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
  
                      
B72214-S 681-K101


Var MOV 680VAC/895VDC 4500A 1100V Radial Automotive Bulk
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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 : 402
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USD 0.4125
Multiples of: 1

                  
Hot V33ZA2P


Varistors 20 VAC 3J 65V-CLAMP 500A-PK
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Littelfuse Availability : 400
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USD 0.1998
Multiples of: 1

Mov26 V20 V64 V10 mm500 A3 J2700 pF- 55 C to + 85 CRadialBulk Za  - 55 C+ 85 C 
V10E250P


Littelfuse Varistors 250Vrms 3500A 220pF 10mm Disc
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Littelfuse Availability : 400
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USD 0.2197
Multiples of: 1

Mov320 VDC250 VAC650 V10 mm3.5 kA50 J220 pF- 55 C to + 85 CRadialBulk Lv Ultramov 429 VDC- 55 C+ 85 C 
B72214S0400K551


Varistors 40VAC 10% 14mm StandarD
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TDK Availability : 400
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USD 0.2362
Multiples of: 1

Mov56 VDC40 VAC135 V14 mm1 kA13 J3550 pF RadialCut Tape Standardd 68 VDC- 40 C+ 105 C 
VCR-10D391KAB


250VAC RMS 10MM 2500A 60.0J RADIAL LEAD VARISTOR
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Hitano Availability : 399
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USD 0.0418
Multiples of: 1

--------- -       
JVRS9S221KRF


360V 0.4W 450pF@1kHz 20J 180V 140V 220V 2.5kA 4032 Varistors ROHS
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KNSCHA Availability : 399
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USD 0.0743
Multiples of: 5

   360 V          220 V   
14D301K


Varistors 250V 500V 4.5KA Through Hole RoHS
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Ruilongyuan Availability : 397
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USD 0.0707
Multiples of: 5

   500 V              
D6521ZOV141RA20


MOV - Standard, 20mm, 140VAC, 12000A Imax (aka 01-1039)
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Maida Availability : 397
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USD 0.2954
Multiples of: 250

          -       
7D511KJ


845V 45J 100pF@1kHz 415V 320V 459V~561V 1.75kA Radial Leaded,P=5mm Varistors ROHS
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SURGING Availability : 395
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USD 0.0151
Multiples of: 20

                  
ERZ-E14A561


Varistors 14mm D type 560volts 10KA 382J 700pF
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Panasonic Availability : 201
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USD 0.4738
Multiples of: 1

 450 V350 V930 V 10 kA382 J700 pF- 40 C to + 85 C Bulk E14 560 V- 40 C+ 85 C 
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