About Varistors

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
  
                      
V275LA40CPX680


Littelfuse Varistors RADIAL VARISTOR 20MM ROHS LEAD FREE
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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.

Littelfuse Availability : 437
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USD 0.7441
Multiples of: 1

Mov 275 VAC680 V20 mm9 kA  - 55 C to + 85 CRadialBulk C - Iii  - 55 C+ 85 C 
ERZ-V10D331


Panasonic Varistors 330V 2500A ZNR SUR ABSORBER 10MM
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Panasonic Availability : 383
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USD 0.1449
Multiples of: 1

Mov270 V210 V545 V10 mm3.5 kA58 J300 pF Radial  V 330 V- 40 C+ 85 C 
VC080512A250TP


Varistors 8.5VAC 12VDC 0.1J 525pF 16 V 27V
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Kyocera AVX Availability : 381
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USD 0.1828
Multiples of: 1

MLV12 VDC8.5 VAC27 V-40 A100 mJ525 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)VCPCB Mount16 V- 55 C+ 125 C 
GMOV-20D131K


Varistors 130VRMS 140J 360V-CLAMP
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Bourns Availability : 381
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USD 0.9432
Multiples of: 1

MOV170 VDC130 VAC-23 mm10 kA140 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
VCAS080509A200DP


Varistors 6.4VAC 9VDC 0.1J 750pF 12.7 V 22V
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Kyocera AVX Availability : 380
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USD 0.1092
Multiples of: 1

MLV9 VDC6.4 VAC22 V-40 A100 mJ750 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)VCASPCB Mount12.7 V- 55 C+ 125 CAEC - Q200
FTR10D911KJ


1.5kV 745V 550V 819V~1.001kV Plugin Varistors ROHS
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FTR Availability : 379
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USD 0.0447
Multiples of: 5

   1.5 kV          819 V ~ 1.001 kV   
RL0603E018M015K


Varistors 18V 50V 0603 RoHS
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Ruilongyuan Availability : 378
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USD 0.0234
Multiples of: 10

   50 V          -   
ZVR14D681KK837G1


1.12kV 565V 420V 680V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 378
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USD 0.1085
Multiples of: 1

   1.12 kV          680 V   
GMOV-14D231K


Varistors 230VRMS 130J 620V-CLAMP
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Bourns Availability : 378
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USD 0.7746
Multiples of: 1

MOV300 VDC230 VAC-16.5 mm6 kA130 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
ZVR14D271KL837A0


455V 225V 175V Plugin Varistors ROHS
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South HongMing Availability : 377
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USD 0.0857
Multiples of: 1

   455 V          -   
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