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Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
Trimmer Potentiometers
SMD Sealed Type 4mm Size PVM4 Series
4.0 2.00.2 0.7
s Fetures
1. Available for flow and reflow soldering method while maintaining unique sealed construction. 2. Simple construction by 3 piece parts achieve high reliability. 3. Available for cleaning after soldering. 4. Plated termination achieve a high resistance to solder leaching. 5. High grade version is available (PVM4AxxxB01).
2.70.1
#2
1.5 Dia. 3.8 Dia.
#1 1.7 0.6
#3 0.550.1 0.350.1 Depth
(2.4)
4.7
0.75
1.5 0.8
#2 #1 CLOCKWISE #3
(0.3) 2.4
0.85
1.8
0.85
s Applications
1. FDDs 3. Measuring equipments 5. Professional use cameras 2. HDDs 4. Encorders
mm (Tolerancein0.3) :
Part Number PVM4A101A01 PVM4A201A01 PVM4A301A01 PVM4A501A01 PVM4A102A01 PVM4A202A01 PVM4A302A01 PVM4A502A01 PVM4A103A01 PVM4A203A01 PVM4A303A01 PVM4A503A01 PVM4A104A01 PVM4A204A01 PVM4A304A01 PVM4A504A01 PVM4A105A01 PVM4A205A01 PVM4A101B01 PVM4A201B01 PVM4A301B01 PVM4A501B01 PVM4A102B01 PVM4A202B01 PVM4A302B01 PVM4A502B01 PVM4A103B01 PVM4A203B01 PVM4A303B01 PVM4A503B01 PVM4A104B01 PVM4A204B01 PVM4A304B01 PVM4A504B01 PVM4A105B01
Power Rating (W) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.1(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C) 0.25(70C)
Soldering Method Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow Flow/Reflow
Number of Turns (Effective Rotation Angle) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010) 1(24010)
Total Resistance Value 100ohm 25% 200ohm 25% 300ohm 25% 500ohm 25% 1k ohm 25% 2k ohm 25% 3k ohm 25% 5k ohm 25% 10k ohm 25% 20k ohm 25% 30k ohm 25% 50k ohm 25% 100k ohm 25% 200k ohm 25% 300k ohm 25% 500k ohm 25% 1M ohm 25% 2M ohm 25% 100ohm 20% 200ohm 20% 300ohm 20% 500ohm 20% 1k ohm 20% 2k ohm 20% 3k ohm 20% 5k ohm 20% 10k ohm 20% 20k ohm 20% 30k ohm 20% 50k ohm 20% 100k ohm 20% 200k ohm 20% 300k ohm 20% 500k ohm 20% 1M ohm 20%
TCR (ppm/C) 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 150 100 100 100 100 100 100 100 100 100 100 100 150 150 150 150 150
5
Continued on the following page.
29
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
Continued from the preceding page.
Part Number PVM4A205B01
Power Rating (W) 0.25(70C)
Soldering Method Flow/Reflow
Number of Turns (Effective Rotation Angle) 1(24010)
Total Resistance Value 2M ohm 20%
TCR (ppm/C) 150
The last three digits express the individual specification codes. A01 for standard type and B01 for high-liability type.
