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
  
                      
RM20D271KE1IE100


455V 127J 1500pF@1kHz 225V 175V 100A 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.

Dersonic Availability : 2038
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USD 0.112
Multiples of: 5

                  
Hot V300LA2P


870V 405V 300V 490V Plugin Varistors ROHS
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Littelfuse Availability : 2037
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USD 0.0604
Multiples of: 1

MOV405 VDC300 VAC870 V7 mm1.2 kA25 J70 pF RadialBulk LAPCB Mount539 V- 55 C+ 85 C 
MOV-10D271K


Varistors 370pF 270volts 10%
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Bourns Availability : 2037
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USD 0.0736
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MOV297 VDC175 VAC455 V10 mm2.5 kA40 J370 pF RadialBulk MOV - 10DxxxKPCB Mount270 V- 40 C+ 85 C 
ERZ-V09D241


Panasonic Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 2037
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USD 0.1605
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Mov200 VDC150 VAC395 V9 mm3.5 kA 380 pF RadialBulk V 240 VDC   
VDR-14D121KJ


Varistors Through Hole RoHS
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VDR Availability : 2036
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USD 0.0694
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V14H275AUTO


Varistors RADIAL VARISTOR 14MM ROHSLEAD FREE
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Littelfuse Availability : 2030
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USD 0.5658
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 430 VDC 710 V      Bulk Aumov    Aec - Q200
B72207U2271K501


Varistors SNF Leaded Varistor 275V 7mm 10%
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TDK Availability : 2024
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USD 0.0959
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Mov350 VDC275 VAC710 V11 mm1.75 kA27.5 J110 pF RadialBulk Snf Advanced 430 V- 40 C+ 125 C 
VGAH120616K390DP


Varistors 16Vdc 0.6J 40V 1206 AEC-Q200
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Kyocera AVX Availability : 2022
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USD 0.3514
Multiples of: 1

MLV16 VDC11 VAC40 V-200 A600 mJ1100 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)VGAHPCB Mount24.5 V- 55 C+ 150 CAEC - Q200
V250LA20CP


Littelfuse Varistors 250V pF
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Littelfuse Availability : 2007
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USD 0.4968
Multiples of: 1

Mov250 VDC250 VAC650 V14 mm6 kA135 J - 55 C to + 85 CRadialBulk La 429 VDC- 55 C+ 85 C 
Hot V100ZA15PX2855


Littelfuse Varistors RADIAL VARISTOR PB FREE D14
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Littelfuse Availability : 956
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USD 0.2976
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MOV81 VDC60 VAC175 V14 mm4.5 kA20 J2900 pF RadialBulk ZAPCB Mount110 V- 55 C+ 85 C 
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