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.
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Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
820524611


Wurth Electronics Varistors WE-VD 20mm Disc 520pF 6500A 615VDC
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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.

Wurth Availability : 1061
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USD 5.67

Multiples of: 1

 615 VDC460 VAC1.24 kV20 mm6.5 kA360 J520 pF- 40 C to + 125 CRadialAmmo Pack We - Vd 750 VDC- 40 C+ 125 C 
V140LA20C


Var MOV 140VAC 9000A 242V Radial Bulk
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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 : 1057
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USD 1.073

Multiples of: 1

Mov242 V140 V360 V20 mm9 kA 400 pF- 55 C to + 85 CRadialBulk       
20D511K


845V 1W 780pF@1kHz 220J 415V 320V 510V 6.5kA 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.

SURGING Availability : 1053
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USD 0.1248

Multiples of: 1

                  
RM07D511KC12ECW0


Varistors 420V 845V 1.2KA Through Hole,P=5.08mm 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.

Dersonic Availability : 1051
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USD 0.0221

Multiples of: 10

   845 V          -   
Hot V320LA20AP


Var MOV 320VAC/420VDC 4500A 565V Radial Bulk
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Littelfuse Availability : 1050
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USD 0.121

Multiples of: 1

   850 V14 mm  380 pF- 55 C to + 85 C Bulk   510 V   
V20E550P


Varistors 550Vrms 10kA 300pF 20mm 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 : 1050
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USD 0.6354

Multiples of: 1

MOV745 VDC550 VAC1.5 kV20 mm10 kA360 J300 pF RadialBulk UltraMOVPCB Mount819 V to 1.001 kV- 55 C+ 85 C 
MOV-10D361K


Var MOV 230VAC/300VDC 2500A 360V Thru-Hole Radial Bulk
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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.

Bourns Availability : 1047
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USD 0.0868

Multiples of: 1000

 396 V 595 V10 mm2.5 kA47 J280 pF- 40 C to + 85 C Bulk Mov - 10Dxxxk  - 40 C+ 85 C 
B72214S0271K551


EPCOS TDK Varistors Varistor S14K275G5S5
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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.

TDK Availability : 1047
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USD 0.1625

Multiples of: 1

Mov350 VDC275 VAC710 V14 mm4.5 kA71 J440 pF- 40 C to + 85 CRadialReel B722 430 VDC- 40 C+ 105 C 
SDV1005E5R5C700NPTF


Varistors 5.5V 18V 10A 0402 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.

Sunlord Availability : 1045
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USD 0.005

Multiples of: 50

   18 V          10 V ~ 14 V   
ERZ-E11A102SC


Varistors 1000VDC 0.6W 1mA L/S=7.5mm Cut LD
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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.

Panasonic Availability : 1043
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USD 0.3634

Multiples of: 1

MOV825 VDC625 VAC1650 V14 mm5 kA280 J220 pF RadialBulk ERZ - E - S1PCB Mount1000 V- 40 C+ 125 C 
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