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
  
                      
FNR-07K390


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.

Fenghua Advanced Availability : 999
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USD 0.0322
Multiples of: 10

                  
820553811


Varistors WE-VD 5mm Disc 45pF 400A 505VDC
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Wurth Availability : 999
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USD 0.4167
Multiples of: 1

MOV505 VDC385 VAC1.05 kV5 mm400 A20.5 J45 pF RadialReel , Cut Tape WE - VDPCB Mount620 V- 40 C+ 125 C 
V175LA2


VARISTOR RADIAL 7MM PKG 175V AC /15J/12
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Littelfuse Availability : 999
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USD 0.4366
Multiples of: 1

          -       
Hot V20E175P


Varistors 175Vrms 10kA 1400pF 20mm Disc
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Littelfuse Availability : 997
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USD 0.3775
Multiples of: 1

Mov225 V175 V455 V20 mm10 kA135 J1400 pF- 55 C to + 85 CRadialBulk Ultramov 243 v to 297 V- 55 C+ 85 C 
820573001


Varistors Disk Varistor Standard WE-VD
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Wurth Availability : 995
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USD 0.4951
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B72210S461K101


Varistors Through Hole RoHS
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TDK Availability : 994
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USD 0.0878
Multiples of: 5

   -          -   
511KD14


Varistors 415V 845V 4.5KA Through Hole RoHS
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Yageo Availability : 993
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USD 0.0749
Multiples of: 5

MOV415 VDC320 VAC845 V14 mm4.5 kA121 J390 pF RadialBulk 14DPCB Mount510 V- 40 C+ 105 C 
560KD14


Varistors 45V 110V 1KA Through Hole RoHS
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Yageo Availability : 993
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USD 0.0853
Multiples of: 5

   110 V          50 V ~ 62 V   
MOV-20D820K


Var MOV 50VAC/65VDC 6500A 82V Thru-Hole Radial Bulk
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Bourns Availability : 993
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USD 0.234
Multiples of: 1

MOV82 VDC50 VAC135 V20 mm4.5 kA22 J2400 pF RadialBulk MOV - 20DxxxKPCB Mount82 V- 40 C+ 85 C 
TVR14561K5ARU62W


930V 125J 450V 350V 504V~616V 4.5kA Radial Leaded Varistors ROHS
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TKS Availability : 991
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USD 0.145
Multiples of: 1

   930 V          504 V ~ 616 V   
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