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
  
                      
B72542V6500K062


EPCOS TDK Varistors 2220 50V 4500A CN2220K50E2GK2
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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.

TDK Availability : 1067
Ship by Fri. 09 Aug to Tue. 13 Aug Calender.png

USD 1.2964
Multiples of: 1

MLV65 VDC50 VAC135 V-4.5 kA15 J3000 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)Surge ProtectionPCB Mount82 V- 55 C+ 125 C 
14D391K


Varistors 320V 650V 4.5KA Through Hole RoHS
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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.

Hongzhi Availability : 1066
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USD 0.049
Multiples of: 5

   650 V          351 V ~ 429 V   
20D102K


Varistors Through Hole RoHS
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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.

Hongzhi Availability : 1064
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USD 0.2315
Multiples of: 1

   1.65 kV          900 V ~ 1100 V   
B72214S2421K101


Varistors Varistor S14K420E2
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TDK Availability : 1064
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USD 0.3612
Multiples of: 1

MOV560 VDC420 VAC1120 V15.5 mm5 kA136 J220 pF RadialBulk B722xxS2PCB Mount680 V- 40 C+ 105 C 
ERZ-V20D911


Var 550VAC/745VDC 7500A 910V Radial Bulk
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Panasonic Availability : 1064
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USD 1.8502
Multiples of: 1

Mov745 V550 V1.5 kV20 mm7.5 kA510 J500 pF- 40 C to + 85 CRadialBulk V 910 V- 40 C+ 85 C 
MOVTP20V320N


Varistors MOVTP, 20 mm, 320 Vac
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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.

Eaton Availability : 1063
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USD 0.9474
Multiples of: 1

MOV410 VDC320 VAC845 V23.5 mm10000 A386 J- Through HoleBulk MOVTPThrough Hole561 V- 40 C+ 105 C 
TVR10431KFABUD2Y


Plugin,P=7.5mm Varistors ROHS
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TKS Availability : 1062
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USD 0.0725
Multiples of: 5

                  
D58ZOV350RA01


MOV - Standard, 5mm, 35VAC, 250A Imax (aka 01-0280)
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Maida Availability : 1062
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USD 0.0953
Multiples of: 1000

          -       
V250LA40BPX2855


Varistors RADIAL VARISTOR 20MM ROHS / PB FREE
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Littelfuse Availability : 1061
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USD 0.51
Multiples of: 1

 330 VDC 620 V      Bulk La     
VDRUS14X460BSE


Varistors 460V 8000A 14D Radial
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Vishay Availability : 1061
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USD 0.9728
Multiples of: 1

Mov615 VDC460 VAC1.24 kV16.5 mm8 kA270 J150 pF RadialBulk VdrusPcb Mount750 V- 40 C+ 125 C 
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