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
  
                      
911KD10J


1.5kV 745V 550V 910V 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.

Liown Availability : 296
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USD 0.0692
Multiples of: 5

   1.5 kV          910 V   
B72220Q0131K101


Varistors Varistor Q20K130
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TDK Availability : 295
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USD 0.6989
Multiples of: 1

MOV170 VDC130 VAC340 V22.5 mm15 kA100 J1950 pF RadialBulk B72220QPCB Mount205 V- 40 C+ 105 C 
Hot TMOV20RP750E


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse Availability : 295
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USD 1.1701
Multiples of: 1

Mov825 VDC625 VAC1.98 kV20 mm10 kA480 J175 pF RadialBulk Tmov 1 kV- 55 C+ 85 C 
B72240B151K1


EPCOS TDK Varistors 150V RMS 40MM Varistor B40K150
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TDK Availability : 292
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USD 20.8265
Multiples of: 1

Mov200 VDC150 VAC395 V32 mm40 kA360 J4800 pF- 40 C to + 85 CScrewBulk Highe 240 VDC- 40 C+ 105 C 
STE10D821K1EN0FSB0R0


Varistors 670V 820 (738~902) 1355V 2.5KA Through Hole,P=7.5mm 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.

Songtian Availability : 291
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USD 0.0548
Multiples of: 5

   1355 V          738 V ~ 902 V   
561KH10J


Varistors Through Hole RoHS
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Yageo Availability : 291
Ship by Wed. 21 Aug to Mon. 26 Aug Calender.png

USD 0.056
Multiples of: 5

MOV460 VDC350 VAC925 V10 mm3.5 kA92 J180 pF RadialBulk 10HThrough Hole560 V- 40 C+ 125 C 
220KD05


Varistors Through Hole RoHS
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Yageo Availability : 291
Ship by Wed. 21 Aug to Mon. 26 Aug Calender.png

USD 0.0207
Multiples of: 20

MOV18 VDC14 VAC48 V5 mm100 A500 mJ1150 pF RadialBulk 05DPCB Mount22 V- 40 C+ 105 C 
681KD10J-TB


Varistors 680V 3.5KA MOV Disc 10mm
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Yageo Availability : 291
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USD 0.0597
Multiples of: 5

                  
D73ZOV600RA02


MOV - Standard, 7mm, 50VAC, 1750A Imax (aka 01-1240)
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Maida Availability : 291
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USD 0.0797
Multiples of: 500

          -       
821KD10


Varistors 670V 1355V 2.5KA Through Hole 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 : 281
Ship by Wed. 21 Aug to Mon. 26 Aug Calender.png

USD 0.0427
Multiples of: 10

MOV670 VDC510 VAC1.355 kV10 mm2.5 kA85 J120 pF RadialBulk 10DPCB Mount820 V- 40 C+ 105 C 
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