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
  
                      
Hot V660LA50AP


1820V 850V 660V 1.08kV Plugin 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.

Littelfuse Availability : 11488
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USD 0.5024
Multiples of: 1

   1.82 kV14 mm  200 pF- 55 C to + 85 C Bulk   1050 V   
JVR10N391K


Varistor: metal-oxide; THT; 250VAC; 320VDC; 390V; ±10%; 2.5kA; 60J
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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.

Joyin Availability : 11466
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USD 0.063
Multiples of: 1

              390 V   
RL1210A470K


125V 38V 30V 45.6V~57V 1210 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 : 11457
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USD 0.1489
Multiples of: 5

   125 V          45.6 V ~ 57 V   
CV1-275K-20-B


Var MOV 275VAC/350VDC 6500A 430V 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.

Stackpole Availability : 11446
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USD 1.1227
Multiples of: 1

          -       
B72207S0750K111


EPCOS TDK Varistors 75vrms 7mm StdCrimp Varistor S07K75G
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TDK Availability : 11411
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USD 0.1125
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Mov100 VDC75 VAC200 V7 mm1.2 kA5.9 J430 pF- 40 C to + 85 CRadialReel B722 120 VDC- 40 C+ 105 C 
FTR14D471K


Varistors 385V 775V 4.5KA Through Hole,P=7.5mm RoHS
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FTR Availability : 11398
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USD 0.0568
Multiples of: 5

   775 V          423 V ~ 517 V   
AVLC18S02015


Varistors 18V 24~32 45V 5A 0402 RoHS
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AMOTECH Availability : 11348
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USD 0.0105
Multiples of: 50

   45 V              
07D470K


Varistors 38V 104V 250A Through Hole RoHS
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COV Availability : 11301
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USD 0.0214
Multiples of: 10

   104 V              
FTR20D471K


Varistors 385V 775V 6.5KA Through Hole,P=10mm RoHS
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FTR Availability : 11301
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USD 0.1057
Multiples of: 5

   775 V          -   
EZJ-P0V080MA


Varistors 8V 20A MULTILAYER VARISTOR
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Panasonic Availability : 11257
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USD 0.0828
Multiples of: 1

MLV5.6 VDC---20 A-420 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)EZJ - PPCB Mount8 V- 40 C+ 85 CAEC - Q200
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