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
  
                      
B72205S0110K111


EPCOS TDK Varistors Varistor S05K11G
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TDK 2144
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AUD 0.1675
Multiples of: 1

Mov14 VDC11 VAC36 V5 mm100 A0.3 J1750 pF- 40 C to + 85 CRadialReel B722 18 VDC- 40 C+ 105 C 
VA100026D580DL


Varistors 18VAC 26VDC 0.4J 650pF 34.5 V 60V
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Kyocera AVX 2144
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AUD 0.5029
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Mlv26 VDC18 VAC60 V2.54 mm120 A0.4 J650 pF- 55 C to + 125 CAxialReel Va 34.5 V- 55 C+ 125 C 
431KD10


Varistors 350V 710V 2.5KA Through Hole RoHS
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Yageo 2143
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AUD 0.1625
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MOV350 VDC275 VAC710 V10 mm2.5 kA65 J230 pF RadialBulk 10DPCB Mount430 V- 40 C+ 105 C 
MOV-10D681K


Var MOV 420VAC/560VDC 2500A 680V Thru-Hole Radial Bulk
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Bourns 2138
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AUD 0.1937
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MOV748 VDC420 VAC1.12 kV10 mm2.5 kA70 J150 pF RadialBulk MOV - 10DxxxKPCB Mount680 V- 40 C+ 85 C 
B72214S0300K101


Varistors 30volts 1000A
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TDK 2138
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AUD 0.2091
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   93 V14 mm  4950 pF- 40 C to + 85 C Bulk   47 V   
V39ZA3P


Varistors 25 VAC 3J 76V-CLAMP 500A-PK
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Littelfuse 2137
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AUD 0.2749
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MOV31 VDC25 VAC76 V10 mm500 A3 J2200 pF RadialBulk ZAPCB Mount42.9 V- 55 C+ 85 C 
B72220S0600K101


Varistors 60volts 6500A
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TDK 2137
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AUD 0.4975
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   165 V20 mm  3600 pF- 40 C to + 85 C Bulk   100 V   
V56ZA3P


Varistors 35 VAC 5.5J 110V-CLAMP 500A-PK
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Littelfuse 2132
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AUD 0.3806
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Mov45 V35 V110 V10 mm500 A5.5 J1800 pF- 55 C to + 85 C Bulk Za     
V320LS40CP


Varistors 320V 462~558 850V 10KA Through Hole RoHS
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Littelfuse 2132
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AUD 0.8409
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Mov 320 VAC850 V20 mm9 kA  - 55 C to + 85 CRadialReel Ls     
V39MA2A


Varistors 25V 40A 250pF
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Littelfuse 2128
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AUD 0.6059
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Mov28 V22 V86 V3 mm40 A0.16 J250 pF- 55 C to + 85 CAxialBulk Ma  - 55 C+ 85 C 
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