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.
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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
  
                      
B72205S2251K101


EPCOS TDK Varistors Varistor S05K250E2
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TDK 4702
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AUD 0.1933
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Mov320 VDC250 VAC 5 mm800 A12 J55 pF- 40 C to + 85 CRadialBulk Advanced 390 VDC- 40 C+ 105 C 
TMOV20RP130M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse 4700
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AUD 1.9014
Multiples of: 1

MOV170 VDC130 VAC340 V20 mm10 kA100 J1900 pF RadialBulk iTMOVPCB Mount225.5 V- 55 C+ 85 C 
B72510E0110K062


Varistors 11Vrms 120A CT0805K11G
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TDK 4690
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AUD 0.2687
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Mlv14 V11 V35 V 120 A200 Mj400 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)Ct 18 V- 55 C+ 125 CAec - Q200
VCUG080075L1DP


Varistors 5.3VAC 7.5VDC 0.1J 325pF 16.3 V 32V
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Kyocera AVX 4689
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AUD 0.2074
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MLV7.5 VDC5.3 VAC32 V-40 A100 mJ325 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)VCUGPCB Mount16.3 V- 55 C+ 125 C 
VC2220K801R050


Varistors 65V 800A 2220 AEC-Q200
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Kemet 4689
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AUD 0.9319
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MLV65 VDC50 VAC135 V-800 A5.8 J1500 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)VCPCB Mount82 V- 55 C+ 125 CAEC - Q200
MOV-20D391KTR


Varistors 390volts 20mm
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Bourns 4677
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AUD 0.5484
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MOV390 VDC250 VAC650 V20 mm4.5 kA100 J510 pF RadialReel , Cut Tape MOV - 20DxxxKPCB Mount390 V- 40 C+ 85 C 
B72205S0350K211


Varistors Varistor S05K35GS2
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TDK 4675
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AUD 0.2279
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Mov45 VDC35 VAC110 V5 mm100 A1.1 J620 pF RadialCut Tape B722xxs0Pcb Mount56 V- 40 C+ 105 C 
10D121K


Varistors 100V 200V 2.5KA Through Hole RoHS
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Hongzhi 2677
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AUD 0.075
Multiples of: 5

   200 V          108 V ~ 132 V   
B72220S0551K101V87


Varistors 550V Through Hole RoHS
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TDK 2455
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AUD 0.2779
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   1.5 kV          910 V   
V24ZC50P


Varistors 14V 2000A 18000pF
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Littelfuse 1460
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AUD 0.6364
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Mov18 V14 V43 V20 mm2 kA50 J18000 pF- 55 C to + 85 CRadialBulk Zc  - 55 C+ 85 C 
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