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
  
                      
B72220U2321K501


Varistors SNF Leaded Varistor 320V 20mm 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.

TDK Availability : 1223
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USD 0.4775
Multiples of: 1

Mov420 VDC320 VAC840 V23.5 mm10 kA273 J720 pF RadialBulk Snf Advanced 510 V- 40 C+ 125 C 
WMR07D471KG2AW


Plugin,P=5 Varistors ROHS
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WMEC Availability : 1222
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USD 0.0483
Multiples of: 5

                  
V14H510PL2B


Varistors 510V 6500A 200pF 14mm Radial
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Littelfuse Availability : 1221
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USD 0.5234
Multiples of: 1

Mov670 VDC510 VAC1.355 kV14 mm6.5 kA205 J200 pF RadialBulk Hmov 902 VDC- 55 C+ 125 C 
10D751K


Varistors 615V 1240V 2.5KA Through Hole RoHS
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Hongzhi Availability : 1218
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USD 0.0369
Multiples of: 10

   1240 V          675 V ~ 825 V   
TVR07301AFABF


500V 21J 250V 195V 300V~330V 1.2kA Radial Leaded Varistors ROHS
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TKS Availability : 1216
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USD 0.0514
Multiples of: 5

   500 V          300 V ~ 330 V   
ERZ-E10A681


Varistors 680volts 4500A 10mm Straight Leads
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Panasonic Availability : 1215
Ship by Fri. 02 Aug to Thu. 08 Aug Calender.png

USD 0.1558
Multiples of: 50

MOV560 VDC420 VAC1.025 kV12.5 mm4.5 kA133 J260 pF RadialBulk ERZ - E10PCB Mount680 V- 40 C+ 85 C 
NVD14UCD039


Varistors 39Volt 14mm
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KOA Speer Availability : 1215
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USD 0.2775
Multiples of: 1

Mov31 V25 V77 V14 mm1 kA9.4 J - 40 C to + 125 CRadialReel Nvd 39 V- 40 C+ 85 CAec - Q200
V07E35P


Littelfuse Varistors 35Vrms 1kA 1100pF 7mm Disc
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Littelfuse Availability : 1214
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USD 0.2155
Multiples of: 1

MOV45 VDC35 VAC110 V7 mm1 kA9 J1200 pF RadialBulk LV UltraMOVPCB Mount56 V- 40 C+ 85 C 
ZVR07D271KL6C5A0


455V 225V 175V 270V Plugin,P=5mm 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.

South HongMing Availability : 1213
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USD 0.0243
Multiples of: 10

   455 V          270 V   
V20E11P


Littelfuse Varistors 11Vrms 8kA 22000pF 20mm Disc
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Littelfuse Availability : 393
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USD 0.4337
Multiples of: 1

Mov14 VDC11 VAC36 V20 mm8000 A25 J0.026 uF- 40 C to + 85 CRadialBulk-Lv Ultramov 18 VDC- 40 C+ 85 C 
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