s Construction
s Standard Land Dimension
1.7
1.8 1.2 3.2 3.2
Driver Plate
#2 Terminal
Wiper Rubber
#1 Terminal
Ceramic Substrate Resistive Element #3 Terminal 1.1 1.6 1.1
mm (Tolerancein0.1) :
s Characteristics
Item Humidity Exposure High Temperature Exposure Humidity Load Life PVM4ApppA01 Res. Change : 3% Res. Change : 3% Res. Change : 3% Res. Change : 3% Res. Change : 3% Res. Change : 10% (20 cycles) PVM4ApppB01 Res. Change : 2% Res. Change : 2% Res. Change : 3% Res. Change : 3% Res. Change : 2% Res. Change : 5% (100 cycles)
5
Temperature Load Life Temperature Cycle Rotational Life
30
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
PVM4 Series Notice
s Notice (Operating and Storage Conditions)
1. Store that the temperature is -10 to +40deg. C and the relative humidity is 30-85%RH. 2. Do not store in or near corrosive gases. 3. Use within six months after delivery. 4. Open the package just before using. 5. Do not store under direct sunlight. 6. The trimmer potentiometer should not be used under the following environmental conditions: If you use the trimmer potentiometer in an environment other these listed below, please consult with Murata factory representative prior to using. (1) Corrosive gaseous atmosphere. (Ex. Chlorine gas, Hydrogen sulfide gas, Ammonia gas, Sulfuric acid gas, Nitric oxie gas, etc.) (2) In liquid. (Ex. Oil, Medical liquid, Organic solvent, etc.) (3) Dusty/dirty atmosphere. (4) Direct sunlight. (5) Static voltage nor electric/magnetic fields. (6) Direct sea breeze. (7) Other variations of the above.
s Notice (Rating)
1. When using with partial load (rheostat), minimize the power depend on the resistance value. 2. The maximum input voltage to a trimmer potentiometer should not exceed (P*R)^1/2 or the maximum operating voltage, whichever is smaller. 3. The maximum input current to a trimmer potentiometer should not exceed (P/R)^1/2 or the allowable wiper current, whichever is smaller.
5
s Notice (Soldering and Mounting)
1. Soldering (1) Can be soldered by reflow soldering method, flow soldering method, and soldering iron. (Incase of flow soldering, it is necessary to clean after soldering.) (2) Use our standard land dimension. Excessive land area causes displacement due to effect of the surface tension of the solder. Insufficient land area leads to insufficient soldering strength of the chip. (3) Standard soldering condition (a) Reflow and flow soldering : Refer to the standard temperature profile. (b) Soldering iron: >Temperature of tip 260deg.C max. >Soldering time 3sec. max. >Diameter 2mm dia. max. >Wattage of iron 30W max. Before using other soldering conditions than those listed above, please consult with Murata factory representative prior to using. If the soldering conditions are not suitable, e. g., excessive time and/or excessive temperature, the trimmer potentiometer may deviate from the specified characteristics. (4) Apply the appropriate amount of solder paste. The thickness of solder paste should be printed from 100micro m to 150micro m and the dimension of land pattern should be used Murata's standard land pattern at reflow soldering. Insufficient amounts of solder can lead to insufficient soldering strength on PCB. Excessive amounts of solder may cause the bridging between the terminals. (5) The soldering iron should not come in contact with the case of the trimmer potentiometer. If such contact does occur, the trimmer potentiometer may be damaged. 2. Mounting (1) Do not apply excessive force (preferable 9.8N (Ref.; 1kgf) max.), when the trimmer potentiometer is mounted to the PCB. (2) Do not warp and/or bend PC board to prevent trimmer potentiometer from breakage. (3) In chip placers, the recommended size of the cylindrical pick-up nozzle should be outer dimension 4.0mm dia. and inner dimension 2.0mm dia.. 3. Cleaning (1) Isopropyl alcohol and Ethyl alcohol are available material for cleaning. For other materials, please consult with Murata factory representative prior to using. (2) The total cleaning time by cold dipping method shall be less than 5 minutes. The total cleaning time by hot dipping method shall be less than 2 minutes. The total cleaning time by ultrasonic washing (conditions as below) method shall be less than 1 minutes.
Continued on the following page.
31
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
PVM4 Series Notice
Continued from the preceding page.
