About Varistors

Bourns Varistors

A varistor (also known as a voltage-dependent resistor, or VDR) is a resistor whose resistance changes as the voltage across it increases or decreases. Varistors are typically constructed from a ceramic material containing semiconductor materials such as silicon and germanium. They have a relatively large resistance at low voltage levels, but as the voltage increases, their resistance drops significantly, allowing more current to flow through them. This feature makes them useful for absorbing transient voltages, which are sudden increases in the voltage that can occur when a device is powered on or off. Varistors are also commonly used to provide overvoltage protection, where they absorb and dissipate excessive voltages before they reach sensitive electronic components.

Varistors

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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
CG0402MLA-14LG


Bourns Varistors CHIP GUARD
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 29100
Ships to you
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USD 0.0211
Multiples of: 10000

Mlv14 VDC11 VAC30 V 20 A0.05 J100 pF- 55 C to + 125 CSmd/SmtReel0402 (1005 METRIC)Mla 14 VDC- 55 C+ 125 C 
MOV-07D391KTR


Var MOV 250VAC/320VDC 1200A 390V Thru-Hole Radial T/R
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Bourns 29100
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USD 0.046
Multiples of: 2000

 429 V 650 V7 mm1.2 kA25 J130 pF- 40 C to + 85 C Reel Mov - 07Dxxxk  - 40 C+ 85 C 
CG0402MLA-18KG


Bourns Varistors 18volts 10%
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Bourns 28264
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USD 0.0243
Multiples of: 1

Mlv18 VDC14 VAC45 V 20 A0.05 J85 pF- 55 C to + 125 CSmd/SmtReel0402 (1005 METRIC)Mla 18 VDC- 55 C+ 125 C 
GMOV-20D271K


Varistors 275VRMS 305J 730V-CLAMP
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Bourns 28015
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USD 1.0384
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MOV350 VDC275 VAC-23 mm10 kA305 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
ZV25K1210401NIR1HT


Varistors ZV 25V 10%
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Bourns 24364
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USD 0.1414
Multiples of: 1

MLV31 VDC25 VAC65 V-400 A1.8 J1060 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVHTPCB Mount39 V- 55 C+ 125 C 
ZV30K0603300NIR1


Varistors ZV 30V 10%
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Bourns 23765
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USD 0.0483
Multiples of: 1

MLV38 VDC30 VAC77 V-30 A0.1 J160 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)ZVPCB Mount47 V- 55 C+ 125 C 
CG0603MLA-26KE


ESD Suppressors CHIP GUARD 26VOLT 10%
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Bourns 23562
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USD 0.0299
Multiples of: 1

MLV26 VDC20 VAC58 V-30 A100 mJ100 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)MLAPCB Mount26 V- 55 C+ 125 C 
ZV30K0603300NIR1HT


Varistors ZV 30V 10%
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Bourns 23019
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USD 0.0495
Multiples of: 1

          Cut Tape       
MOV-20D821K


Var MOV 510VAC/670VDC 6500A 820V Radial Bulk
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Bourns 22131
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USD 0.452
Multiples of: 1

MOV820 VDC510 VAC1.355 kV20 mm4.5 kA157 J240 pF RadialBulk MOV - 20DxxxKPCB Mount820 V- 40 C+ 85 C 
ZV35K1210251NIR1


Varistors ZV 35V 10%
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Bourns 14251
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USD 0.1322
Multiples of: 1

MLV45 VDC35 VAC90 V-250 A2.2 J670 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVPCB Mount56 V- 55 C+ 125 C 
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