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
  
                      
Hot V1000LA80AP


Littelfuse Varistors 1000V 130pF
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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 : 3463
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USD 0.7865
Multiples of: 1

MOV1.2 KVDC1 KVAC2.7 kV14 mm4.5 kA220 J130 pF RadialBulk LAPCB Mount1800 V- 55 C+ 85 C 
MOV-10D221KTR


Varistors 450pF 220volts 10%
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Bourns Availability : 1875
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USD 0.0908
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 242 VDC 360 V10 mm2.5 kA32 J450 pF RadialReel , Cut Tape MOV - 10DxxxKPCB Mount - 40 C+ 85 C 
B72220S0500K551


Varistors Varistor S20K50G5S5
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TDK Availability : 1872
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USD 0.4095
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Mov65 VDC50 VAC135 V20 mm2 kA27 J3800 pF- 40 C to + 85 CRadialReel B722 82 VDC- 40 C+ 105 C 
TMOV20RP420M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse Availability : 1868
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USD 1.219
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MOV560 VDC420 VAC1.12 kV20 mm10 kA320 J600 pF RadialBulk iTMOVPCB Mount748 V- 55 C+ 85 C 
MLVC22V026C2500


36V 600A Varistor 1 Circuit Surface Mount, MLCV 2220 (5750 Metric)
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Eaton Availability : 1867
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USD 0.5125
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MLV26 VDC18.4 VAC63 V-600 A2.5 J2500 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)MLVCSMD/SMT36 V- 55 C+ 125 C 
TMOV14RP510E


Varistors THERMALLY PROTECTED VARISTOR 14MM
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Littelfuse Availability : 1866
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USD 1.0338
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MOV670 VDC510 VAC1.355 kV14 mm6 kA185 J200 pF RadialBulk TMOVPCB Mount902 V- 55 C+ 85 C 
V10E30P


Littelfuse Varistors 30Vrms 2kA 2590pF 10mm Disc
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Littelfuse Availability : 1860
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USD 0.2599
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MOV38 VDC30 VAC93 V10 mm2 kA15.5 J2550 pF RadialBulk LV UltraMOVPCB Mount47 V- 40 C+ 85 C 
B72214T2321K105


EPCOS TDK Varistors Varistor 14mm 320v
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TDK Availability : 1858
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USD 0.7969
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Mov420 VDC320 VAC840 V 6 kA136 J370 pF Through HoleBulk Advanced T14 510 V- 40 C+ 105 C 
CANATL07DP


AVX Varistors 32vdc 10pF 150C Automotive
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Kyocera AVX Availability : 1854
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USD 0.1625
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Mlv32 VDC25 VAC120 V 5 A500 Mj10 pF- 55 C to + 150 CSmd/SmtReel0603 (1608 METRIC)Canatl 10.8 V- 55 C+ 150 C 
VDR-20D821K


Varistors 670V 1355V 6.5KA Through Hole RoHS
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VDR Availability : 1853
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USD 0.1484
Multiples of: 5

   1355 V          738 V ~ 902 V   
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