No Marking
N
Part Number Dimensions (LxW)
Code 01 02 03 05 06 13 10 12 25 37 75 Code J g F Dimensions (LxW) 0.58x0.29mm 0201 1.00x0.50mm 0402 1.60x0.80mm 0603 2.00x1.25mm 0805 3.10x1.55mm 3.00x2.50mm 5.00x2.50mm 6.30x3.10mm 3.10x6.30mm 3.75x2.00mm 7.50x2.00mm 1206 1210 2010 2512 1225 3720 7520
Power Rating
Code S A T Q U V W
Resistance Tolerance
Resistance Tolerance 5% 2% 1% Packaging Taping Reel Bulk
Resistance
Code R010 R100 1R00
Packaging
Code TR P
Marking
Code N
Back to 1st Page - Chip Current Sense Resistors (TCS)
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LRA Low Ohmic Open Air Resistors
Low Ohmic Open Air Resistors
Low Ohmic Open Air (LRA) Resistors Feature Longer Thermal Path
Preview Token's current sense LRA open air resistors are expected to gain wide acceptance in the worldwide market as a result of increased thermal management capabilities. The LRA Series is designed for applications requiring the transfer of heat away from circuits and solder joints. Available in 0.5W, 1W, and 1.5W rating, the resistor is being specified for current sensing, feedback, current detective, supper low inductance, as well as surge and pulse applications. The hot spot on the LRA resistor is approximately 0.2 degrees higher than on a typical metal strip chip resistor. This results in an increased thermal path for the LRA, reducing heat transfer into the solder joints and circuits. The flameproof LRA Series resistors are constructed of a wire resistive element with welded copper leads to prevent solder wicking, which can change the device's resistance value in the circuit by as much as 30%. Because of this, the device is ideal for thermally harsh environments, including automotive and aerospace applications, as well as enclosed, poorly ventilated circuits in applications such as laptop computers. The LRA Open Air Series feature a reduced pitch, or spacing between the leads on the circuit board (with a corresponding increase in the board mounted profile), when compared to the standard Token LRB Series devices. The LRA resistors are rated for 1W or 1.5W at 70C, with resistance values from 0.1 to 0.003 and tolerances down to 1%. Operating temperature range is -50C to 300C. The LRA Series is available in bulk packaging in 200 increments. Token will also produce devices outside these specifications to meet customer requirements. A lead-free RoHScompliant version is available, as is a non-inductive version for high frequency applications. Contact us with your specific needs. Features - Radial leads. - Non-inductance. - Solderable Copper Leads. - Lead (Pb)-free and RoHS compliant. - 1%, 3%, 5%, 10% standard tolerance. - High stability bare metal element open air style. Applications - High power AC/DC detection. - Automotive, Feedback System. - Residual Battery Power Detection. - Inverter and Switching Power Supplies - CPU Drive Control, Power Tool Motor controls. - Power Supply Shunt, Current Detective, and Current Sensing.
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Dimensions (Unit: mm)
LRA Low Ohmic Open Air Resistors
Marking
+0.5
3 -1.5
RM 0.8
3.5+1
M M
Hmax
Measuring Point
0
10 RM 10 15 14.51.0 14.51.0 20
Type LRA350-009 LRA351-009 LRA352-009 LRA351-010 LRA352-010 LRA352-010 LRA352-010 LRA352-011
H max. 6.5 10.5 17.0 8.0 14.5 16.11.0 17.11.0 12.0
Construction: 1. The resistive elements consist of a flat metal-band. 2. Spot welded Cu-terminals ensure high stability of contacts. 3. Thus, this construction results in a non inductive of both high stability and overload capacity.
