View AVRC-18S_239470.PDF datasheet online --- IC-ON-LINE

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Advanced Material On TECHnology - AMOTECH
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CONTENTS
PRODUCTS OVERVIEW
Compact Array (Space Saved) / AVSC F Series (4_Element) Compact Array (Space Saved) / AVSC E Series (8_Element) General Array / AVNC Series (2_Element) General Array / AVNC Series (4_Element) R-C Type EMI-ESD Filter / AVRC Series
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Feed Thru Type EMI-ESD Filter / AVFC Series .com High Power / AVL Series Low Capacitance / AVLC Series Terminology Selection Guidelines & Application Field Tape and Reel Specification & Soldering Recommendation
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Transient Voltage Suppressors Applications
Typical Circuits Requiring Protection
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PRODUCTS OVERVIEW
AMECS Transient Voltage Suppressors are ZnO based devices designed for protection of low and medium voltage electronic circuits against electrostatic discharge and voltage or current transient surges. They have nonlinear voltage-current characteristics similar to back-to-back zener diodes and their multilayer structure provide many advantages comparing with zener diodes. Their breakdown voltage can range from 4V to 470V, surge current from 30A to 400A, capacitance value from 0.8 to 7.5 and their size from 0402 to 3225.
AMECS Transient Voltage Suppressors cover different application fields, such as : 1. ICs and low voltage electronic circuits protection 2. Automotive electronics protection 3. Telecommunication
Protective device that has been used for protection of ICs and low voltage electronic circuits for years is Zener diode. AMECS Transient Voltage Suppressors are a new SMD protective device, which present real and serious competition to Zener diode in numerous aspects: Symmetrical I-V characteristics Fastest response time (< 1ns) Variable capacitance values Low leakage current High surge current capability EMI / RFI attenuation characteristics High surge energy capability Good energy dissipation capability High reliability Good temperature stability Small size SMD compatibility .com
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In the field of automotive electronics and telecommunications AMECS Transient Voltage Suppressors compete with standard disc varistors. Their advantages are : Low clamping voltage Fast response time shorter than 5ns Variable capacitance values Low leakage current High current capability of the unit volume High energy capability of the unit volume Good energy dissipation capability Maximum operating Temp. up to +125 Good temperature stability High reliability Small size SMD compatibility
Absolute Maximum Ratings
Value Transients : Peak Single Pulse Surge Current 8/20 Waveform (Imax) Single Pulse Surge Energy, 10/1000 Waveform (Wmax) Operating Ambient Temperature Storage Temperature Range Threshold Voltage Temperature Coefficient Response Time Climatic Category Units
20 to 250 0.05 to 2.5 -55 to +125 -55 to +150 < - 0.05 <1 55/125/56
A J
%/ ns
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Compact Array (Space Saved)
AVSC -F Series (4_element)
Features
Four elements in one chip 0405 sizes World smallest size Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module Mobile Phone/PDAs MP3 Player Digital Camera ESD Protection for sensitive IC I/O Port, Keypad for portable devices Wireless Handsets Lap top computer Desk top computer
AVSC SERIES
Ordering information
AVSC
Compact Array Varistor
5
S
04
F
Chip Size : 04 = 0405
025
Typical Capacitance @ 1MHz : 025 = 25pF Configuration : F = 4 element
Maximum Continuous Working Voltage - Vdc K= 10%, L = 15%, M = Vn Tolerance : 20%, S = Special order
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Specifications
Type Symbol Units Test Condition AVSC AVSC AVSC 18S 5S 5S 04 04 04 F F F 010 025 050
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC
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Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1MHz max Typ.
