About Varistors

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.

Varistors

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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
  
                      
V14E23P


Littelfuse Varistors 23Vrms 4kA 8000pF 14mm Disc
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 1091
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USD 0.3116
Multiples of: 1

Mov28 VDC23 VAC71 V14 mm4000 A23 J7000 pF- 40 C to + 85 CRadialBulk-Lv Ultramov 36 VDC- 40 C+ 85 C 
181KD10


300V 0.4W 27J 560pF@1kHz 150V 115V 180V 2.5kA Radial Leaded Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Liown Availability : 1090
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USD 0.0326
Multiples of: 10

   300 V          180 V   
MOV-10D511K


Var MOV 320VAC/415VDC 2500A 510V Thru-Hole Radial Bulk
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Bourns Availability : 1090
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USD 0.0803
Multiples of: 1

 561 V 845 V10 mm2.5 kA70 J200 pF- 40 C to + 85 C Bulk Mov - 10Dxxxk  - 40 C+ 85 C 
820576001


Wurth Electronics Varistors WE-VD 7mm Disc 540pF 1200A 85VDC
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Wurth Availability : 1089
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USD 0.4919
Multiples of: 1

 85 VDC60 VAC165 V7 mm1.2 kA7 J540 pF- 40 C to + 85 CRadialReel We - Vd 100 VDC- 40 C+ 85 C 
B72210S0111K101


Varistors 115volts 2500A
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TDK Availability : 1087
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USD 0.1311
Multiples of: 1

   300 V10 mm  445 pF- 40 C to + 85 C Bulk   180 V   
RM20D621KE1IE100


1.025kV 1W 224J 650pF@1kHz 505V 385V 620V 4.5kA Radial Leaded,P=10mm Varistors ROHS
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Dersonic Availability : 1087
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USD 0.1715
Multiples of: 5

                  
D6599ZOV391RA150


MOV - Standard Series - 20mm, 390VAC, 10000A Imax
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Maida Availability : 1086
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USD 0.4067
Multiples of: 1

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VDR-10D151K


Varistors 125V 250V 2.5KA Through Hole RoHS
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VDR Availability : 1085
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USD 0.0364
Multiples of: 10

   250 V          135 V ~ 165 V   
MOVS4032V275


Varistors 275 VAC, 745 V CLAMP, 1200 PEA
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Eaton Availability : 1085
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USD 0.4495
Multiples of: 1

MOV670 VDC275 VAC710 V-1200 A-- SMD/SMTReel , Cut Tape4032MOVS4032SMD/SMT473 V- 40 C+ 85 C 
820412711


Varistors WE-VD High Surge 10mm 275Vrms Type 5
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Wurth Availability : 1077
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USD 0.4269
Multiples of: 1

MOV350 VDC275 VAC710 V12.5 mm3500 A80 J190 pF RadialReel , Cut Tape WE - VDPCB Mount430 V- 40 C+ 85 C 
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