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
  
                      
B72210S2271K111


Varistors 275VAC 10% 10mm AdvanceD
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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 : 335
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USD 0.4095
Multiples of: 1

              430 V   
WLRSV4032-561K


250mW 33J 460V 350V 1500A SMD Varistors 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.

SURGING Availability : 334
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USD 0.0441
Multiples of: 5

                  
FTR10D180KJ


36V 14V 11V 15V~21.6V Plugin Varistors 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.

FTR Availability : 334
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USD 0.045
Multiples of: 5

   36 V          15 V ~ 21.6 V   
ERZ-VGED471


Varistors ZNR TransientSurge Absorbers Type D
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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.

Panasonic Availability : 334
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USD 0.3151
Multiples of: 1

MOV385 VDC300 VAC775 V14 mm6 kA85 J400 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
RM07D471KC1IECW0


Varistors 385V 775V 1.2KA Through Hole,P=5.08mm RoHS
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Dersonic Availability : 333
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USD 0.021
Multiples of: 20

   775 V          -   
Hot V275LT4P


Varistors 275V 80pF
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Littelfuse Availability : 333
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USD 0.0457
Multiples of: 1

MOV369 VDC275 VAC710 V7 mm1.2 kA23 J80 pF RadialReel , Cut Tape LAPCB Mount473 V- 55 C+ 85 C 
561KD20


Varistors 560V 6.5KA MOV Disc 20mm
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Yageo Availability : 333
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USD 0.2617
Multiples of: 1

MOV460 VDC350 VAC925 V20 mm6.5 kA215 J710 pF RadialBulk 20DPCB Mount560 V- 40 C+ 105 C 
10D821K


1.355kV 85J 670V 510V 2.5kA Radial Leaded,P=7.5mm Varistors ROHS
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SURGING Availability : 332
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USD 0.0515
Multiples of: 5

                  
STE14D431K1EQ0FST0R0


Varistors 350V 710V 4.5KA Through Hole RoHS
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Songtian Availability : 332
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USD 0.0755
Multiples of: 5

   710 V          387 V ~ 473 V   
ZVR14D621KK837FB


1.025kV 505V 385V 620V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 332
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USD 0.1019
Multiples of: 1

   1.025 kV          620 V   
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