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
  
                      
511KD10J-Z2C3.5


Plugin,P=7.5mm 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.

Yageo Availability : 421
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USD 0.0556

Multiples of: 5

                  
ZVR10D471KL837A2J


300V 470V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 421
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USD 0.0571

Multiples of: 5

   775 V          470 V   
VC121085S151DP


Varistors Work Vol. 85V Capac. 275
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Kyocera AVX Availability : 421
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USD 0.2816

Multiples of: 1

Mlv85 V60 V150 V 250 A2 J275 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Vc 100 V- 55 C+ 125 C 
B72230M0551M401


Varistors 550V 25kA 10% 4pin 30mm
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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 : 421
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USD 8.1052

Multiples of: 1

MOV750 VDC499 VAC2150 V-25 kA750 J900 pF RadialTray MT30PCB Mount910 V- 40 C+ 85 C 
05D180L


38V 0.4J 1400pF@1kHz 14V 10V 15V~21V 100A Radial Leaded Varistors ROHS
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SEMBO Availability : 420
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USD 0.0302

Multiples of: 10

                  
VDRH20X115BSE


Varistors 115volts 100AA
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Vishay Availability : 420
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USD 1.3448

Multiples of: 1

Mov150 VDC115 VAC300 V22.5 mm10000 A130 J2640 pF RadialBulk Vdrh 180 VDC- 40 C+ 125 C 
TNR9G431KT31


Varistors
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Chemi-Con Availability : 420
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USD 0.1781

Multiples of: 1

                  
ERZ-V09V431CS


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 420
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USD 0.2156

Multiples of: 1

MOV350 VDC275 VAC710 V9 mm3.5 kA80 J270 pF Radial  VPCB Mount430 V- 40 C+ 85 C 
VDRS14T130BSE


Varistors 130volts 17mm
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Vishay Availability : 420
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USD 0.4312

Multiples of: 1

Mov170 V130 V340 V17 mm4.5 kA56 J1050 pF- 40 C to + 85 CRadialBulk Vdrs..E 205 V- 40 C+ 85 C 
VJ14M00200KBA


VARISTOR, 1812, 20 VAC
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Kyocera AVX Availability : 420
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USD 0.7938

Multiples of: 1

       2800 pF- 55 C To + 125 C Cut Tape       
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