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
  
                      
14D431K


710V 115J 350V 275V 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 : 216
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USD 0.0664
Multiples of: 5

                  
25D561K


925V 440J 1150pF@1kHz 460V 350V 504V~616V 15kA 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.

SURGING Availability : 202
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USD 0.692
Multiples of: 1

                  
25D681K


1.12kV 450J 950pF@1kHz 560V 420V 612V~748V 15kA 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.

SURGING Availability : 147
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USD 0.9439
Multiples of: 1

                  
20D471K


775V 1W 850pF@1kHz 220J 385V 300V 470V 6.5kA Radial Leaded 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 : 118
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USD 0.1468
Multiples of: 5

                  
20D621K


1.025kV 505V 385V 558V~682V 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.

SURGING Availability : 102
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USD 0.1488
Multiples of: 5

   1.025 kV          558 V ~ 682 V   
5D431K


745V 350V 275V 387V~473V Plugin,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 : 99
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USD 0.0179
Multiples of: 20

   745 V          387 V ~ 473 V   
25D511K


845V 415V 320V 459V~561V Plugin,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.

SURGING Availability : 97
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USD 0.5848
Multiples of: 1

   845 V          459 V ~ 561 V   
25D471K


775V 400J 1400pF@1kHz 385V 300V 423V~517V 15kA 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.

SURGING Availability : 79
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USD 0.7653
Multiples of: 1

                  
20D681K


1.12kV 230J 600pF@1kHz 560V 420V 612V~748V 6.5kA Radial Leaded 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 : 53
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USD 0.1666
Multiples of: 5

                  
20D561K


925V 220J 710pF@1kHz 460V 350V 504V~616V 6.5kA Radial Leaded 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 : 51
Ship by Mon. 12 Aug to Thu. 15 Aug Calender.png

USD 0.1303
Multiples of: 5

                  
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