In case of the mixed conditions with hot dipping and ultrasonic washing, the cleaning time by hot dipping shall be less than 1 minutes and the cleaning time by ultrasonic washing shall be less than 1 minutes. In case of the mixed conditions with hot dipping, ultrasonic washing and vaper, the cleaning time by hot dipping shall be less than 1 minutes, the cleaning time by ultrasonic washing shall be less than 30 seconds and the cleaning time by vaper shall be less than 30 seconds. If the trimmer potentiometer is cleaned by
other conditions,the sealing construction may be damaged. Due to the ultra-sonic cleaning equipment peculiar self resonance point and the cleaning compatibility usually depends on the jig construction and/or the cleaning condition such as the depth of immersion, please check the cleaning equipment to determine the suitable conditions. If the trimmer potentiometer is cleaned by other conditions, the trimmer potentiometer may be damaged.
s Flow Soldering Standard Profile
For flow soldering
s Reflow Soldering Standard Profile
For reflow soldering
Pre-heating(in the air) 250 Temperature (C) 200
Soldering
Gradual Cooling (in the air) Temperature (C)
Pre-heating(in the air) 230 200
Soldering
Gradual Cooling (in the air)
100
100
5
0 0 60~120 sec. 5 sec. max. Time 60~120 sec. 30 sec. max. (Melting zone) Time
s Notice (Handling)
1. Use suitable screwdrivers that fit comfortably in driver slot. We recommend the below screwdriver. * Recommended screwdriver for manual adjustment VESSEL MFG.: NO. 9000-2.6x30 (Murata P/N : KMDR120) We can supply above screwdrivers. If you place order, please nominate Murata P/N. 2. Don't apply more than 4.9N (Ref.; 500gf) of twist and stress after mounted onto PCB to prevent contact intermittence. If excessive force is applied, the trimmer potentiometer may not function. 3. Please use within the effective rotational angle. The potentiometer dose not have a mechanical stop for over rotation. In case out of effective rotational angle, the trimmer potentiometer may not function. 4. When using a lock paint to fix slot position, please use adhesive resin without chlorine or sulfur (Three-bond "1401series").
s Notice (Other)
1. Please make sure that your product has been evaluated and confirmed against your specifications when our product is mounted to your product. 2. Murata connot guarantee trimmer potentiometer integrity when used under conditions other than those specified in this document.
32
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
SMD Open Type and PVM4A_A01 Series Specifications and Test Methods Specifications and Test Methods
The tests and measurements shall be conducted under the condition of 15 to 35C of temperature, 25 to 75% of relative humidity and 86 to 106 kpa of atmospheric pressure unless otherwise specified. In case when entertained a doubt in judgment obtained from results measured in accordance with the above mentioned conditions, the tests and measurements shall be conducted under the condition of 252C of temperature and, 45 to 55% of relative humidity and 86 to 106 kpa of atmospheric pressure. No. Item Test Methods Measure total resistance between the resistance element and terminals (terminals #1 and #3) with the contact arm positioned against a stop. The positioning of the contact arm and terminal shall be the same for subsequent total resistance measurements on the same device. Use the test voltage specified in Table-1 for total resistance measurements. This voltage shall be used whenever a subsequent total resistance measurement is made. 1 Total Resistance Total resistance, Nominal (ohm) 10VRV100 100FRV1k 1kFRV10k 10kFRV100k 100kFR Maximum Test Voltage (V) 1.0 3.0 10.0 30.0 100.0
Table-1 Total resistance test voltage Position the contact arm at the extreme counterclockwise limit of mechanical travel and measure the resistance between the contact arm and the corresponding end terminal. Then, position the contact arm at the extreme clockwise limit of mechanical travel and measure the resistance between the contact arm and the corresponding end terminal. During this test, take suitable precautions to ensure that the rated current of the resistance element is not exceeded. Contact resistance variation shall be measured with the measuring circuit shown in below, or its equivalent. The operating wiper shall be rotated in both directions through 90% of the actual effective-electrical travel for a total of 6 cycles. The rate of rotation of the operating wiper shall be such that the wiper completes 1 countin determining whether or not a contact resistance variation is observed at least twice in the same location. The test current shall follow the value given in Table-2 unless otherwise limited by the power rating. 3 Contact Resistance Standard total resistance R (ohm) 100VRF10k 10kVRF100k 100VR Test Current
10mA Max. 1mA Max. 100A Max.
