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
  
                      
10D391K


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 : 227
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USD 0.0536
Multiples of: 5

   -              
10D561K


Varistors Through Hole RoHS
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SEMBO Availability : 221
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USD 0.0528
Multiples of: 5

   920 V          504 V ~ 616 V   
14D821K


1.355kV 157J 240pF@1kHz 670V 510V 738V~902V 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 : 220
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USD 0.0931
Multiples of: 1

                  
14D391K


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 : 208
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USD 0.0952
Multiples of: 1

                  
14D330K


65V 26V 20V 30V~36V Plugin Varistors ROHS
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SEMBO Availability : 208
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USD 0.1058
Multiples of: 1

   65 V          30 V ~ 36 V   
14D561K


925V 125J 360pF@1kHz 460V 350V 504V~616V 4.5kA Radial Leaded Varistors ROHS
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SEMBO Availability : 201
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USD 0.1045
Multiples of: 5

                  
07D471K


Varistors Through Hole,P=5mm RoHS
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SEMBO Availability : 194
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USD 0.0274
Multiples of: 10

   775 V          426 V ~ 517 V   
14D271K


Radial Leaded Varistors ROHS
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SEMBO Availability : 173
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USD 0.1058
Multiples of: 1

                  
10D681K


1.12kV 0.4W 150pF@1kHz 104J 560V 420V 680V 1250A Radial Leaded Varistors ROHS
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SEMBO Availability : 153
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USD 0.064
Multiples of: 5

                  
14D101K


165V 28J 2000pF@1kHz 85V 60V 90V~110V 4.5kA Radial Leaded Varistors ROHS
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SEMBO Availability : 122
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USD 0.1045
Multiples of: 5

                  
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