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
  
                      
B72220S0511K501


Varistors 510VAC 10% 20mm StandarD
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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.

TDK Availability : 1242
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USD 0.7645
Multiples of: 1

MOV670 VDC510 VAC1.355 kV20 mm6.5 kA190 J460 pF RadialBulk StandardDPCB Mount820 V- 40 C+ 105 C 
ERZ-V07D271CS


Panasonic Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 1241
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USD 0.1091
Multiples of: 1

Mov225 VDC175 VAC455 V7 mm1.75 kA 150 pF RadialBulk V 270 VDC   
RL4032A471K


775V 385V 300V 423V~517V 4032 Varistors ROHS
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Ruilongyuan Availability : 1239
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USD 0.1014
Multiples of: 5

   775 V          423 V ~ 517 V   
V360CH8T


Varistors 230V 250A 70pF 7 Inch Reel
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Littelfuse Availability : 1236
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USD 0.6944
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Mov300 V230 V595 V 250 A6 J70 pF- 55 C to + 125 CSmd/SmtReel3220Ch 360 V- 55 C+ 125 C 
S7580ZOV151RA360


Varistor - Square Disc Epoxy Coating - 34mm Square Disk Diameter - Zinc Oxide - 150 VAC.
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Maida Availability : 1236
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USD 13.7389
Multiples of: 96

          -       
Hot MOV-07D820K


Varistors 600pF 82volts 10%
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Bourns Availability : 1234
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USD 0.0477
Multiples of: 1

MOV90 VDC50 VAC135 V7 mm1.2 kA5.5 J600 pF RadialBulk MOV - 07DxxxKPCB Mount82 V- 40 C+ 85 C 
TMOV14RP460E


Varistors THERMALLY PROTECTED VARISTOR 14MM
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Littelfuse Availability : 1234
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USD 0.992
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MOV610 VDC460 VAC1.24 kV14 mm6 kA180 J220 pF RadialBulk TMOVPCB Mount825 V- 55 C+ 85 C 
ERZ-E08A391


Panasonic Varistors ERZ-E 8mm 390V Bulk ZNR Surge Absorber
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Panasonic Availability : 1233
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USD 0.1114
Multiples of: 1

Mov320 V250 V650 V10.5 mm3.5 kA70 J260 pF- 40 C to + 85 C Bulk Erz - E 390 V- 40 C+ 85 C 
TVR14221KOC4AY


360V 180V 140V Plugin,P=7.5mm Varistors ROHS
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TKS Availability : 1231
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USD 0.1188
Multiples of: 1

   360 V          -   
Hot VC120618D400DP


Varistors 13VAC 18VDC 0.4J 900pF 25.5 V 42V
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Kyocera AVX Availability : 2
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USD 0.1675
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MLV18 VDC13 VAC42 V-150 A400 mJ900 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)VCPCB Mount25.5 V- 55 C+ 125 C 
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