About Varistors

Sembo 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
  
                      
10D681K


1.12kV 0.4W 150pF@1kHz 104J 560V 420V 680V 1250A 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.

SEMBO Availability : 194
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USD 0.0842
Multiples of: 5

                  
14D271K


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.

SEMBO Availability : 173
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USD 0.102
Multiples of: 1

                  
14D101K


165V 28J 2000pF@1kHz 85V 60V 90V~110V 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.

SEMBO Availability : 155
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USD 0.1394
Multiples of: 5

                  
07D220K


43V 1.1J 2300pF@1kHz 18V 14V 20V~24V 250A 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.

SEMBO Availability : 116
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USD 0.0321
Multiples of: 10

                  
14D511K


845V 125J 390pF@1kHz 415V 320V 459V~561V 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.

SEMBO Availability : 91
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USD 0.1253
Multiples of: 1

                  
20D471K


775V 385V 300V 470V 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.

SEMBO Availability : 79
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USD 0.3065
Multiples of: 1

   775 V          470 V   
10D471K


Varistors Through Hole 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.

SEMBO Availability : 72
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USD 0.0517
Multiples of: 5

   775 V          470 V   
10D511K


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.

SEMBO Availability : 63
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USD 0.0638
Multiples of: 5

                  
14D751K


1.24kV 143J 270pF@1kHz 615V 460V 675V~825V 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.

SEMBO Availability : 48
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USD 0.1372
Multiples of: 5

                  
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.

SEMBO Availability : 46
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USD 0.262
Multiples of: 1

                  
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