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Resistance* R Mega Ohms (min.) 3V DC
18 5.5 5.5
24-32 10-14 10-14
45 25 25
1.0 1.0 1.0
5 5 10
0.005 0.03 0.03
10
8 25 50
10 10 10
Dimensions (unit : mm)
Equivalent Circuit Diagram
Pad layout
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Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
2
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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Compact Array (Space Saved)
AVSC -E Series (8_element)
Features
Eight elements in one chip 0508 sizes World smallest size Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module Mobile Phone/PDAs MP3 Player Digital Camera ESD Protection for sensitive IC I/O Port, Keypad for portable devices Wireless Handsets Lap top computer Desk top computer
AVSC SERIES
Ordering information
AVSC
Compact Array Varistor
5
S
05
E
Chip Size : 05 = 0508
025
Typical Capacitance @ 1MHz : 025 = 25pF Configuration : E= 8 element
Maximum Continuous Working Voltage - Vdc K= 10%, L = 15%, M = Vn Tolerance : 20%, S = Special order
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Specifications
Type Symbol Units AVSC Test Condition E Series AVSC AVSC AVSC 18S 5S 5S 05 05 05 E E E 010 025 050
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC
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Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1MHz max Typ.
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Resistance* R Mega Ohms (min.) 3V DC
18 5.5 5.5
24-32 10-14 10-14
45 25 25
1.0 1.0 1.0
5 5 10
0.005 0.03 0.03
10
8 25 50
10 10 10
Dimensions (unit : mm)
Equivalent Circuit Diagram
Pad layout
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3
Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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General Array
AVNC Series (2_element)
Features
Two elements in one chip 0405, 0508 Sizes Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module I/O Port Application Cellular Phone PCMCIA / Compact Flash Card RS-232 & RS-423 Data Lines DSP Products
AVNC SERIES
Ordering information
AVNC
Low Capacitance Varistor array Maximum Continuous Working Voltage - Vdc K= 10%, L =
18
S
Vn Tolerance :
05
D
015
Typical Capacitance @ 1KHz : 015 = 15pF Configuration : D = 2 element
15%, M =
20%, S = Special order
Chip Size : 04 = 0405, 05 = 0508
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Specifications
Type Symbol Units Test Condition
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC
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Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1KHz
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Resistance* R Mega Ohms (min.) 3V DC
AVNC Series (0402 Dual Array)
AVNC AVNC AVNC 5S 14S 18S 04 04 04 D D D 050 050 015 5.5 14 18 10-14 18-24 24-32 25 40 45 1.0 1.0 1.0 10 10 5 0.03 0.03 0.005 50 50 15 10 10 10
AVNC Series (0603 Dual Array)
AVNC 18S 05 D 120 18 24-32 45 1.0 30 0.05 120 10
Dimensions (unit : mm)
Equivalent Circuit Diagram
Pad layout
1.4 0.15 0.64 0.05
0.32 0.1
0.20 0.1
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0.3 0.1
0.66 MAX
0.9 0.15
Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
4
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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DataSheet 4 U .com
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General Array
AVNC Series (4_element)
Features
Four elements in one chip 0508, 0612 Sizes Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module I/O Port Application Cellular Phone PCMCIA / Compact Flash Card RS-232 & RS-423 Data Lines DSP Products
AVNC SERIES
Ordering information
AVNC
Low Capacitance Varistor array Maximum Continuous Working Voltage - Vdc K= 10%, L =
18
S
Vn Tolerance :
05
Q
015
Typical Capacitance @ 1KHz : 015 = 15pF Configuration : Q= 4 element
15%, M =
20%, S = Special order
Chip Size : 05 = 0508, 06 = 0612
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Specifications
Type Symbol Units Test Condition
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC
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Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1KHz
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Resistance* R Mega Ohms (min.) 3V DC
AVNC Series - (0402 Quad Array)
AVNC AVNC AVNC AVNC 5S 14S 18S 18S 05 05 05 05 Q Q Q Q 050 050 050 015 5.5 14 18 18 10-14 18-24 24-32 24-32 25 40 45 45 1.0 1.0 1.0 1.0 10 10 5 5 0.03 0.03 0.03 0.005 50 50 50 15 10 10 10 10
AVNC Series - (0603 Quad Array)
AVNC AVNC 18S 14S 06 06 Q Q 120 350 18 14 24-32 18-24 45 35 1.0 1.0 30 30 0.05 0.1 120 350 10 10
Dimensions (unit : mm)
Equivalent Circuit Diagram
Pad layout
