About Varistors

Surging 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
  
                      
7D471KJ


775V 42J 105pF@1kHz 385V 300V 423V~517V 1.75kA 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.

SURGING Availability : 537
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USD 0.0174

Multiples of: 20

                  
7D621K


1.025kV 33J 80pF@1kHz 505V 385V 558V~682V 1.2kA 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.

SURGING Availability : 522
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USD 0.0194

Multiples of: 20

                  
7D561K


925V 30J 460V 350V 1.2kA 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.

SURGING Availability : 515
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USD 0.016

Multiples of: 20

                  
7D511KJ


845V 45J 100pF@1kHz 415V 320V 459V~561V 1.75kA 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.

SURGING Availability : 395
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USD 0.0155

Multiples of: 20

                  
10D511KJ


845V 0.4W 200pF@1kHz 70J 415V 320V 510V 2.5kA 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.

SURGING Availability : 367
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USD 0.0455

Multiples of: 5

                  
14D821KJ


1.355kV 0.6W 240pF@1kHz 157J 670V 510V 820V 4.5kA 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.

SURGING Availability : 356
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USD 0.1234

Multiples of: 5

                  
WLRSV4032-561K


250mW 33J 460V 350V 1500A SMD Varistors ROHS
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SURGING Availability : 334
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USD 0.0455

Multiples of: 5

                  
10D821K


1.355kV 85J 670V 510V 2.5kA 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.

SURGING Availability : 332
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USD 0.0532

Multiples of: 5

                  
20D621KJ


1.025kV 390J 505V 385V 10kA Radial Leaded,P=10mm Varistors ROHS
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SURGING Availability : 331
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USD 0.1602

Multiples of: 1

                  
10D271K


455V 0.4W 40J 225V 370pF@1kHz 175V 270V 2.5kA Radial Leaded,P=7mm 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 : 0
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USD 0.0455

Multiples of: 5

                  
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