About Varistors

Knscha 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
  
                      
JVRS7S431KRF


710V 350V 275V 430V SMD,3.2x2.5mm 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.

KNSCHA Availability : 1765
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USD 0.0412
Multiples of: 10

   710 V          430 V   
20D471K68RV0134


775V 1W 850pF@1kHz 300J 385V 300V 423V~517V 5kA Radial Leaded,P=10mm 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.

KNSCHA Availability : 325
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USD 0.1625
Multiples of: 5

   775 V          423 V ~ 517 V   
10D681K37RV0012


1.12kV 560V 420V 680V Plugin,P=7.5mm 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.

KNSCHA Availability : 161
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USD 0.0481
Multiples of: 10

   1.12 kV          680 V   
07D511K68RV0150


845V 21J 130pF@1kHz 410V 320V 459V~561V 1.2kA SMD,3225 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.

KNSCHA Availability : 138
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USD 0.0535
Multiples of: 5

   845 V          459 V ~ 561 V   
9S471K68RV0455


775V 385V 300V 470V SMD,4032 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.

KNSCHA Availability : 31
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USD 0.0662
Multiples of: 5

   775 V          470 V   
7D561K68RV0092


1.025kV 360J 650pF@1kHz 505V 385V 558V~682V 5kA Radial Leaded,P=5mm 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.

KNSCHA Availability : 10
Ship by Fri. 16 Aug to Wed. 21 Aug Calender.png

USD 0.0159
Multiples of: 20

                  
JVRS9S431KRF


4032 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.

KNSCHA Availability : 3
Ship by Fri. 16 Aug to Wed. 21 Aug Calender.png

USD 0.0421
Multiples of: 10

                  
07D561K68RV0451


930V 22J 120pF@1kHz 450V 350V 504V~616V 1.2kA SMD,3225 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.

KNSCHA Availability : 0
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USD 0.0503
Multiples of: 5

   930 V          504 V ~ 616 V   
14D681K68RV0142


1.12kV 0.6W 320pF@1kHz 190J 560V 420V 612V~748V 3kA Radial Leaded,P=7.5mm 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.

KNSCHA Availability : 0
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USD 0.0691
Multiples of: 5

   1.12 kV          612 V ~ 748 V   
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