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
  
                      
ERZ-E11A221


Panasonic Varistors ERZ-E 11mm 220V Bulk ZNR Surge Absorber
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Panasonic 2107
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AUD 0.1954
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Mov180 V140 V360 V13 mm6 kA78 J660 pF- 40 C to + 85 C Bulk Erz - E 220 V- 40 C+ 85 C 
VDR4032K471G2


SMD Varistors ROHS
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VDR 1057
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AUD 0.077
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              470 V   
20D331KJ


Plugin,P=10mm Varistors ROHS
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Ruilongyuan 683
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AUD 0.4455
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V10E25P


Littelfuse Varistors 25Vrms 2kA 3600pF 10mm Disc
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Littelfuse 680
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AUD 0.359
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Mov31 V25 V77 V 2000 A25 J3600 pF- 40 C to + 85 CRadialBulk Lv Ultramov 39 V- 40 C+ 85 C 
B72220P3321K503


Varistors 320VAC 10% 20mm SuperioR MP
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TDK 679
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AUD 1.4286
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MOV420 VDC320 VAC840 V20 mm12000 A330 J1000 pF RadialBulk B72220PPCB Mount510 V- 40 C+ 105 C 
VE1210K401R017


Varistors 22V 400A 1210 AEC-Q200
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Kemet 679
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AUD 0.5605
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MLV22 VDC17 VAC46 V-400 A1.8 J1700 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)VEPCB Mount27 V- 55 C+ 150 CAEC - Q200
V14E275


Var MOV 275VAC/350VDC 6000A 473V Radial Bulk
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Littelfuse 679
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AUD 1.2929
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          -       
B72214S321K501


Varistors 320VAC 10% 14mm StandarD
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TDK 678
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AUD 0.2857
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Mov420 VDC320 VAC840 V14 mm4.5 kA84 J370 pF RadialBulk Standardd 510 V- 40 C+ 105 C 
VCUG080100L1DP


Varistors 10V 1 element 0805
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Kyocera AVX 677
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AUD 0.2951
Multiples of: 1

MLV10 VDC7.1 VAC42 V-30 A100 mJ225 pF SMD/SMT 0805 (2012 METRIC)VCUGPCB Mount23 V- 55 C+ 125 C 
V25S440P


Varistors 440VAC 675J 1160V CLAMP 22KAPK 25MM
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Littelfuse 531
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AUD 2.4791
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MOV585 VDC440 VAC1.16 kV25 mm22 kA675 J900 pF RadialBulk UltraMOV25SPCB Mount786.5 V- 55 C+ 85 C 
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