Packing Specification Type LRA350-009 LRA351-009 LRA351-010 LRA352-010 LRA352-011 Packaging Bulk Bulk Bulk Pieces 200pcs 200pcs 200pcs Pack.-Code Bulk Bulk Bulk
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Type Power rating P70 Resistance range E-series Tolerances Temperature coefficient Max. Cont. working voltage Insulation voltage (1min.) Insulation resistance Derating, linear Climatic category Temperature range Thermal resistance Failure rate (Total ,
LRA Low Ohmic Open Air Resistors
352-009 352-010 352-011 1.5 R006~R10
Characteristic Specification LRA W % PPM VRMS VRMS C C KW-1 max, 60% conf. lev.) 10-9 * h-1 [ [ [ [ N [ s ]% ]% ]% ]% ]% 350-009 0.5 R003~R051 351-009 351-010 1.0 R004~R068 E24R010 1, 3, 5, 10 +200~+1200 For all styles Non insulated 70~300(0W) 55/200/56 -50~300 100 Ca.10, Depends on value 3.0 0.5 0.5 0.5 30 0.2 typ. 2.5 Flow time, solder globule test IEC 60068-2-20-T Value imprinted
Non insulated
200
70
Endurance (P70, 70,1000h) Damp heat ,steady state(40C,93% r.h.,56d) Climatic sequence Terminal strength Terminal tensile strengths Resistance to soldering heat ( 260C,10s ) Solder ability Making
How to Order
LRA351-009 Part Number Resistance Value ()
Code R020 R022 R024 R100
R024
J
Bulk Tolerance
Code F G J K Tolerance 1% 2% 5% 10%
Resistance Value 0.020 0.022 0.024 0.100
Pack. -Code
Code p Bulk
Back to 1st Page - Low Ohmic Open Air Resistors (LRA)
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LRB Open Air Low Resistance Resistors
Open Air Low Resistance Resistors
Token's Low Resistance, Low Inductance, Open-Air Resistor is Alternative Shunts (LRB)
Preview Developed for current sensing and shunt applications, Token's LRB series of bare element resistors have a precision alloys (Ni-Cu) element welded construction. Built-in stand-offs and standard spacings make for easy mounting. The bare metal element design allows for maximum cooling via airflow, forcing less heat into the PCB. The flameproof construction offers values down to 2m with low inductance. Customer can specify resistance range designed to satisfy challenging and specific technical requirements. These factors make the LRB Series an outstanding choice for all types of high current power supplies and power applications requiring a robust part that is impervious to most environmental stresses. The device is ideal for current limited, Current balance, and sampling sense in power supplier. It takes on the capability of high overload, and the function easily welding and non inductance as well. The LRB Series is available in bulk packaging and is RoHS compliant and lead free. For non-standard technical requirements and special applications, please contact us with your specific needs. Features - Low inductance. - High stability open-air style. - Precision alloys resistive element. - Lead (Pb)-free and RoHS compliant. - Standard tolerance 3%, 5%, 10%. - Radial leads, low resistance value 2 m ~ 50 m. Applications - CPU Drive Control. - Power Tool Motor controls. - Automotive, Feedback System. - Inverter and Switching Power Supplies. - Power Supply Shunt, Current Detective. - Residual Battery Power Detection, and Current Sensing.
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LRB Open Air Low Resistance Resistors
Dimensions (Unit: mm)
H Max.
H Ma x.
RM (mm) 5 ~ 50
H Max. (mm) 20
B Max. (mm) 1
L1
L
B Max.
L
L1
B Max.
O (mm) 5 ~ 29
L1 (mm) 30.5
Specification Type LRB-05 LRB-06 LRB-07 LRB-08 LRB-09 LRB-10 LRB-11 LRB-12 LRB-13 LRB-14 LRB-15 LRB-16 LRB-18 LRB-20 LRB-23 LRB-25 LRB-29 Diameter O (mm) 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.8 2.0 2.3 2.5 2.9 Rated Current (A) 2.5 3.0 4.0 4.5 5.0 5.5 6.0 7.0 7.5 8.0 9.0 9.5 11 12 14 17 21 Resistance Range (m) 20~50 20~50 20~50 20~50 10~50 10~30 5~20 5~20 5~20 5~20 5~20 5~15 3~10 2~8 2~8 2~5 2~5 Tolerance (%) Temperature Coefficient (ppm/C) Temperature Range (C)
3%(H) 5%(J) 10%(K)
50 ~ 100
-55 ~ +85
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How to Order
LRB Open Air Low Resistance Resistors
LRB Part Number: LRB Diameter O
Code 05 06 07 08 09 10 11 12 13 14 15 16 17 18 20 23 25 29
08
05
R005
K
P
Resistance Value ()
Diameter O 0.5 mm 0.6 mm 0.7 mm 0.8 mm 0.9 mm 1.0 mm 1.1 mm 1.2 mm 1.3 mm 1.4 mm 1.5 mm 1.6 mm 1.7 mm 1.8 mm 2.0 mm 2.3 mm 2.5 mm 2.9 mm Code 05 10 15 Resistance Value () 0.5 mm 10 mm 15 mm
Tolerance %
Code H J K Tolerance % 3% 5% 10%
Package-Code
Code P Package-Code
Bulk
Leads Pitch RM (mm)
Code 05 10 15 20 25 30 35 40 45 50 Leads Pitch RM (mm) 0.5 mm 10 mm 15 mm 20 mm 25 mm 30 mm 35 mm 40 mm 45 mm 50 mm
Back to 1st Page - Open Air Low Resistance Resistors (LRB)
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OAR Open Air Current Sense Resistors
Open Air Current Sense Resistor
Token's "tight pitch" version of its open air metal element current sense resistor (OAR) need less PCB space.
