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
  
                      
MOV-20D621K


Varistors 620volts 20mm
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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 : 3641
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USD 0.3832
Multiples of: 1

MOV620 VDC385 VAC1.025 kV20 mm4.5 kA125 J320 pF RadialBulk MOV - 20DxxxKPCB Mount620 V- 40 C+ 85 C 
07D560K


Varistors 45V 110V 250A Through Hole RoHS
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Ruilongyuan Availability : 3640
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USD 0.0259
Multiples of: 10

   110 V          50 V ~ 62 V   
82550200


Wurth Electronics Varistors WE-VS SMD 0805 350pF 100A 26VDC
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Wurth Availability : 3640
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USD 0.545
Multiples of: 1

MOV26 VDC20 VAC54 V-100 A300 mJ350 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)WE - VSPCB Mount33 V- 40 C+ 85 C 
V460LA10P


Varistors 460V 45pF
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Littelfuse Availability : 3639
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USD 0.3037
Multiples of: 1

          Bulk       
MOV-14D180K


Varistors 18volts 14mm
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Bourns Availability : 3638
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USD 0.1587
Multiples of: 1

Mov18 V 36 V14 mm1 kA4 J11100 pF- 40 C to + 85 C Bulk Mov - 14Dxxxk  - 40 C+ 85 C 
B72660M481K72


Varistors 480V 1000A 40J CU4032K480G2
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TDK Availability : 3637
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USD 0.36
Multiples of: 1

 640 V480 V  1000 A40 J - 40 C to + 85 C Reel Cu Standard  - 40 C+ 85 C 
RM10D821KD2IE100


1.355kV 0.4W 120pF@1kHz 670V 85J 510V 820V 1250A Radial Leaded,P=7.5mm 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.

Dersonic Availability : 3631
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USD 0.0486
Multiples of: 5

   1.355 kV          820 V   
RM14D162KD1IE100


2.64kV 1.28kV 910V 1.6kV Plugin
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Dersonic Availability : 3624
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USD 0.1918
Multiples of: 5

   2.64 kV          1.6 kV   
RL0603E005M100K


Varistors 5V 0603 RoHS
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Ruilongyuan Availability : 3621
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USD 0.0196
Multiples of: 10

   -              
FPV160808G140PKT


0603 Varistors ROHS
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Fenghua Advanced Availability : 3618
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USD 0.0099
Multiples of: 50

                  
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