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
  
                      
B72207S2251K101


Varistors Varistor S07K250E2
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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 : 4144
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USD 0.0966
Multiples of: 1

Mov320 V250 V 7 mm1.75 kA25 J - 45 C to + 85 C Bulk Advanced  - 40 C+ 105 C 
D6521ZOV500RA42


MOV - Standard, 20mm, 50VAC, 10000A Imax (aka 01-2905)
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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.

Maida Availability : 4124
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USD 0.4566
Multiples of: 250

          -       
VZ10D101KBS


Var MOV 60VAC/85VDC 2500A 110V 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.

World Products Availability : 4122
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USD 0.1604
Multiples of: 100

          -       
Hot VDRS07H250BSE


Var MOV 250VAC/320VDC 1200A 390V Radial Bulk
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Vishay Availability : 4122
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USD 0.2054
Multiples of: 1

MOV320 VDC250 VAC650 V9 mm1.2 kA33 J160 pF RadialBulk VDRSPCB Mount390 V- 40 C+ 85 C 
V14E30P


Littelfuse Varistors 30Vrms 4kA 6000pF 14mm Disc
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Littelfuse Availability : 4117
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USD 0.3381
Multiples of: 1

Mov38 V30 V93 V 4000 A60 J6000 pF- 40 C to + 85 CRadialBulk Lv Ultramov 47 V- 40 C+ 85 C 
MOV-07D511KTR


Varistors 100pF 510volts 10%
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Bourns Availability : 4113
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USD 0.075
Multiples of: 1

MOV561 VDC320 VAC845 V7 mm1.2 kA30 J100 pF RadialReel , Cut Tape MOV - 07DxxxKPCB Mount510 V- 40 C+ 85 C 
Hot B72205S2151K101


Varistors Varistor S05K150E2
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TDK Availability : 4112
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USD 0.0811
Multiples of: 1

Mov200 V150 VAC 5 mm800 A7.5 J90 pF- 40 C to + 85 C Bulk Advanced  - 40 C+ 105 C 
V150LA2PX2855


Varistors RADIAL VARISTOR 07MM ROHS / LEAD FREE
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Littelfuse Availability : 4111
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USD 0.1938
Multiples of: 1

Mov200 V150 V395 V7 mm1200 A13 J150 pF- 55 C to + 85 CRadialBulk La 268 V- 55 C+ 85 C 
FTR10D431K


710V 350V 275V 387V~473V Plugin Varistors ROHS
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FTR Availability : 4083
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USD 0.0287
Multiples of: 10

   710 V          387 V ~ 473 V   
MOV-14D621K


Var MOV 385VAC/505VDC 4500A 620V Thru-Hole Radial Bulk
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Bourns Availability : 4074
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USD 0.1814
Multiples of: 100

MOV620 VDC385 VAC1.025 kV14 mm4.5 kA125 J320 pF RadialBulk MOV - 14DxxxKPCB Mount620 V- 40 C+ 85 C 
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