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
  
                      
RL3220A181K


315V SMD,8.2x5.1mm 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.

Ruilongyuan Availability : 485
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USD 0.5926
Multiples of: 1

   315 V              
V26MLA1206A


V26MLA1206A SEMICONDUCTORS T/HOLE
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Littelfuse Availability : 485
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USD 0.6427
Multiples of: 1

Mlv26 VDC     1040 pF- 55 C to + 125 CSmd/SmtBulk1206 (3216 METRIC)Mla     
B72220P3251K101


Varistors 250VAC 10% 20mm SuperioR MP
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TDK Availability : 485
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USD 0.6821
Multiples of: 1

MOV320 VDC250 VAC650 V22.5 mm12000 A255 J1300 pF RadialBulk B72220PPCB Mount390 V- 40 C+ 105 C 
820545111


Wurth Electronics Varistors WE-VD 14mm Disc 250pF 4500A 670VDC
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Wurth Availability : 485
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USD 0.6955
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 670 VDC510 VAC1.355 kV14 mm4.5 kA188 J250 pF- 40 C to + 125 CRadialReel We - Vd 820 VDC- 40 C+ 125 C 
TVZ20EBN431KBS


Var MOV 275VAC/350VDC 10000A 473V Radial Bulk
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World Products Availability : 485
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USD 0.7366
Multiples of: 20

          -       
TVZ20EBN241KBS


Var MOV 150VAC/200VDC 10000A 264V Radial Bulk
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World Products Availability : 485
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USD 0.7366
Multiples of: 20

          -       
820423211


Wurth Electronics Varistors WE-VD 20mm Disc 760pF 10000A 418VDC
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Wurth Availability : 485
Ship by Mon. 12 Aug to Wed. 14 Aug Calender.png

USD 0.885
Multiples of: 500

 418 VDC320 VAC842 V20 mm10 kA382 J760 pF- 40 C to + 125 CRadialReel We - Vd 510 VDC- 40 C+ 125 C 
TVZ20EBN911KBS


Var MOV 550VAC/745VDC 10000A 1001V Radial Bulk
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World Products Availability : 485
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USD 1.1171
Multiples of: 10

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V175SM7


Varistors SURFACE MOUNT SM7 VARISTORS
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Littelfuse Availability : 485
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USD 1.2019
Multiples of: 1

          Reel Sm7     
TVZ25DBN271KBS


Var MOV 180VAC/230VDC 18000A 311V Radial 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.

World Products Availability : 485
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USD 1.3569
Multiples of: 1

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