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
  
                      
182KD25


2.97kV 1.465kV 1.1kV 1.8kV 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.

Liown Availability : 9
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USD 0.7769
Multiples of: 1

   2.97 kV          1.8 kV   
391KD20


650V 320V 250V 390V Plugin Varistors ROHS
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Liown Availability : 7
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USD 0.1338
Multiples of: 1

   650 V          390 V   
101KD14


165V 0.6W 2000pF@1kHz 85V 28J 60V 100V 4.5kA Radial Leaded Varistors ROHS
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Liown Availability : 4
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USD 0.0679
Multiples of: 5

   165 V          100 V   
751KD20J


1.24kV 1W 615V 420J 530pF@1kHz 460V 750V 10kA 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 Availability : 1
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USD 0.2131
Multiples of: 1

   1.24 kV          750 V   
122KD20J


1.98kV 990V 750V 1.2kV 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.

Liown Availability : 1
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USD 0.2851
Multiples of: 1

   1.98 kV          1.2 kV   
820KD07


135V 0.25W 5J 65V 600pF@1kHz 50V 82V 1.2kA Radial Leaded Varistors ROHS
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Liown Availability : 0
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USD 0.0204
Multiples of: 20

   135 V          82 V   
180KD05


40V 0.01W 1400pF@1kHz 0.4J 14V 11V 18V 100A Radial Leaded Varistors ROHS
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Liown Availability : 0
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USD 0.0205
Multiples of: 20

   40 V          18 V   
470KD07


93V 0.02W 38V 1100pF@1kHz 2.5J 30V 47V 250A Radial Leaded Varistors ROHS
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Liown Availability : 0
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USD 0.0207
Multiples of: 20

   93 V          47 V   
561KD07J


925V 0.25W 90pF@1kHz 460V 49J 350V 560V 1.75kA Radial Leaded Varistors ROHS
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Liown Availability : 0
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USD 0.0224
Multiples of: 20

   925 V          560 V   
471KD07J


775V 0.25W 105pF@1kHz 385V 42J 300V 470V 1.75kA Radial Leaded Varistors ROHS
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Liown Availability : 0
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USD 0.0228
Multiples of: 20

   775 V          470 V   
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