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
  
                      
TVZ20EBN391KBS


Var MOV 250VAC/320VDC 10000A 429V 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 : 600
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USD 0.7366
Multiples of: 20

          -       
V130LA20C


VARISTOR RADIAL C III SERIES 20MM PKG 13
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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 : 598
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USD 1.0854
Multiples of: 1

          -       
SV275K10BL1


Varistors SV 275Vrms 10mm Bulk L1
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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.

Bourns Availability : 596
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USD 0.2463
Multiples of: 1

MOV350 VDC275 VAC680 V12 mm3500 A97 J350 pF Radial  SVThrough Hole430 V- 40 C+ 85 C 
ERZ-C14DK361U


ERZ-C14DK361U
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Panasonic Availability : 596
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USD 2.9126
Multiples of: 1

          -       
LST3207VL2NT1


VARISTOR SPD 320V 75KA SURGE
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Littelfuse Availability : 596
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USD 21.3019
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VDRS14T510BSE


Varistors 510volts 17mm
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Vishay Availability : 593
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USD 0.6639
Multiples of: 1

Mov670 V510 V1355 V17 mm4.5 kA145 J220 pF- 40 C to + 85 CRadialBulk Vdrs..E 820 V- 40 C+ 85 C 
5D180


Varistors 14V 18 (16~20) 40V 100A Through Hole RoHS
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Hongzhi Availability : 592
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USD 0.0098
Multiples of: 1

   40 V          16 V ~ 20 V   
Hot ERZ-E05F221


Varistors ERZ-E 5mm 220V T&R ZNR Surge Absorber
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Panasonic Availability : 591
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USD 0.0866
Multiples of: 1

Mov180 V140 V360 V7 mm1.2 kA14 J190 pF- 40 C to + 85 C Reel Erz - E 220 V   
RL1210A271K


475V 225V 175V 243V~297V 1210 Varistors ROHS
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Ruilongyuan Availability : 591
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USD 0.1277
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   475 V          243 V ~ 297 V   
Hot V14E385P


Littelfuse Varistors 385Vrms 6kA 360pF 14mm Disc
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Littelfuse Availability : 591
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USD 0.263
Multiples of: 1

MOV505 VDC385 VAC1.025 kV14 mm6 kA150 J360 pF RadialBulk UltraMOVPCB Mount682 V- 55 C+ 85 C 
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