Preview In response to requests from power electronics design engineers with the means to squeeze more current-sensing capability into crowded power supply designs, Token Electronics has developed a "tight pitch" version of its open air metal element current sensing resistor with ratings as high as 5W in a reduced PC board footprint and longer thermal path. Designated the OAR Series, these open-air through-hole devices offer a high current, flameproof alternative to conventional axial devices and flat chips for current-sense circuits where PC board space is at a premium. The resistor's footprint is reduced by extending the height of the device above the board, thus keeping the resistor element's "hot spot" safely off the PC board and providing for increased air circulation under it, which in turn provides increased heat dissipation and cooler operation. The OAR devices with increased height improve cooling efficiency, and because many power supply designs are already tightly-packed at the PC board level, the additional height does not create any profile issues. The OAR series resistors feature a reduced pitch, or spacing between the leads on the circuit board with a corresponding increase in the board mounted profile. The OAR Series resistors are power rated for 1W, 2W, 3W, or 5W at 85C, with resistance values from 0.05 to 0.005, with tolerances down to 1%. They feature TCRs as low as 50ppm/C and inductance values in the single-digit nanohenry range (10 nH Max.). Operating temperature range is -40C to +125C. The flameproof OAR resistors are constructed of a wire resistive element with welded copper leads to prevent solder wicking, which can change the device's resistance value in the circuit by as much as 30%. The OAR Series is available in bulk packaging and is RoHS compliant and lead free. For non-standard technical requirements and special applications,please contact us with your specific needs. Features - High stability open-air style. - Precision alloys resistive element. - Lead (Pb)-free and RoHS compliant. - Standard tolerance 1%, 2%, 5%. - Low inductance. Solderable copper leads (60/40). - Radial leads, low resistance value 0.05 ~ 0.005. Applications - CPU Drive Control. - Power Tool Motor controls. - Automotive, Feedback System. - Inverter and Switching Power Supplies. - Power Supply Shunt, Current Detective. - Residual Battery Power Detection, and Current Sensing.
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Dimensions (Unit: mm)
OAR Open Air Current Sense Resistors
On lo wer ranges stand-off may be eliminated NO TE : Contact f actor y f o : r 1. Va riations of Adimension. 2. Diff erent lead diameter .
E F
B C
A
Te st Po int (K elvin connection)
Type OAR-1 OAR-2 OAR-3 OAR-5
A1 10 15 20 20
Dimensions (Unit: mm) B3 C0.8 E0.3 10 3.5 1.6 15 3.5 1.6 20 3.5 1.6 20 3.5 1.6
F0.1 1.0 1.0 1.0 1.0
Specification Type OAR-1 OAR-2 OAR-3 OAR-5 Power Rating @ 85C (W) 1 2 3 5 Resistance Range (m) R005~R05 R005~R05 R005~R05 R005~R01 Tolerance (%) 1% 2% 5% Temperature Coefficient TCR (ppm/C) 50 Inductance (nH)
10 Max.
Characteristic Specification Test Items Load Life Moisture Test Temperature Cycling Operating Temperature Test Method 1000 hours @ 25C no load for 1000 hours -40C to +125C for 1000 cycles Specification R/R < 1% R/R < 1% R/R < 1% -40C to +125C
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How to Order
OAR Open Air Current Sense Resistors
1 R01 J P
OAR Part Number: OAR Rated power
Code 1 2 3 5 Rated power 1w 2w 3w 5w
Tolerance %
Code F Resistance Value ()
G J Package-Code
Code
1% 2% 5%
Resistance Value ()
Code R005 R01 R05 Resistance Value () 0.005 0.01 0.05
Resistance Value ()
P
Bulk
Back to 1st Page - Open-Air Current Sensing Resistors (OAR)
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FL Current Shunt Resistors
Current Shunt Resistors
Token's Shunt Resistors (FL) for high-current applications aid precision measurement.
Preview Current shunt resistors are low resistance precision resistors used to measure AC or DC electrical currents by the voltage drop those currents create across the resistance. Sometimes called an ammeter shunt, it is a type of current sensor. A wide range of precision shunts, designed for use with kilowatt-hour meters and other high-current applications where a high level of accuracy is required, is now available from Token Electronics. The interchangeable shunts (FL) are used to multiply the measuring range of measuring instruments and designed for PCB and busbar mounting, are manufactured from electron beam welded copper and manganin, and have low temperature coefficients. Featuring low inductance values, shunts FL series can handle permanent currents of up to 10000A at voltage 75 mV. FLQ-54 type shunt is made of precision alloy board. It's copper terminals spot welded by silver alloy ensure extremely high electric capability. The construction