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
  
                      
B72210S0300K151


EPCOS TDK Varistors Varistor S10K30G5
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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 : 1687
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USD 0.1696
Multiples of: 1

Mov38 VDC30 VAC93 V12 mm500 A4.4 J2750 pF- 40 C to + 85 CRadialReel B722 47 VDC- 40 C+ 105 C 
V120ZC6P


Varistors 4500A 75V 1700pF
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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 : 1687
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USD 0.2709
Multiples of: 1

Mov102 VDC75 VAC210 V14 mm4.5 kA 1700 pF- 55 C to + 85 CRadialBulk Za     
MOVS4032V300


Varistors 300 VAC, 810 V CLAMP, 1200 PEA
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Eaton Availability : 1684
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USD 0.4495
Multiples of: 1

MOV670 VDC300 VAC775 V-1200 A-- SMD/SMTReel , Cut Tape4032MOVS4032SMD/SMT517 V- 40 C+ 85 C 
14D820K


Varistors 65V 135V 4.5KA Through Hole RoHS
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Hongzhi Availability : 1681
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USD 0.0554
Multiples of: 5

   135 V          74 V ~ 90 V   
B72542V0350K062


Varistors 34 VDC 12J 77V-CLMP1200A
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TDK Availability : 1681
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USD 0.8626
Multiples of: 1

MLV45 VDC35 VAC90 V-1000 A7.7 J2500 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)CTPCB Mount56 V- 55 C+ 125 C 
ERZ-V05D101


Varistors 100V 600A ZNR SUR ABSORBER 5MM
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Panasonic Availability : 1678
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USD 0.0925
Multiples of: 1

Mov85 V60 V175 V5 mm800 A4 J400 pF- 40 C to + 85 CRadial  V 100 V- 40 C+ 85 C 
VA1812K801R030


Varistors 34V 800A 1812 AEC-Q200
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Kemet Availability : 1674
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USD 0.4253
Multiples of: 1

MLV34 VDC30 VAC77 V-800 A3.8 J2200 pF SMD/SMTReel , Cut Tape1812 (4732 METRIC)VAPCB Mount47 V- 55 C+ 125 CAEC - Q200
FTR20D470K


93V 38V 30V 42V~52V Plugin Varistors ROHS
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FTR Availability : 1671
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USD 0.14
Multiples of: 5

   93 V          42 V ~ 52 V   
MOV-20D241K


Bourns Varistors 240votls 20mm
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Bourns Availability : 1671
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USD 0.234
Multiples of: 1

MOV240 VDC150 VAC395 V20 mm4.5 kA63 J830 pF RadialBulk MOV - 20DxxxKPCB Mount240 V- 40 C+ 85 C 
Hot V230LA20CP


Littelfuse Varistors 230V pF
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Littelfuse Availability : 1664
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USD 0.3485
Multiples of: 1

Mov230 V230 V595 V14 mm6 kA  - 55 C to + 85 CRadialBulk La     
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