About Varistors

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
  
                      
030566DB


V22ZA1 MOV12VAC-RMS*
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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.

Littelfuse Availability : 269
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USD 0.1349
Multiples of: 1

Mov18 VDC14 VAC47 V22 mm150 A0.9 J1600 pF- 55 C to + 85 CRadialBulk Za 18.7 VDC to 26 VDC   
V250LT10P


Varistors 250V 220pF
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Littelfuse Availability : 269
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USD 0.2197
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MOV330 VDC250 VAC650 V10 mm2.5 kA40 J220 pF RadialReel , Cut Tape LAPCB Mount429 V- 55 C+ 85 C 
B72220S0441K302


Varistor: metal-oxide; THT; 40VAC; 585VDC; 715V; 8000A; 185J
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TDK Availability : 269
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USD 0.91
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              715 V   
561KD14J-ZC3.5Z2HJ


Plugin,P=7.5mm Varistors ROHS
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Yageo Availability : 266
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USD 0.0764
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751KD20J-EP10(STAR)


Varistors Through Hole,P=10mm RoHS
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Yageo Availability : 266
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USD 0.1692
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   1.24 kV          750 V   
Hot V10E25P


Littelfuse Varistors 25Vrms 2kA 3600pF 10mm Disc
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Littelfuse Availability : 265
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USD 0.0094
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Mov31 V25 V77 V 2000 A25 J3600 pF- 40 C to + 85 CRadialBulk Lv Ultramov 39 V- 40 C+ 85 C 
B72214R2301K101


Varistors 300V 14mm 2pin ThermoFuse Varistor
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TDK Availability : 265
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USD 0.7863
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Mov385 VDC300 VAC775 V17 mm6 kA125 J400 pF RadialBulk Nt14 470 V- 40 C+ 85 C 
VDRUS20Z275BSE


Varistors 275V 130AA 20D Radial
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Vishay Availability : 265
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USD 1.311
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Mov350 VDC275 VAC710 V23 mm13 kA380 J900 pF RadialBulk VdrusPcb Mount430 V- 40 C+ 125 C 
Hot V275LA40BPX10


Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
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Littelfuse Availability : 264
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USD 0.3644
Multiples of: 1

Mov369 V275 V680 V20 mm6500 A140 J900 pF- 55 C to + 85 CRadialBulk La 389 V- 55 C+ 85 C 
V510LA40A


Var MOV 510VAC/675VDC 4500A 910V Radial Bulk
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RCA Availability : 264
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USD 1.4975
Multiples of: 1

                  
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