provides a kind of excellent stability and high overloaded ability non-inductive resistor, applied widely as current limited, current balance or sampling sense in communication system, electric equipment and auto-controlling electrical circuit. The FL Series is available in bulk packaging and is RoHS compliant and lead free. For non-standard technical requirements and special applications, please contact us with your specific needs. Power Rating : Watts (W) = Current (I2) x Resistance Value (R) - The heat produced is power measured in Watts (W). - In practice current shunts are often rated to be used continuously at only 2/3 of their "rated current". - Because current shunts are resistors and dissipate heat from the current flowing through them, they get hot. - Since that heat can change their resistance and even permanently damage the shunt, current shunts are often given a power rating or a derating factor. Calculate Current : Current (I) = Voltage (V) / Resistance Value (R) - Then knowing the resistance of the current shunt you can calculate the current using Ohm's law. - By inserting a current shunt into a circuit whose current you want to measure your can find the current by measuring the voltage drop across the shunt. Version 2010
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FL-2 (5A-100A, Unit: mm)
FL Current Shunt Resistors
d1 d
s
S H
d2
d
2-5
b
d1 c a
b
c
a
5A ~ 50A
Rating Current (A) 5 10 15 20 30 50 75 100 Dimensions (Unit: mm) a 120 120 120 120 120 120 104 104 c 100 100 100 100 100 100 85 85 b 20 20 20 20 20 20 22 22 c1 c2 H 15 15 15 15 15 15 22 22 S 5 5 5 5 5 5 10 10 d 30 30 30 30 30 30 40 40 d1 42 42 42 42 42 42 53 53
75A ~ 100A
d2 60 60 60 60 60 60 High Current Bolt (mm)-PC (Option) M5x6-2 M5x6-2 M5x6-2 M5x6-2 M5x6-2 M5x6-2 M8x35-2 M8x35-2 Shunt Voltage Bolt (mm)-PC (Option)
M5x6-2
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FL-2 Dimensions (150A-1000A, Unit: mm)
FL Current Shunt Resistors
d1 c H S
d1 c H S
d2
d2
b
c a
c1
b
150A ~ 600A
c a
750A ~ 1000A
Rating Current (A) 150 200 250 300 400 500 600 750 1000 Dimensions (Unit: mm) a 116 116 126 126 126 126 126 126 126 c 85 85 100 100 100 100 100 100 100 b 22 22 26 26 38 45 62 76 95 c1 c2 H 22 22 22 22 22 22 22 22 22 S 6 6 6 6 6 6 6 6 6 d 30 30 40 40 40 40 40 40 40 d1 39 39 49 49 49 49 49 49 49 d2 54 54 64 64 64 64 64 64 64 High Current Bolt (mm)-PC (Option) M8x35-2 M8x35-2 M10x35-2 M10x35-2 M10x35-2 M10x35-2 M10x35-2 M10x35-4 M10x35-4 Shunt Voltage Bolt (mm)-PC (Option)
M5x6-2
50 50
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FL-2 Dimensions (1500A-10000A, Unit: mm)
d1 d
FL Current Shunt Resistors
H
S
d2
c1 b c1
c1 c2 c1 b
c a
c a
1500A ~ 3000A
Rating Current (A) 1500 2000 2500 3000 4000 5000 6000 7500 10000 Dimensions (Unit: mm) a 190 190 190 190 190 284 284 290 290 c 160 160 160 160 160 220 220 220 220 b 95 95 110 145 195 195 210 320 400 c1 50 50 50 2-50 2-50 2-50 2-50 3-50 3-50 c2 H 22 22 100 100 100 150 150 150 150 S 6 6 13 13 13 18 18 18 18 d 40 40 40 40 40 40 40 40 40
4000A ~ 10000A
High Current Bolt (mm)-PC (Option) M12x60-4 M12x60-4 M12x60-4 M12x60-6 M16x80-8 M16x80-8 M16x80-8 M16x80-12 M16x80-12 Shunt Voltage Bolt (mm)-PC (Option)
55 55 80 2-60 2-90
d1 52 52 52 52 52 52 52 52 52
d2 64 64 84 84 84 88 88 88 88
M5x6-2
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FL-13 Dimensions (30A-75A, Unit: mm)
FL Current Shunt Resistors
2-5 H C B
10
30A ~ 75A
Voltage (mV) 75mV 75mV 75mV Rating Current (A) 30A 50A 75A Dimensions (Unit: mm) L B 100 20 130 14 130 14
L
H 21 30 30
Mounting size (mm) C Bolt 85 M5 85 M8 85 M8
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FL-13-A Dimensions (100A-1000A, Unit: mm)
FL Current Shunt Resistors
H max.
L1
L1 1.4
3 1.5 7.7
L B
L
5.8 B
FLQ54-C
FLQ54-A FLQ54-B
Type FLQ54-A FLQ54-B FLQ54-C
H max. 37 60 32
Dimensions (Unit: mm) B L 18 3 30 5 15 3
L1 3 5 3
Style of terminal 6 6 2
FLQ54 Technical Specifications (30A-100A) Type FLQ54-A FLQ54-A FLQ54-A FLQ54-B FLQ54-B FLQ54-B FLQ54-C FLQ54-C Rated Current (A) 30 50 60 60 75 100 30 60 Rated Voltage Nominal Resis- Accuracy Temperature Drop (mV) tance (m) Class Range (C) 50 50 50 50 50 50 45 45 1.6667 1.0000 0.8333 0.8333 0.6667 0.5000 1.5000 0.7500 Temperature Coefficient (ppm/C)
0.5
-55 ~ +85
25 ppm/C
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Test Items Voltage Drop Accuracy Class Over Rating Capacity Ambient Conditions Giving Out Heat When Loaded Capacity to Withstand Mechanical Force
FL Current Shunt Resistors
Specification 50mV, 60mV, 75mV, 100mV. 0.5 for 5~40000A; 1 for 5000~6000A 120% of rated current for 2 hours. Temperature: -40~+60C; relative humidity:95% 35C Not be more than 80C after temperature rise gets steady; not be more than 80C at rated current of over 50A. It is capable of withstanding the transport bumping at acceleration of 70m/S2 and shock frequency of 80-20 times/min for 5 hours.
