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
  
                      
TMOV14RP275EL2T7


Var MOV 275VAC/350VDC 6000A 473V Radial T/R
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Littelfuse 1529
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AUD 1.6434
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MOV430 VDC275 VAC710 V14 mm6 kA110 J450 pF RadialReel , Cut Tape TMOVPCB Mount473 V- 55 C+ 85 C 
STE20D911K1DN0FSB0R0


Varistors 745V 1500V 6.5KA Through Hole,P=10mm RoHS
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Songtian 43
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AUD 0.3354
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   1500 V          819 V ~ 1001 V   
V14E140P


Varistors 140Vrms 6kA 900pF 14mm Disc
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Littelfuse 43
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AUD 0.4039
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MOV180 VDC140 VAC360 V14 mm6 kA55 J900 pF RadialBulk UltraMOVPCB Mount242 V- 55 C+ 85 C 
V68MA3A


Littelfuse Varistors 68V 40A 150pF
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Littelfuse 43
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AUD 0.5437
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MOV48 VDC38 VAC138 V3 mm40 A0.26 J150 pF RadialBulk MAPCB Mount68 V- 55 C+ 85 C 
VDRS14T320BSE


Varistors 320v(RMS) 420v(DC) 370pF Varistor Pbf
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Vishay 43
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AUD 0.6443
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Mov420 V320 V850 V17 mm4.5 kA120 J370 pF- 40 C to + 85 CRadialBulk Vdrs..E 510 V   
ERZ-C20EK391


Varistors ZNR Transient/Surge Absorber Type E
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Panasonic 43
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AUD 11.2043
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Mov320 V250 V650 V20 mm8 kA130 J1200 pF- 40 C to + 85 CScrew 1805 (4814 METRIC)Erz 390 V- 40 C+ 85 C 
ERZ-C20EK471


Varistors ZNR Transient/Surge Absorber, Type E Max. Allow. =AC300Vrms, Peak Current 8kA
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Panasonic 43
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AUD 12.3829
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Mov385 VDC300 VAC775 V 8 kA150 J950 pF ScrewBulk1805 (4814 METRIC)Ek 470 V- 40 C+ 85 C 
V271DA40


Varistors 275V 40kA 4500pF 40mm Disc
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Littelfuse 43
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AUD 55.7386
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MOV369 VDC275 VAC730 V40 mm40 kA400 J4500 pF SMD/SMTBulk DAPCB Mount430 V- 55 C+ 85 C 
821KN20


Varistors 820V 10KA TMOV Disc 20mm
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Yageo 42
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AUD 1.432
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   1.355 kV          820 V   
B72240B231K1


EPCOS TDK Varistors Varistor B40K230
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TDK 42
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AUD 30.9414
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MOV300 VDC230 VAC595 V32 mm40 kA460 J3200 pF ScrewBulk HighEChassis Mount360 V- 40 C+ 85 C 
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