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
  
                      
V05E75P


Littelfuse Varistors 75Vrms 500A 5mm Disc
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Littelfuse 4357
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AUD 0.1816
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MOV102 VDC75 VAC205 V5 mm800 A7 J260 pF RadialBulk LV UltraMOVPCB Mount120 V- 40 C+ 85 C 
MOV-20D221K


Bourns Varistors 220volts 20mm
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Bourns 1538
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AUD 0.3924
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Mov220 VDC 360 V20 mm4.5 kA60 J900 pF- 40 C to + 85 C Bulk Mov - 20Dxxxk  - 40 C+ 85 C 
B72220S1170K102


EPCOS TDK Varistors Varistor S20K17AUTO
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TDK 1480
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AUD 1.6418
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Mov20 VDC17 VAC 7 mm2 kA14 J15.6 nF- 40 C to + 85 CRadialBulk Siov 27 VDC- 40 C+ 105 CAec - Q200
B72240B751K1


Varistors 750V RMS 40MM Varistor B40K750
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TDK 647
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AUD 37.2194
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MOV970 VDC750 VAC2 kV40 mm40 kA1.2 kJ1000 pF ScrewBulk HighEChassis Mount1200 V- 40 C+ 105 C 
ERZ-V10D560


Var 35VAC/45VDC 1000A 56V Radial Bulk
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Panasonic 365
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AUD 0.2364
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Mov45 V35 V110 V10 mm1 kA8.1 J3750 pF- 40 C to + 85 CRadialBulk V 56 V- 40 C+ 85 C 
121KS34


Varistors 120V 40KA MOV Square 34mm
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Yageo 68
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AUD 6.6985
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MOV100 VDC75 VAC200 V34 mm40 kA235 J0.0122 uF ScrewBulk 34SChassis Mount120 V- 40 C+ 85 C 
V151BA60


Littelfuse Varistors 150V 50kA 16000pF 60mm Disc
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Littelfuse 48
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AUD 133.9537
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 200 VDC150 VAC400 V60 mm50 kA530 J16000 pF- 55 C to + 85 CScrewBulk Ba  - 55 C+ 85 C 
V242BB60


Littelfuse Varistors 3900V 70kA 1000pF
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Littelfuse 28
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AUD 322.2761
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 3 k VDC2.4 k VAC6200 V 70 kA8.6 Kj  ScrewBulk Bb 4290 V- 55 C+ 85 C 
ERZ-V07D221


Varistors 220V 1250A ZNR SUR ABSORBER 7MM
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Panasonic 26
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AUD 0.1412
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Mov180 V140 V360 V7 mm1.75 kA19 J190 pF- 40 C to + 85 CRadial  V 220 V- 40 C+ 85 C 
NTE524V48


Metal Oxide Varistor - 23mm - 480VAC/640VDC
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NTE 20
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AUD 7.0914
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