Current Sunts (FL-2, FL-13, FL-13-A) Characteristic Specification
How to Order
FL-2
5
P
Part Number: FL-2, FL-13, FL-13-A, FLQ54-A, FLQ54-B, FLQ54-C Rating Current (A)
Code 5 10 200 750 Rating Current (A) 5A 10A 200A 750A
Package-Code
Code Package-Code
P
Bulk
Back to 1st Page - Current Shunt Resistors (FL)
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TOKEN
LSQ Open Air Current Sense Resistors
Kelvin Four Terminal Resistors
Token (LSQ) Family Four Terminal Resistors handle high-wattage applications
Preview Providing ultralow resistance values (to 0.01 ohm) for relatively high current requirements, new four-terminal cement filling resistors from Token combine the advantages of a Kelvin configuration with PC board mounting capability. The Kelvin (or four-terminal) configuration enables current to be applied through two opposite terminals and a sensing voltage to be measured across the other two terminals, eliminating the resistance and temperature coefficient of the terminals for a more accurate current measurement. The four terminal resistors are a new version of Token's (LSQ) Current Sense Family Series which was specially designed for use in a Kelvin configuration where a current is applied through two opposing leads and sensing voltage is measured across the other two leads. Token LSQ series is specifically designed for low resistance applications requiring the highest accuracy and temperature stability. The advantages of Kelvin configuration enable the resistance and temperature coefficient of the leads to be effectively eliminated. The need to connect to the leads at precise test points is eliminated, allowing for tighter tolerance on the end application. Also results in a lower temperature coefficient of resistance and lower self-heating drift which may be experienced on two-terminal resistors. Token will also produce low ohm resistor LSQ series outside these specifications to meet customer requirements. Contact us with your specific needs. Features - Welded & fireproof construction. - Superior anti-surge capability & Low TCR. - Thermal conductivity and moisture resistance. - Special inorganic potting construction provides high moisture resistance and thermal conductivity. - 4 leads for Kelvin connection with extremely low resistance values. Applications - Automatic Test Equipment. - Current Sensing Application. - High Precision Instrumentation. - Industrial, Medical and Military. - Measurement Instrumentation.
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LSQ Open Air Current Sense Resistors
(LSQ-A) Specification & Dimensions (Unit: mm)
LSQ-A
L
W H
P
d
Type LSQ-A-3 LSQ-A-5 LSQ-A-7 LSQ-A-10 LSQ-A-15
Power (Watts) 3 5 7 10 15
Resistance Range () R01~R1 R01~R1 R01~R1 R01~R1 R01~R1
L 221.0 221.5 352.0 482.0 482.0
Dimensions (Unit: mm) W1 H1 8 8 9.5 9.5 9.5 9.5 9.5 9.5 12.5 12.5
P1 14 14 25 36 36
d0.5 0.8 0.8 0.8 0.8 0.8
(LSQ-B) Specification & Dimensions (Unit: mm)
LSQ-B
L
W H
P1 P
d
Type LSQ-B-5
Power (Watts) 5
Resistance Range () R01~R1
L2 26
W1 5
Dimensions (Unit: mm) H1 P1 10 20
P11 12
d0.5 0.8
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LSQ Open Air Current Sense Resistors
LSQ-C
(LSQ-C) Specification & Dimensions (Unit: mm)
L H
W
d P
Type LSQ-C-10 Power (Watts) 10 Resistance Dimensions (Unit: mm) Range () L2 W1 H1 R01~R1 18 10.5 20
P1
P1 12
P11 5
d0.5 1.0
Power Derating Curve
Power Derating Curve
120
R at ed L oa d ( %)
100 80 60 40 20 0 -55 -25 25 40 75 125 175 225 275
Ambient Temperature ()
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LSQ Open Air Current Sense Resistors
KELVIN ELECTRICAL CONNECTION
Characteristic Specification
1
R
4
2
3
TERMINALS 2 & 3 CURRENT TRACES. TERMINALS 1 & 4 SENSE TRACES.
Test Items Resistance Tolerances Temperature Coefficients Operating Temperature Range Maximum Working Voltage Terminal Tensile Strength Withstand Voltage Short Time Overload Thermal Shock Load Life
Specification D(0.5%), F(1%), G(2%), J(5%) 100 ppm/C -55C~275C (P40C x R)1/2 50N, 10s R1.0%R 1000V, 1 Min. No damage on the appearance. 5 times rated power, 5s R4.0%R -55C~+275C, 5 cycles, 30 min. R5.0%R 40C, 1000h 1.5 hours on, 0.5 hours off. R5.0%R
Test Method
How to Order
LSQ-A Rated power
Code 3 5 7 10 15
15
R01
J
P
Part Number: LSQ-A, LSQ-B, LSQ-C Tolerance %
Rated power 3 Watt 5 Watt 7 Watt 10 Watt 15 Watt Code Tolerance %
J Package-Code
Code
5%
Package-Code
P
Bulk
Resistance Value ()
Code R01 Resistance Value ()
R05 R1
0.01 0.05 0.1 Back to 1st Page - Kelvin Four Terminal Resistors (LSQ)
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LRD Open Air Four-terminal Resistors
Open Air Four-terminal Resistors
Token's Open Air Four-terminal resistors (LRD) tackle current sensing applications
Preview Always preferred in current sense applications, Token's LRD Series range is available in the 1W, 3W, 5W, 7W and 10W packages, resistance values down to 0.001 ohm, with tolerances as tight as 0.50% and TCRs of 50ppm standard. The Kelvin (four-terminal) configuration enables current to be applied through two opposite terminals and a sensing voltage to be measured across the other two terminals, eliminating the resistance and temperature coefficient of the terminals for a more accurate current measurement. With up to 10W power rating and TCRs as low as 50ppm/C, the LRD Series resistors deliver excellent performance, making them ideal for a variety of applications. The resistor is constructed using a low-resistance, low-inductance, high-impulse proprietary metal element that gives the device its extended power and temperature ratings. Continually upgrading its resistors to take advantage of modern technologies and manufacturing methods, Token is now able to offer complete ranges of products which meet the RoHS requirements and in addition to detailing these, the component selector also provides designers with a comprehensive selection of application notes. The LRD devices can be manufactured to custom length/width for use as a current shunt. Token will also produce outside these specifications to meet customer requirements. Contact us with your specific needs. Features - Low inductance. - 4 leads for Kelvin connection. - Decimal marked, silicone coated. - Tinned copper terminal for easy soldering. - Radial, self-supporting, design is ideal for PC board mounting. Applications - Surge/Pulse Applications. - Current Sensing Application. - Feed Back & Motor Control. - High Precision Measurement Instrumentation.
