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
  
                      
ZV17K0603300NIR1HT


Varistors ZV 17V 10%
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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 : 1473
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USD 0.0535
Multiples of: 1

MLV22 VDC17 VAC44 V-30 A0.3 J185 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)ZVHTPCB Mount27 V- 55 C+ 125 C 
V20P14P


Varistors 14Vrms 8kA 18000pF 20mm Disc
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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 : 1470
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USD 0.51
Multiples of: 1

Mov18 VDC14 VAC43 V20 mm8000 A28 J0.0222 uF- 40 C to + 125 CRadialBulk-Lv Ultramov 22 VDC- 40 C+ 125 C 
ERZ-E08A681


Panasonic Varistors ERZ-E 8mm 680V Bulk ZNR Surge Absorber
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Panasonic Availability : 1467
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USD 0.1254
Multiples of: 1

Mov560 V420 V1.12 kV11.5 mm3.5 kA92 J130 pF- 40 C to + 85 C Bulk Erz - E 680 V- 40 C+ 85 C 
V10H250P


Varistors 250V 3500A 220pF 10mm Radial
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Littelfuse Availability : 1466
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USD 0.3542
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Mov390 VDC250 VAC650 V10 mm3.5 kA65 J220 pF RadialBulk Hmov 429 VDC- 55 C+ 125 C 
ERZ-V20D431


Var 275VAC/350VDC 10000A 430V Radial Bulk
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Panasonic Availability : 1465
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USD 0.9177
Multiples of: 1

MOV350 VDC275 VAC710 V20 mm10 kA303 J1000 pF RadialBulk VPCB Mount430 V- 40 C+ 85 C 
ERZ-E11A391SC


Varistors 390VDC 0.6W 1mA L/S=7.5mm Cut LD
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Panasonic Availability : 1464
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USD 0.2714
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MOV320 VDC250 VAC650 V13 mm6 kA140 J450 pF RadialBulk ERZ - E - S1PCB Mount390 V- 40 C+ 125 C 
S7580ZOV461RA780


Varistor - Square Disc Epoxy Coating - 34mm Square Disk Diameter - Zinc Oxide - 460 VAC.
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Maida Availability : 1461
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USD 7.8449
Multiples of: 1

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ERZ-V05D431


Var 275VAC/350VDC 800A 430V Radial Bulk
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Panasonic Availability : 1460
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USD 0.0914
Multiples of: 1

Mov350 V275 V745 V5 mm800 A13.5 J70 pF- 40 C to + 85 CRadialBulk V 430 V- 40 C+ 85 C 
ERZ-V20D221


Var 140VAC/180VDC 10000A 220V Radial Bulk
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Panasonic Availability : 1452
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USD 0.6302
Multiples of: 1

Mov180 V140 V360 V20 mm10 kA155 J1600 pF- 40 C to + 85 CRadialBulk V 220 V- 40 C+ 85 C 
V175LA20CP


Varistors 175V
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Littelfuse Availability : 1134
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USD 0.5133
Multiples of: 1

MOV175 VDC175 VAC455 V20 mm9 kA220 J- RadialBulk C - IIIPCB Mount297 V- 55 C+ 85 C 
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