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Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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DataSheet 4 U .com
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R-C Type EMI-ESD Filter
AVRC Series
Features
Four elements in one chip 0508 sizes Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module Mobile Phone/PDAs MP3 Player Digital Camera ESD Protection for sensitive IC I/O Port, Keypad for portable devices Wireless Handsets Lap top computer Desk top computer
Special Features
EMI Filtering with ESD protection
AVRC SERIES
Ordering information
AVRC
R-C Type EMI-ESD Filter Maximum Continuous Working Voltage - Vdc K= 10%, L = 15%, M =
5
S
Chip Size : 05 = 0508
05
Q
050
100R
Typical Resistance: 100R=100
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Vn Tolerance : 20%, S = Special order
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Typical Capacitance @ 1MHz : 050= 50pF Configuration : Q = 4 element
Specifications
Type Symbol Units Test Condition AVRC AVRC AVRC AVRC 18S 05 Q 010 100R 14S 05 Q 030 100R 5S 05 Q 050 100R 5S 05 Q 100 100R
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1MHz Typ. max Resistance* IR Mega Ohms (min.) 3V DC
1
Resistance R Ohms (Typ) 3V DC
18 14 5.5 5.5
24-32 18-24 10-14 10-14
45 45 25 25
1.0 1.0 1.0 1.0
5 5 10 10
0.005 0.005 0.03 0.03
5
4 15 25 50
10 10 10 10
100 100 100 100
Dimensions (unit : mm)
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Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
6
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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DataSheet 4 U .com
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R-C Type EMI-ESD Filter
AVRC Series
Equivalent Circuit Diagram Pad layout
Frequency Charateristics AVRC SERIES
AVRC 5S 05Q 050 100R
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AVRC 5S 05 Q 100 100R AVRC 5S 05 Q 050 100R AVRC 14S 05 Q 030 100R AVRC 18S 05 Q 010 100R
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Frequency vs. Insertion Loss Curve
Crosstalk with port1 & port2
ESD Protection Effciency (Contact 8KV ESD Strike)
ESD Curve Input (IEC61000-4-2 Standard Waveform)
ESD Curve Output
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Feed Thru Type EMI-ESD Filter
AVFC Series
Features
Four elements in one chip 0508 sizes Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30KV Low capacitance for high frequency data line protection Fast response time < 1ns
Application
LCD Module Mobile Phone/PDAs MP3 Player Digital Camera ESD Protection for sensitive IC I/O Port, Keypad for portable devices Wireless Handsets Lap top computer Desk top computer Acustic Part
Special Features
EMI Filtering with ESD protection
Ordering information
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AVFC
Feed-thru Type EMI-ESD Filter Maximum Continuous Working Voltage - Vdc K= 10%, L = 15%, M =
5.com S 05
Vn Tolerance : 20%, S = Special order
Q
Chip Size : 05 = 0508
050
Typical Capacitance @ 1MHz : 050= 50pF Configuration : Q = 4 element
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AVFC SERIES
Specifications
Type Symbol Units Test Condition AVFC AVFC AVFC AVFC 18S 05 Q 14S 05 Q 5S 05 Q 5S 05 Q 010 030 050 100
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms@ 1MHz Typ. max Resistance* R Mega Ohms (min.) 3V DC
1
18 14 5.5 5.5
24-32 18-24 10-14 10-14
45 40 25 25
1.0 1.0 1.0 1.0
5 5 10 10
0.005 0.005 0.03 0.03
10
8 30 50 100
10 10 10 10
Dimensions (unit : mm)
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Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
8
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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DataSheet 4 U .com
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Feed Thru Type EMI-ESD Filter
AVFC Series
Equivalent Circuit Diagram Pad layout
Frequency Charateristics
AVFC 5S 05Q 050
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AVFC 5S05Q100 AVFC 5S05Q050 AVFC 14S05Q030 AVFC 18S05Q010
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AVFC SERIES
Frequency vs. Insertion Loss Curve
Crosstalk with port1 & port2
ESD Protection Effciency (Contact 8KV ESD Strike)
ESD Curve Input (IEC61000-4-2 Standard Waveform
ESD Curve Output
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High Power
AVL Series
Description
AVL Series are designed to protect sensitive electronics devices against high voltage transient surges in the low voltage region. They offer excellent transient energy absorption due to improved energy volume distribution and power dissipation. AVL series cover wide DC operating voltage range from 5V to 56V.
