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
  
                      
B72540T6300K62


EPCOS TDK Varistors High Surge MLV Max Op VRMS 30
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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 : 1306
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USD 1.4418
Multiples of: 1

MLV38 VDC30 VAC77 V-5 kA15 J0.01 uF SMD/SMTReel , Cut Tape2220 (5750 METRIC)Surge ProtectionPCB Mount47 V- 55 C+ 125 C 
V130LA20BPX2855


Littelfuse Varistors 20MM Radial
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Littelfuse Availability : 1303
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USD 0.51
Multiples of: 1

 202 VDC 325 V      Bulk La     
RM20D112KE1IE100


1.815kV 383J 360pF@1kHz 895V 680V 100A Radial Leaded 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.

Dersonic Availability : 1301
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USD 0.1905
Multiples of: 1

                  
2322-593-12316


230V 1200A 7MM =V250LA4P RADIAL LEAD VARISTOR
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Vishay Availability : 1301
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USD 1.4654
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Mlv-------- 55 C to + 85 C Bulk       
20D821K


Varistors 670V 1355V 6.5KA Plugin RoHS
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Ruilongyuan Availability : 1300
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USD 0.1942
Multiples of: 5

   1355 V              
FNR-07K471T


Plugin,P=5mm Varistors ROHS
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Fenghua Advanced Availability : 1299
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USD 0.0278
Multiples of: 10

                  
B72225T4271K101


Varistors 275VAC 375J 710V-CLAMP 20KA-P
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TDK Availability : 1299
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USD 1.5386
Multiples of: 1

MOV350 VDC275 VAC710 V-20 kA375 J945 pF SMD/SMTBulk AdvanceD ETFV25PCB Mount430 V- 40 C+ 105 C 
B72660M0141K072


EPCOS TDK Varistors 140V 1200A 180pF Varistor
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TDK Availability : 1298
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USD 0.4525
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  140 VAC       Reel Cu Standard     
07D220K


Varistors 18V 43V 250A Through Hole RoHS
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Ruilongyuan Availability : 1289
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USD 0.0283
Multiples of: 10

   43 V              
Hot MOV-14D560K


Varistors 56volts 14mm
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Bourns Availability : 1272
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USD 0.1371
Multiples of: 1

MOV56 VDC35 VAC110 V14 mm1 kA11 J3600 pF RadialBulk MOV - 14DxxxKPCB Mount56 V- 40 C+ 85 C 
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