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LRD Open Air Four-terminal Resistors
Specification & Dimensions (Unit: mm)
LSQ-A
L
W H
P
d
Type LRD-1 LRD-3 LRD-5 LRD-7 LRD-10
Rating Wattage 1W 3W 5W 7W 10W
Resistance Range (m) 1 ~ 10 m 1 ~ 10 m 0.5 ~ 5 m 0.3 ~ 3 m 0.1 ~ 1 m
Tolerance (%) D(0.5%) F(1%) G(2%) J(5%)s
TCR (ppm/C) 50 ppm/C 100 ppm/C
Power Derating Curve
Power Derating Curve
120
Rated Load (%)
100 80 60 40 20 0 -55 -25 25 40 70 125 175
Ambient Temperature ()
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TOKEN
LRD Open Air Four-terminal Resistors
KELVIN ELECTRICAL CONNECTION
Characteristic Specification
1
R
4
2
3
TERMINALS 2 & 3 CURRENT TRACES. TERMINALS 1 & 4 SENSE TRACES.
Test Items Operating Temperature Range Maximum Working Voltage Terminal Tensile Strength Withstand Voltage Short Time Overload Thermal Shock Load Life
Test Method
Specification -55C ~ 125C (P40C x R)1/2 50N, 10s R1.0%R 1000V, 1 Min. No damage on the appearance. 5 times rated power, 5s R4.0%R -55C~+125C, 5 cycles, 30 min. R5.0%R 70C, 1000h 1.5 hours on, 0.5 hours off. R5.0%R
How to Order
LRD Part Number: LRD Rated power
Code 1 3 5 7 10
5
R005
F
P
Tolerance %
Rated power 1 Watt 3 Watt 5 Watt 7 Watt 10 Watt Code Tolerance %
D F G J Package-Code
Code
0.5% 1% 2% 5%
Resistance Value ()
Code R005 Resistance Value ()
Package-Code
R05 R1
0.005 0.05 0.1
P
Bulk
Back to 1st Page - Open Air Four-terminal Resistors (LRD)
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LPS Low Ohm Current Sensing Resistors
Low Ohm Current Sensing Resistors
Token (LPS) Family Offers A Variety of Possibilities for Shunt-Resistors
Preview Token's current sense LPS family for shunt-resistors is expected to gain wide acceptance in the worldwide market as a result of offering a variety of possibilities. The U-shaped semi-customized LPS family for direct board mounting is specified for current sensing, feedback, current detective, supper low inductance, as well as surge and pulse applications. LPS family Available in very low ohm (0.002 ~ 0.05) and high power (1W ~ 5W). The dimensions of the semi-customized final unit is designed in accordance with the applicational requirements of resistance value and required power rating. Token's LPS series can be manufactured with 2 or 4 soldertags (terminals). The LPS type B with 2 soldertags (1 pin on each side) is a standard part of LPS series and type A with 4 terminals (2 pin on each side) is used either for Kelvin connections or for high current applications. Depending from the alloy material's thickness, one terminal contact on each side can carry up to 50A (A (Current) = (W (Power)/ (Resistance))1/2), so a 4-terminal part can carry 100A (ask Token factory). Operating temperature range is -50C to 300C with tolerances 2%, 5%, and 10%. Token will also produce low ohm resistor LPS series outside these specifications to meet customer requirements. Contact us with your specific needs. Features - Radial leads. - Non-inductance. - Solderable Copper Leads. - Lead (Pb)-free and RoHS compliant. - 2%, 5%, 10% standard tolerance. - High stability bare metal element open air style. Applications - High power AC/DC detection. - Automotive, Feedback System. - Residual Battery Power Detection. - Inverter and Switching Power Supplies - CPU Drive Control, Power Tool Motor controls. - Power Supply Shunt, Current Detective, and Current Sensing.