Features
Multilayer construction technology Wide operating voltage range Vdc : 3V to 56V 5 Model sizes available : 0402, 0603, 1206 and 1210 ESD protection > 30KV Short response time < 1ns Bidirectional clamping and low clamping voltage - 55 to + 125 operating temperature range No plastic coating guarantees better flammability rating Low Leakage current after soldering max. 20 at Vdc
Application
Mobile Phone/PDAs MP3 Player Digital Camera ESD Protection for sensitive IC I/O Port, Keypad for portable devices Wireless Handsets Lap top computer Desk top computer HDD DVD Digital TV (PDP TV, LCD TV)
Ordering information
AVL
Standard Single Varistor
5
15%, M =
M
20%, S = Special order
02
200
Maximum Surge Current : 200 = 20 100A Chip Size : 02 = 0402, 03 = 0603, 05 = 0805 06 = 1206, 10 = 1210, 25 = 3225
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Maximum Continuous Working Voltage - Vdc K= 10%, L =
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Dimensions
AVL SERIES
Equivalent Circuit Diagram
Pad layout
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Size L(mm) W(mm) M(mm) T(mm)
0402 1.0 0.10 0.5 0.10 0.25 0.15 Max 0.6
0603 1.6 0.15 0.8 0.15 0.35 0.15 Max 0.9
0805 2.0 0.2 1.25 0.2 0.4 0.2 Max1.1
1206 3.2 0.3 1.6 0.3 0.5 0.25 Max 1.2
1210 3.2 0.3 2.5 0.3 0.5 0.25
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High Power
AVL Series
Specifications
Type Symbol Units Test Condition
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC Clamping Voltage Vc Volts(max.) Clamping Current Ic Amp 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms @ 1KHz @ 1MHz
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Resistance* R Mega Ohms (min.) 3V DC
Size 0402
AVL AVL AVL AVL AVL 5M 02 8M 02 11L 02 14K 02 18K 02 200 200 200 200 200 5.5 8 11 14 18 8 11 15 18 22 15.5 20 30 35 40 1.0 1.0 1.0 1.0 1.0 20 20 20 20 20 0.05 0.05 0.05 0.05 0.05 480 230 180 160 90 10 10 10 10 10
Size 0603
AVL AVL AVL AVL AV AVL AVL 5M 8M 14K 18S 18S 18S 18S 03 03 03 300 300 300 5.5 8 14 18 18 18 18 8 11 18 24-32 24-32 24-32 24-32 15 25 35 45 45 45 45 1.0 1.0 1.0 1.0 1.0 1.0 1.0 30 30 30 30 2 2 2 0.1 0.1 0.1 0.05 0.05 0.05 0.05 800 500 350 120 30 15 3 10 10 10 10 10 10 10
03 LC120 03 LC30 03 LC15 03 LC03
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Size 0805
AVL AVL AVL AVL AVL AVL AVL AVL AVL AVL AVL AVL 8M 05 8M 05 11L 05 11L 05 14K 05 14K 05 18K 05 18K 05 22K 05 22K 05 26K 05 26K 05 400 121 400 121 400 121 400 121 400 121 400 121
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21 21 25 25 35 35 38 38 49 49 54 54 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
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40 120 40 120 40 120 40 120 40 120 40 120 0.1 0.3 0.1 0.3 0.1 0.3 0.1 0.3 0.1 0.3 0.1 0.3 800 1000 600 800 400 750 400 600 350 500 300 400 10 10 10 10 10 10 10 10 10 10 10 10
8 8 11 11 14 14 18 18 22 22 26 26
11 11 15 15 18 18 22 22 27 27 33 33
AVL SERIES
Size 1206
AVL AVL AVL AVL AVL AVL AVL AVL 14K 06 18K 06 22K 06 26K 06 31K 06 38K 06 45K 06 56K 06 151 151 151 151 151 151 151 151 14 18 22 26 31 38 45 56 18 22 27 33 39 47 56 68 33 38 44 54 65 77 90 110 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 150 150 150 150 150 150 150 150 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 2000 1500 1400 1300 1150 1000 700 550 10 10 10 10 10 10 10 10
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Customized properties are available upon request. Resistance after soldering is 10M min. [Reflow soldering condition] Temperature profile : 230
max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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DataSheet 4 U .com
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Low Capacitance
AVLC Series
Features
Meets IEC 61000-4-2 (ESD), Level 4 & IEC 61000-4-4 (EFT), Level 4 requirements ESD Protection > 30 KV Low capacitance for high frequency data line protection Small size {0402 (1.0 0.5mm), 0603 (1.6 0.8mm) } Fast response time < 1ns Available in tape and reel for automatic pick and place
Application
Mobile Phone & PDA Cellular Phone PCMCIA / Compact Flash Card RS-232 & RS-423 Data Lines USB Data Lines MCM Boards LCD Module
