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
  
                      
10D511K


845V 0.4W 200pF@1kHz 70J 415V 320V 510V 2.5kA 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 : 41217
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USD 0.0244
Multiples of: 10

                  
7D511K


845V 30J 415V 320V 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 : 28682
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USD 0.0146
Multiples of: 20

                  
7D431K


710V 0.25W 28J 115pF@1kHz 350V 275V 430V 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 : 22025
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USD 0.0143
Multiples of: 20

                  
10D471K


775V 0.4W 65J 385V 210pF@1kHz 300V 470V 2.5kA 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 : 7874
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USD 0.0285
Multiples of: 10

                  
14D101K


165V 28J 2000pF@1kHz 85V 60V 90V~110V 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 : 7200
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USD 0.0599
Multiples of: 5

                  
10D561K


925V 70J 180pF@1kHz 460V 350V 504V~616V 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 : 5193
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USD 0.0286
Multiples of: 10

                  
7D271K


455V 0.25W 185pF@1kHz 225V 18J 175V 270V 1.2kA 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 : 5173
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USD 0.0341
Multiples of: 10

                  
20D431K


710V 190J 350V 275V 6.5kA 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 : 3707
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USD 0.1316
Multiples of: 5

                  
5D271K


475V 0.1W 95pF@1kHz 225V 8.5J 175V 270V 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 : 3705
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USD 0.0321
Multiples of: 10

                  
14D102K


1.65kV 190J 825V 625V 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 : 3186
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USD 0.1207
Multiples of: 5

                  
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