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LPS Low Ohm Current Sensing Resistors
Dimensions (Unit: mm)
Type LPS359-008 LPS359-009 LPS359-010 LPS359-011
Power (Watts) 1 2 3 5
Resistance Range () R005~R05 R005~R02 R003~R01 R002~R005
RM (mm) 5 ~ 30
H (mm) Max. 20.0
Construction: 1. W, T and H depend on material, resistance value and required power rating. 2. RM: 5~30 mm, preferably in 5 mm-steps. Special varieties on request. 3. M: Measuring point.
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LPS Low Ohm Current Sensing Resistors
Specification R002~R05 2%, 5%, 10% Upon request Non insulated Non insulated 70~300C(0W) 55/155/21 -50~300C R2%R R2%R R0.5%R None None R0.5%R typ. Good tinning ( 90 % covered), no visible damage
Characteristic Specification Test Items Resistance range Tolerances Temperature coefficient Insulation voltage Insulation resistance Derating, linear Climatic category Temperature range Endurance (P70, 70C, 1000 Hrs.) Damp heat, steady state (40C, 93% r.h., 56d) Climatic sequence Terminal strength Terminal tensile strength Resistance to soldering heat (350C, 3.5s) Solderability (Solder bath method 2355C, 20.5s)
How to Order
LPS359-008
B
3
R024
J
P
Part Number: LPS359-008, LPS359-009, LPS359-010, LPS359-011 Terminal Type
Code A Resistance Value ()
Tolerance %
Code Tolerance %
B Rated power
Code 1 2 3 5 Code
4 Terminals 2 Terminals
Rated power 1 Watt 2 Watt 3 Watt 5 Watt Resistance Value ()
G J K Package-Code
Code
2% 5% 10%
Package-Code
P
Bulk
Resistance Value () R002 R010 R022 R050
Version 2010
0.002 0.010 0.022 0.050 Back to 1st Page - Low Ohm Current Sensing Resistors (LPS)
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BWL Low Resistive Power Resistors
Low Resistance Power Resistors
Lowest Ohmic Value Resistor (BWL) Minimise Power Consumption
Preview In response to demand for more energy efficient products, Token Electronics has expanded its current sensing resistors offering with the launch of the BWL series, its lowest ohmic value resistor, to minimise power consumption. The BWL series has been designed for current sensing in power electronic systems and the resistors are available in 0.5W to 10W power ratings, with a wide ohmic range starting from as low as 0.005. Products in the economical, low-inductance BWL series are axial leads with high temperature mold compound, making them well-suited to the industry trend and are ideal for all types of current sensing applications including switching and linear power supplies, instruments and power amplifiers In addition, the BWL series utilizes metal strip technology, essential for those involved in constructing devices and circuits for the detection of currents. Token's BWL standard series is lead-free and RoHS compliant and can be a replacement for Vishay, IRC, KAO, Panasonic current sense devices with more competitive price and short lead time. Contact us with your specific needs. Material - Terminals: Tinned copper. - Element: Self-supporting nickel-chrome alloy. - BWL metal strip technology utilizes manganin. - Encapsulation: High temperature mold compound. Features - Low inductance. - Excellent load life stability. - Low temperature coefficient. - Cooler operation for high power to size ratio. - Proprietary processing technique produces extremely low resistance values. Applications - Switching and linear power supplies. - Notebook power management. - Power amplifiers. - Instruments.
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-55
BWL Low Resistive Power Resistors
Technical Specifcations & Dimensions
Power Derating Curve Rated Power %
100 80 58.5 40 20 0 85
A B
303
F (check point)
Ambient Temp. C
d
-80 -60 -40 -20 0 20 40 60 80 100 120 140 160 175 200
Type BWL-0.5 BWL-1 BWL-3 BWL-4 BWL-5 BWL-10
Rated Watts at 25C (W) 0.5 1.0 3.0 4.0 5.0 10.0
Resistance Range () Min Max 0.01 1 0.005 2 0.005 2 0.005 5 0.005 1 0.01 1
Tolerance
Dimensions (mm) A0.25 7.0 11.0 15.0 18.0 24.0 46.5 B0.25 3.0 3.0 5.2 6.5 8.4 10.0 d 0.8 0.8 0.8 0.8 1.0 1.0 F 27.0 31.0 34.0 38.0 44.0 66.0
1% 2% 5%
Electrical Performance Test Items Operating Temp. Range Insulation Resistance Dielectric Withstanding Voltage Load Life Moisture-Proof Load Life Resistance to soldering heat Solderability How to Order Test Conditions 500V 500V AC 1 Min. 70C on~off cycle 1000 Hrs. 40C 95% RH on~off cycle 21 Hrs. 350C, 3.5s 2355C, 5s(solder bath method) Specifications -55C ~ 175C >1G R 0.1%R R 1%R R 0.2%R R 0.1%R IEC68-2-20(1968)
BWL Part Number Power Rating (W) Resistance
Code R01 R1 1R
1W
R01
F
Code F G J
P
Resistance Tolerance 1% 2% 5%
Resistance Tolerance
Resistance 0.01 0.1 1
Packaging: P (Bulk)
Back to 1st Page - Power Low Resistance Resistors (BWR)
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NE Metal Film Precision Resistors
Metal Film Extra Low Ohmic Precision Resistors
Token Advanced Film NE Spell High Precision
Preview A homogenous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper are welded to the end-caps. The resistors are moulding which provides electrical, mechanical, and climatic protection. Token has complete capability to develop specific reliability programs designed to customer requirements. Products equate Vishay, Ohmite, Caddock, IRC, EBG, Panasonic Precision Devices with more competitive price and fast delivery. Full line products meet RoHS compliant. Detailed specifications, both mechanical and electrical, please contact our sales representative for more information. MIL-PRF-55182 : The NE series meets the electrical, environmental and dimensional requirements of MIL-PRF-55182. Referencing to Chinese National Quality Standard GJB244A-2001. POWER RATING Power ratings are based on the following two conditions, - 2.0 % maximum R in 10 000 h load life. - + 175 C maximum operating temperature. Applications Telecom Test and measurement Space and aircraft electronics Industrial process control systems Measuring and calibration equipment
Features - Metal film moulding type - Industrial grades, RoHS Compliant. - Excellent stability and High reliability. - Caps range of ultra low resistance 0.05 ~ 10. - Extreme precision tolerance tight to A5(0.05%). - Extensive stocking program at distributors and factory. - Controlled temperature coefficient and narrowed to C7 (5PPM/C). - Token NE Series meets MIL-PRF-55182 and GJB244A-2001 quality standards.
