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
  
                      
WLRSV3225-471K


100mW 15J 385V 300V 700A 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 : 2987
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USD 0.0439
Multiples of: 5

                  
14D681KJ


1.12kV 200J 290pF@1kHz 560V 420V 612V~748V 6kA 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 : 2631
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USD 0.0771
Multiples of: 5

                  
20D271KJ


455V 1W 127J 1500pF@1kHz 225V 175V 270V 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 : 2453
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USD 0.1482
Multiples of: 5

                  
14D821K


1.355kV 157J 670V 510V 4.5kA 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.

SURGING Availability : 2369
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USD 0.0686
Multiples of: 5

                  
14D471K


775V 0.6W 430pF@1kHz 385V 125J 300V 470V 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 : 2238
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USD 0.0559
Multiples of: 5

                  
WLRSV3225-511K


100mW 15J 415V 320V 700A 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 : 2166
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USD 0.0436
Multiples of: 5

                  
7D471K


775V 30J 385V 300V 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 : 2060
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USD 0.0147
Multiples of: 20

                  
5D511K


845V 0.1W 50pF@1kHz 16J 415V 320V 510V 400A 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 : 1837
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USD 0.0287
Multiples of: 10

                  
20D511K


845V 1W 780pF@1kHz 220J 415V 320V 510V 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 : 1053
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USD 0.1288
Multiples of: 1

                  
14D561K


925V 0.6W 360pF@1kHz 460V 125J 350V 560V 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 : 1031
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USD 0.0555
Multiples of: 5

                  
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