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
  
                      
V10E140P


Littelfuse Varistors 140Vrms 3500A 400pF 10mm Disc
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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 : 1074
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USD 0.2314
Multiples of: 1

Mov180 VDC140 VAC360 V10 mm3.5 kA 400 pF- 55 C to + 85 CRadialBulk Lv Ultramov  - 55 C+ 85 C 
14D271K


Varistors 225V 455V 4.5KA 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.

Ruilongyuan Availability : 1073
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USD 0.0673
Multiples of: 5

   455 V              
B72220S3301K101


Varistors Varistor S20K300E3
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TDK Availability : 1072
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USD 0.8521
Multiples of: 1

Mov385 V300 V775 V22.5 mm12000 A320 J - 40 C to + 85 CRadialBulk2220 (5750 METRIC)Superior S25 470 V- 40 C+ 105 C 
TMOV20RP115M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse Availability : 1072
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USD 1.2964
Multiples of: 1

MOV150 VDC125 VAC300 V20 mm10 kA52 J2400 pF RadialBulk iTMOVPCB Mount198 V- 55 C+ 85 C 
V18MA1A


Varistors 18V 40A 550pF
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Littelfuse Availability : 1071
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USD 0.4192
Multiples of: 1

MOV13 VDC9 VAC49 V3 mm40 A0.05 J550 pF RadialBulk MAPCB Mount18 V- 55 C+ 85 C 
MOVS4032V420


Varistors 420 VAC, 1120 V CLAMP, 1200 PE
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Eaton Availability : 1069
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USD 0.3897
Multiples of: 1

MOV670 VDC420 VAC1120 V-1200 A-- SMD/SMTReel , Cut Tape4032MOVS4032SMD/SMT748 V- 40 C+ 85 C 
TVR07221KSABW


360V 180V 140V Plugin Varistors ROHS
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TKS Availability : 1067
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USD 0.0636
Multiples of: 5

   360 V          -   
MOV14D431K206RV112


710V 350V 275V 387V~473V Plugin,P=7.5mm Varistors ROHS
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KNSCHA Availability : 1067
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USD 0.0653
Multiples of: 5

   710 V          387 V ~ 473 V   
D63ZOV271RA100


MOV - Standard, 18mm, 270VAC, 7500A Imax (aka 01-1100)
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Maida Availability : 1067
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USD 0.5059
Multiples of: 250

          -       
B72220S461K101


Varistors 460volts 8000A
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TDK Availability : 1067
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USD 0.8147
Multiples of: 1

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