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
  
                      
SDV1005E5R5C500NPTF


Varistors 5.5V 10~14 18V 10A 0402 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.

Sunlord Availability : 2672
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USD 0.0035
Multiples of: 100

   18 V          10 V ~ 14 V   
B72530T6400K062


Varistors 1210 58VDC 2000pF 1000A
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TDK Availability : 2672
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USD 0.3914
Multiples of: 1

MLV58 VDC40 VAC110 V-1000 A4000 mJ2000 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)High SurgePCB Mount72 V- 55 C+ 125 C 
B72210S0151K101


Varistors 150volts 2500A
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TDK Availability : 2669
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USD 0.126
Multiples of: 1

   395 V10 mm  350 pF- 40 C to + 85 C Bulk   240 V   
FTR07D390KJ


77V 31V 25V 35V~43V Plugin Varistors ROHS
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FTR Availability : 2667
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USD 0.0253
Multiples of: 10

   77 V          35 V ~ 43 V   
B72214S2321K151


Varistors 320vrms 14mm StdCrmp,S14K320E2G5
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TDK Availability : 2667
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USD 0.2399
Multiples of: 1

MOV420 VDC320 VAC840 V15.5 mm6000 A136 J280 pF RadialReel , Cut Tape B722xxS2PCB Mount510 V- 40 C+ 105 C 
MOV-20D181KTR


Varistors 180volts 20mm
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Bourns Availability : 2667
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USD 0.2557
Multiples of: 250

Mov180 VDC 300 V20 mm4.5 kA50 J1100 pF- 40 C to + 85 C Bulk Mov - 20Dxxxk     
B72220S2251K101


Var MOV 250VAC/320VDC 10000A 390V Radial Bulk
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TDK Availability : 2667
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USD 0.4737
Multiples of: 1

MOV320 VDC250 VAC650 V21.5 mm1 kA195 J940 pF RadialBulk B722xxS2PCB Mount390 V- 40 C+ 105 C 
391KD07-F


Varistors 390V 1.2KA MOV Disc 7mm
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Yageo Availability : 2665
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USD 0.0473
Multiples of: 1

MOV320 VDC250 VAC650 V7 mm1.2 kA26 J130 pF RadialBulk 05DThrough Hole390 V- 40 C+ 105 C 
2322-593-53006


38V 250A 7MM VDR RADIAL LEAD VARISTOR
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Vishay Availability : 2664
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USD 3.4811
Multiples of: 1

 38 V30 V47 V   1600 pF          
ERZ-VF2M220


Varistors ZNR Transient/Surge Absorbers SMD Mold
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Panasonic Availability : 2571
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USD 0.6354
Multiples of: 1

 18 VDC14 VAC43 V  900 Mj - 40 C to + 85 CSmd/SmtCut Tape   22 V- 40 C+ 85 C 
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