Ordering information
AVLC
Low Capacitance Single Varistor Maximum Continuous Working Voltage - Vdc K= 10%, L = 15%, M =
5
S
Vn Tolerance :
02
050
Typical Capacitance @ 1KHz : 050 = 50pF Chip Size : 02 = 0402, 03 = 0603
20%, S = Special order
Specifications
Type Symbol Units Test Condition AVLC AVLC AVLC AVLC AVLC AVLC AVLC 5S 02 5S 02 14S 02 14S 02 18S 02 18S 02 18S 02 100 050 100 050 015 003 001
Working Voltage Vdc Volts(max.) < 20 Breakdown Voltage Vn Volts 1mA DC Clamping Clamping Current Voltage Ic Vc Amp Volts(max.) .com 8/20 Peak Current Imax Amp(max.) 8/20 Transient Energy Wmax Joules(max.) 10/1000 Capacitance C pF(Typ.) 0.5Vrms @ 1KHz @ 1MHz
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Resistance* R Mega Ohms (min.) 3V DC
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5.5 5.5 14 14 18 18 18
10-14 10-14 18-24 18-24 24-32 90-160 60-80
25 25 40 40 45 300 200
1.0 1.0 1.0 1.0 1.0 1.0 1.0
20 10 20 10 5 1 0.8
0.05 0.03 0.05 0.03 0.005 0.005 0.005
100 50 100 50 15 3 0.8
10 10 10 10 10 10 10
Dimensions
AVLC SERIES
Equivalent Circuit Diagram
Pad layout
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Resistance after soldering is 10M min.[Reflow soldering condition] Temperature profile : 230 max. , 5sec Solder paste : Tamura (Japan) RMA 20-21 L, Measurement shall be made 1 hour after soldering.
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TERMINOLOGY
Term Rated AC Voltage Rated DC Voltage Supply Voltage Leakage Current Varistor voltage Reference Current Clamping Voltage Protection Level Voltage Clamping Ratio Class Current Rated Single Pulse Transient Energy Rated Peak Single Pulse Transient Current Rated Transient Average Power Dissipation Capacitance Nonlinear Exponent Response Time Varistor voltage Temperature Coefficient Insulation Resistance Isolaion Voltage Operating Temperature Climatic Category Storage Temperature Current .com Energy Derating
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Symbol Vrms Vdc V Id Vn In Vc
Maximum continuous sinusoidal RMS voltage (<5% total harmonic distortion) which may be applied to the component under continuous operating conditions at 25 Maximum continuous DC voltage (<5% ripple) which may be applied to the component under continuous operating conditions at 25 The voltage by which the system is designated and to which certain operating characteristics of the system are referred; normally Vrms=1.1 V The current passing through the varistor at Vdc and at 25 Voltage across the varistor measured at a given reference current In Reference current The peak voltage developed across the varistor under standard atmospheric conditions when passing an 8/20 class current pulse
A figure of merit measure of the varistor clamping effectiveness as defined by the symbols Vc/Vapp, where (Vapp=Vrms or Vdc)
Vc/Vapp Ic
A peak value of current which is 1/10 of the maximum peak current for 100 pulses at two per minute for the 8/20 s pulse Energy which may be dissipated for a single 10/1000 impulse of a maximum rated current, with rated .comvoltage also applied without causing device failure RMS voltage or rated DC Maximum peak current which may be applied for a single 8/20 impulse, with rated line voltage also applied, without causing device failure Maximum average which may be dissipated due to a group of pulses occurring within a specified isolated time period, without causing device failure at 25 Capacitance between two terminals of the varistor measured at 1 kHz A measure of varistor nonlinearity between two given operating currents, In and I2, as described by I = kVexp( ) where k is a device constant, I2 I In, and a I2 = log (I1/In)/log (V1/Vn) = 1/log (V1/Vn), where: In- reference current (1mA, or 0.1mA), Vn-varistor voltage, I1=10In, V1the voltage measured at I1 The time lag between application of a surge and varistor's `turn-on' conduction action (Vn at 85 -Vn at 25 )/((Vn at 25 ) 60 ) 100
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Wmax
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Imax P C
