About Varistors

Liown 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
  
                      
621KD07J


1.025kV 0.25W 80pF@1kHz 55J 505V 385V 620V 1.75kA 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.

Liown 320
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USD 0.0243
Multiples of: 10

   1.025 kV          620 V   
241KD05


410V 215V 150V 240V 05D 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.

Liown 291
Ships to you
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USD 0.0193
Multiples of: 20

   410 V          240 V   
221KD05


380V 180V 140V 220V 05D 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.

Liown 291
Ships to you
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USD 0.0193
Multiples of: 20

   380 V          220 V   
431KD20


710V 1W 350V 930pF@1kHz 190J 275V 430V 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.

Liown 266
Ships to you
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USD 0.1222
Multiples of: 5

   710 V          430 V   
201KD05J


355V 170V 130V 200V 05D 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.

Liown 261
Ships to you
between Fri. 24 May to Wed. 29 May Calender.png

USD 0.0235
Multiples of: 10

   355 V          200 V   
621KD05


1.025kV 505V 385V 620V 05D 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.

Liown 261
Ships to you
between Fri. 24 May to Wed. 29 May Calender.png

USD 0.0235
Multiples of: 10

   1.025 kV          620 V   
271KD20J


455V 225V 175V 270V Plugin Varistors ROHS
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Liown 257
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between Fri. 24 May to Wed. 29 May Calender.png

USD 0.1277
Multiples of: 5

   455 V          270 V   
511KD14


845V 0.6W 121J 390pF@1kHz 415V 320V 510V 4.5kA 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.

Liown 242
Ships to you
between Fri. 24 May to Wed. 29 May Calender.png

USD 0.0606
Multiples of: 5

   845 V          510 V   
112KD14J


1.815kV 895V 680V 1.1kV 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.

Liown 242
Ships to you
between Fri. 24 May to Wed. 29 May Calender.png

USD 0.1274
Multiples of: 5

   1.815 kV          1.1 kV   
271KD07


455V 0.25W 185pF@1kHz 225V 18J 175V 270V 1.2kA 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.

Liown 232
Ships to you
between Fri. 24 May to Wed. 29 May Calender.png

USD 0.0161
Multiples of: 20

   455 V          270 V   
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