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
  
                      
ERZ-E05A201CS


Varistors ERZ-E 5mm 200V Bulk ZNR Surge Absorber
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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.

Panasonic Availability : 7135
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USD 0.0805
Multiples of: 1

Mov170 VDC130 VAC340 V7 mm1.2 kA13 J200 pF- 40 C to + 85 C Bulk Erz - E 200 VDC   
NV73A2ATTE47


Varistors 0805 47V
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KOA Speer Availability : 7129
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USD 0.3075
Multiples of: 1

MOV38 VDC30 VAC86 V-25 A160 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73PCB Mount47 V- 40 C+ 85 CAEC - Q200
B72220S0271K151


EPCOS TDK Varistors Varistor S20K275G5
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TDK Availability : 7120
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USD 0.4225
Multiples of: 1

Mov350 VDC275 VAC710 V20 mm8 kA151 J850 pF- 40 C to + 85 CRadialReel B722 430 VDC- 40 C+ 105 C 
Hot B72650M0271K072


Varistors 350Vdc 400A 8600mJ 100mW CU3225K275G2
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TDK Availability : 7117
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USD 0.2041
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MLV350 VDC275 VAC710 V-400 A8.6 J50 pF SMD/SMTReel , Cut Tape3225 (8063 METRIC)CU StandardPCB Mount430 V- 40 C+ 85 C 
Hot V05E50P


Littelfuse Varistors 50Vrms 500A 5mm Disc
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Littelfuse Availability : 7110
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USD 0.1201
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Mov65 VDC50 VAC135 V5 mm800 A5 J350 pF RadialBulk-Lv Ultramov 82 VDC   
MOV-14D471K


Var MOV 300VAC/385VDC 4500A 470V Thru-Hole Radial Bulk
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Bourns Availability : 7099
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USD 0.1265
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MOV470 VDC300 VAC775 V14 mm4.5 kA125 J430 pF RadialBulk MOV - 14DxxxKPCB Mount470 V- 40 C+ 85 C 
VC0603L300R008


Varistors 11V 30A 0603 AEC-Q200
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Kemet Availability : 7065
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USD 0.0562
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MLV11 VDC8 VAC25 V-30 A0.1 J240 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCPCB Mount15 V- 55 C+ 125 CAEC - Q200
KMOV0402E180C030T


58V 18V 12.7V 31V~38V 0402 Varistors ROHS
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Yongyutai Electronics Availability : 7063
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USD 0.0024
Multiples of: 50

   58 V          31 V ~ 38 V   
SDV1608E180C101NPTF


Varistors 18V 22~28 40V 20A 0603 RoHS
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Sunlord Availability : 7050
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USD 0.0135
Multiples of: 20

   40 V          22 V ~ 28 V   
RL0402E018M300K


Varistors 18V 50V 0402 RoHS
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Ruilongyuan Availability : 7048
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USD 0.0101
Multiples of: 20

   50 V              
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