Minimum resistance between shorted terminals and varistor surface Minimum voltage applied for one minute between shorted terminals and varistor surface The range of ambient temperature for which the varistor is designed to operate continuously, as defined by the temperature limits of its climatic category
LCT/UCT/DHD
UCT=Upper Category Temperature, LCT=Lower Category Temperature, DHD=Dump Heat Test Duration Storage temperature range without voltage applied Derating of maximum values when operated above 85
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SELECTION GUIDELINES & APPLICATION FIELDS
The selection of Transient Voltage Suppressors involves comparison of device parameter with circuit conditions. The following selection guidelines are recommended: 1. Select Transient Voltage Suppressors with a rated voltage greater than or equal to the normal operating voltage of the circuit. 2. Select Transient Voltage Suppressors which is capable of dissipating the expected transient peak pulse current. 3. The Transient Voltage Suppressors clamping voltage should be less than the maximum voltage handling capability of the protected circuit for the same pulse waveform. 4. For systems using high speed data rates, Transient Voltage Suppressors capacitance will have to be considered. There may be applications where the actual transient current cannot be defined. Often, the designer will have to meet the requirements of certain transient immunity specification. As the very least, identification of the source of the threat is necessary; lightning, inductive switching, ESD, etc.
Summary of Selection
Device Parameter Vdc (V) Imax (A) Vc (V) C Circuit Condition 120% of Normal circuit operating voltage Expected transient current Maximum allowable voltage across the protected component Maximum loading capacitance for signal integrity
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Market
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Computer & Peripheral Personal computer
Audio card Keyboards I/O ports RS232/RS422/IEEE Interface card
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Car Electronics ECU protection Multiplex I/O line ABS system Airbag system Audio system Navigation system Smart sensor & actuator Ignition circuit Motor control boards
Communication Cellular/ cordless phone
LCD display Programming port Charger Key pads Speaker &Microphone ASIC protection Laser diode protection FETs protection
Consumer Product Security system
Sensor protection Key pads Microprocessor reset & I/O protection LCD display
488
Printer & Scanner
Paper feeders Key pads Opto sensors
CATV
LNA FETs protection Logic box protection
Application
Secondary phone line Data line connection Line card
Portable equipment
Camcorder Cassette player CD player MD player Digital camera PDAs
Hard disc drive
Vcc protection
FAX / MODEM Fax machine Note book computer
LCD display Audio card Keyboard I/O ports Charger PCMCIA cards
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TAPE AND REEL SPECIFICATION & SOLDERING RECOMMENDATION
Conforms to IEC Publication 286 - 3
SIZE 0402
SIZE 0603 ~ 3225
Size A0 B0 C D E K W Units/Reel
Units (mm) (mm) (mm) (mm) (mm) (mm) (mm) pcs
0402 0.62 1.12 4 3.5 8 0.6 10,000
0603 1.0 1.8
0805 1.7 2.5
1206 2.0 3.8 4 3.5 8 2.2 8.4 3,500
1210 3 3.8 4 3.5 8 2.2 8.4 3,500
3225 7 8.7 12 7.5 16 3.7 16.4 1,500
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4 4 3.5 3.5 .com 8 8 1.2 1.4 8.4 8.4 4,000 4,000
DataShee
Sn/Pb Solder paste
Pb free Solder paste
Repair soldering
Allowable time and temperature for making correction with a soldering iron :350 10C, 3 sec. Optimum solder amount when corrections are made using a soldering iron
Soldering Guidelines
Our chip varistors are designed for reflow soldering only. Do not use flow soldering Use Sn/Pb/Ag(62/36/2) or equivalent solder. Use non-activated flux(Cl content 0.2% max.) Follow the recommended soldering conditions to avoid varistor damage
Storage Recommendation
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15 The components should be used within 6 months. They are to be left in the original package in order to avoid soldering problems caused by oxidized terminals. Air humidity should be less than 40%.
