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
  
                      
V150SM7


Varistors SURFACE MOUNT SM7 VARISTORS
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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 : 569
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USD 1.2019
Multiples of: 1

MOV200 VDC150 VAC395 V-1.2 kA13 J150 pF SMD/SMTReel , Cut Tape SM7PCB Mount268 V- 40 C+ 85 C 
STE05D180K1BN0FSB0R0


Varistors 14V 40V 100A Through Hole,P=5.0mm 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 : 568
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USD 0.0326
Multiples of: 10

   40 V          15 V ~ 21.6 V   
VCR-07D431KAB


275VAC RMS 7MM 1200A 28.0J RADIAL LEAD VARISTOR
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Hitano Availability : 567
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USD 0.0299
Multiples of: 1

          -       
MOV-10D390K


Varistors 2400pF 39volts 10%
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Bourns Availability : 567
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USD 0.1035
Multiples of: 1

 43 V 77 V10 mm500 A4.6 J2400 pF- 40 C to + 85 C Bulk Mov - 10Dxxxk  - 40 C+ 85 C 
ERZ-V14D911


Varistors 910V 4500A ZNR SUR ABSORBER 14MM
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Panasonic Availability : 567
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USD 0.4302
Multiples of: 1

Mov745 V550 V1.5 kV14 mm5 kA 250 pF- 40 C to + 85 CRadial  V 910 V- 40 C+ 85 C 
B72220P3351K101


Varistors 350VAC 10% 20mm SuperioR MP
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TDK Availability : 567
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USD 0.6492
Multiples of: 1

          Bulk Superior - Mp  - 40 C+ 105 C 
RM10D301KD1IECW0


Varistors 250V 300 (270~330) 500V 2.5KA Through Hole,P=7.5mm RoHS
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Dersonic Availability : 566
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USD 0.0335
Multiples of: 10

   500 V          -   
471KD53


Varistors 470V 70KA MOV Disc 53mm
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Yageo Availability : 566
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USD 9.135
Multiples of: 1

MOV385 VDC300 VAC775 V53 mm70 kA1080 J6500 pF ScrewBulk 53DChassis Mount470 V- 40 C+ 85 C 
VDR-14D331K


Varistors 275V 330 (297~363) 550V 4.5KA 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.

VDR Availability : 564
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USD 0.0588
Multiples of: 5

   550 V          297 V ~ 363 V   
TMOV14RP550E


Varistors Thermally Protected 14MM
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Littelfuse Availability : 563
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USD 1.3691
Multiples of: 1

MOV715 VDC550 VAC1.355 kV14 mm6 kA190 J180 pF RadialBulk TMOVPCB Mount1001 V- 55 C+ 85 C 
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