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.
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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
  
                      
20D681K


Varistors Through Hole RoHS
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AUD 0.0155
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20D221K


Varistors Through Hole RoHS
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AUD 0.0155
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20D431KJ


Varistors Through Hole RoHS
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AUD 0.0155
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20D621K


Varistors Through Hole RoHS
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AUD 0.0155
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20D391K


Varistors Through Hole RoHS
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AUD 0.0155
Multiples of: 1

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20D820K


Varistors Through Hole RoHS
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AUD 0.0155
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20D511K


Varistors Through Hole RoHS
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AUD 0.0155
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14D560K


Varistors 45V 100V 1KA Through Hole,P=7.5mm RoHS
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AUD 0.0155
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   100 V              
07D561K


Varistors 460V 925V 1.2KA Through Hole,P=5mm RoHS
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AUD 0.0155
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   925 V          560 (504 ~ 616)   
FPV160808G140PKT


0603 Varistors ROHS
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AUD 0.0156
Multiples of: 50

                  
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