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Transient Voltage Suppressors Applications
TYPICAL CIRCUITS REQUIRING PROTECTION
Mobile Phone Protection
Speaker Jack protection Power Supply protection Button protection Data Interface protection Key Pad LED protection USB Interface protection Antenna Switching Module protection Batterry Protected Circuit Module protection Speaker Jack Protection in LCD Module LCD Data Line & Module protection
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DataShee
LCD protection Audio circuit protection Keyboard protection I/O port protection
Semiconductor Device Protection
ASIC protection IC protection MOSFET protection
Micro Controllers Relays, DC motors Protection
CMOS relay driver LM319 relay driver
Sensor Protection
Typical sensor protection Hall device protection
Preamplifier Protection
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Optic Protection
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Mobile Phone Protection
Speaker jack Protection
Required characteristics of ESD Suppressors
Power Supply Protection
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Concern on many designs
Rated DC Volt. : < 5V Energy rating : < 0.05J Capacitance : No Concern
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DataShee
Button Protection
Required characteristics of ESD Suppressors
Data interface Protection
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Concern on many designs
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Should be minimized
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Key Pad LED Protection
Required characteristics of ESD Suppressors
USB Interface Protection
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Concern on many designs
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Depend on data transmission rate
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DataShee
Antenna Switching Module Protection
Required characteristics of ESD Suppressors
Module Protection
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Should be minimized
Rated DC Volt. : < 18V Energy rating : < 0.1J Capacitance : No Concern
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Speaker Protection in LCD Module
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Concern on many designs
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DataShee
LCD data line & Module Protection
Required characteristics of ESD Suppressors
Rated DC Volt. : < 18V Energy rating : < 0.05J Capacitance : Should be minimized
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Notebook & Desktop Computer Protection
LCD Protection
Required characteristics of Transient Voltage Suppressors
Audio Circuit Protection
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. : < 5.6V Energy rating : < 0.1J Capacitance : Preferred to be minimum
Rated DC Volt. : 14V - 18V Energy rating : Typically 0.1J Capacitance : No concern
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DataShee
Keyboard Protection
Required characteristics of Transient Voltage Suppressors
I/O Port Protection
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. : > 5.6V Energy rating : < 0.4J Capacitance : Preferred to be minimum
Rated DC Volt. : 14V - 18V Energy rating : Typically 0.05J - 0.1J Capacitance : Should be minimized
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Semiconductor Device Protection
ASIC Protection
IC Protection
MOSFET Protection
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Micro .com Relays Controllers
CMOS Relay Drivers
Required characteristics of Transient Voltage Suppressors
DataShee
LM319 Relay Driver
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. : Relay voltage Energy rating : Typically > 0.3J Capacitance : No concern
Rated DC Volt. : Relay voltage Energy rating : Typically > 0.3J Capacitance : No concern
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Sensor Protection
Typical Sensor Protection
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. :Typically > 14V Energy rating : Typically > 0.4J Capacitance : No concern
Hall Device Protection
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. : Control voltage Energy rating : Typically > 0.3J Capacitance : No concern
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.com Preamplifier/Optics Protection
Preamplifier Protection
Required characteristics of Transient Voltage Suppressors
Laser Diode Protection
Required characteristics of Transient Voltage Suppressors
Rated DC Volt. :Typically 18V - 26V Energy rating : 0.05J - 0.9J Capacitance : Concern on many designs
Rated DC Volt. : 18V Energy rating : 0.1J Capacitance : Should be minimized
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