Constant Current Source not to Exceed Rating of Unit Being Tested 1 Rx 2 Proofreaded Resistence AC Amplifier 3 Oscilloscope
2
Residual Resistanc
Table-2 Test current for CRV
Rx : Trimmer Potentiometer Oscilloscope bandwidth :100Hz to 50kHz
Figure-1 CRV measuring circuit 4 Humidity Exposure The wiper contact point shall be pre-setted at about 50% position of effective rotational angle. After that, the potentiometer shall be placed in a chamber at 402C and 90 - 95% without loading for 50012 hours. The resistance value shall be measured after keeping the potentiometer in a room for 51/6 hours. The wiper contact point shall be pre-setted at about 50% position of effective rotational angle. After that, the potentiometer shall be placed in a chamber at 702C without loading for 50012 hours. The resistance value shall be measured after keeping the potentiometer in a room for 1.51/6 hours. The wiper contact point shall be pre-setted at about 50% position of effective rotational angle. After that, the potentiometer shall be placed in a chamber at 402C and 90 - 95% with loading the 1/2 rated voltage between #1 and #2 terminals, intermittently 1.5 hours ON and 0.5 hours OFF for 100012hours. The resistance value shall be measured after keeping the potentiometer in a room for 51/6 hours. The wiper contact point shall be pre-setted at about 50% position of effective rotational angle. After that, the potentiometer shall be placed in a chamber at 702C (502C for PVZ) with loading the 1/2 rated voltage between #1 and #2 terminals, intermittently 1.5 hours ON and 0.5 hours OFF for 100012 hours. The resistance value shall be measured after keeping the potentiometer in a room for 1.51/6 hours. The wiper contact point shall be pre-setted at about 50% position of effective rotational angle. After that, the potentiometer shall be subjected to Table-3,Table-4 temperature for 5 cycles. The resistance value shall be measured after keeping the potentiometer in a room for 1.510 minutes. 8 Temperature Cycle Sequence Temp. (C) Time (min.) 2 1 3 4 -253 +252 +853 +252 303 10Max. 303 10Max. Table-3 PVZ Sequence Temp. (C) Time (min.) 2 1 3 4 -553 +252 +1253 +252 303 10Max. 303 10Max.
5
High Temperature Exposure
6
Humidity Load Life
7
Load Life
Table-4 PVA3/PVS3/PVM4A---A01
Continued on the following page.
9
70 1
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc. !Note *Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
*This catalog has only typical specifications. Therefore, you are requested to approve our product specification please approve our product specification or transact the approval sheet for product specification before ordering. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, or to transact the approval sheet for product specificaion before ordering.
R50E12.pdf 02.9.5
SMD Open Test Methods Specifications andType and PVM4A_A01 Series Specifications and Test Methods
Continued from the preceding page.
No.
Item
Test Methods The trimmer potentiometer shall be subjected to the following each temperature (see Table-5,Table-6) for 30 to 45 minutes. The resistance value shall be measured in the chamber. R2 - R1 TCR= R1 (T2 - T1) Z 106 (ppm/C)
9
Temperature Coefficient of Resistance
T1 T2 R1 R2
: Reference temperature in degrees celsius : Test temperature in degrees celsius : Resistance at reference temperature in ohm : Resistance at test temperature in ohm 2 -253 3* +252 4 +853 Sequence Temp. (C) 1 +252 2 -553 3* 4 +252 +1253
Sequence 1* Temp. (C) +252 Note)*:Norm Temp.
Table-6 PVA3/PVS3/PVM4A---A01
Table-5 PVZ The wiper shall be rotated over 90% of the effective rotational angle without loading at a speed of 10 cycles per minute, for 10 cycles continuously. The resistance value shall be measured after keeping the potentiometer in a room for 105 minutes.
10
Rotational Life
9
71

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