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L
NE Metal Film Precision Resistors
(Rated power)%
Dimensions & Technical Characteristics
100
D
50 0 70 175 (C) -55 Precision Resistor (NE) Power Derating Curve
A
Metal Film (NE) Dimensions
Type Rated Wattage (W) 70 C 125 C Resistance Range () L 0.3 Dimensions (mm) D 0.4 A 0.05 Working Temperature Range Nominal Resistance Tolerance J(5.0%) F(1.0%) D(0.5%) C(0.25%) B(0.10%) A5(0.05%) Temperature Coefficient PPM Normal test range (+25C ~ +85C)
NE1/10 0.25 0.10 0.05 ~ 10 6.80 2.50 0.60
NE1/8 NE1/4 NE1/2 0.5 0.75 1.0 0.125 0.25 0.5 0.05 ~ 10 0.025 ~ 10 0.025 ~ 10 10.2 14.5 18.4 3.80 4.50 6.50 0.60 0.60 0.80 -55C ~ +175C all resistance:J 0.1R0.2:J / F 0.23: C2(50PPM/C), C3(25PPM/C),C5(15PPM/C), C6(10PPM/C), C7(5PPM/C) R<1:No Temperature Coefficient reference
Remark: Please contact Token's Representatives if your requirement is not in above range.
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Type Life time Item
NE Metal Film Precision Resistors
Method GJB244A (MIL-PRF-55182) 4.8.18 Rated Wattage,125C,2000h 10000h GJB244A (MIL-PRF-55182) 4.8.18 -10C ~ +65C, RH<90% Rated Wattage, Cycle 240h. GJB244A 4.8.19 175C 2000h GJB244A (MIL-PRF-55182) 4.8.12/4.8.23/4.8.10 Requirement GJB244A (MIL-PRF-55182) 3.24 R(0.5%R+0.01) R(2%R+0.01) GJB244A (MIL-PRF-55182)3.21 R(0.4%R+0.01)
Periodical Inspection Items and Methods
LongPeriod
Humidity
GJB244A (MIL-PRF-55182)3.25 R(2.0%R+0.01) Dielectric voltage GJB244A (MIL-PRF-55182) 3.18/3.29/3.16 R(0.15%R+0.01) no physical damage, arc, isolation break through Lead strength GJB244A (MIL-PRF-55182) GJB244A (MIL-PRF-55182) Short Period Impact 4.8.11/4.8.16/4.8.17 3.17/3.22/3.23 High frequency vibration R(0.20%R+0.01) no physical damage Solderability GJB244A (MIL-PRF-55182) 4.8.14 GJB244A (MIL-PRF-55182)3.20 R(0.10%R+0.01) no physical damage How to Order
High temp exposed
NE1/8
0.5W
10R
B
Code
C6 Resistance Tolerance
P
Resistance Tolerance
Part Number: NE1/10, NE1/8, NE1/4, NE1/2 Rated Power (W)
Code NE1/10 NE1/8 NE1/4 NE1/2 NE1/10 EE1/8 EE1/4 EE1/2 Code R01 R1 1R Temperature 70 C Rated Power (W) 0.25 0.50 0.75 1.00 0.10 0.125 0.25 0.50
A5 B C D F J
Code
0.05% 0.10% 0.25% 0.50% 1.00% 5.00%
Temperature coefficient
125C
Temperature coefficient (PPM/C) C2 C3 C5 C6 C7 50ppm/C 25ppm/C 15ppm/C 10ppm/C 5ppm/C
Resistance Value
Resistance Value 0.01 0.1 1
Packaging: P (Bulk) Back to 1st Page - Metal Film Precision Resistors (NE)
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