About Varistors

Setfuse 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
  
                      
SFV20D821K


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SETfuse 3880
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AUD 0.4993
Multiples of: 1

                  
SFV10D681K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 1940
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AUD 0.1167
Multiples of: 5

                  
SFV10D471K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 1913
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AUD 0.0997
Multiples of: 5

                  
SFV10D821K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 456
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AUD 0.1365
Multiples of: 5

                  
SFV10D561K


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.

SETfuse 436
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AUD 0.1086
Multiples of: 5

                  
SFV14D511K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 247
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AUD 0.1593
Multiples of: 5

                  
SFV14D681K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 242
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AUD 0.2154
Multiples of: 5

                  
SFV14D821K


Plugin,P=7.5mm Varistors ROHS
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SETfuse 242
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AUD 0.3267
Multiples of: 5

                  
SFV20D561KM


Plugin,P=10mm Varistors ROHS
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SETfuse 194
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AUD 0.4214
Multiples of: 1

                  
SFV20D681K


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.

SETfuse 194
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AUD 0.4617
Multiples of: 1

                  
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