About Varistors

Littelfuse 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
  
                      
V05E40P


Littelfuse Varistors 40Vrms 500A 400pF 5mm Disc
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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 4642
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AUD 0.2373
Multiples of: 1

MOV56 VDC40 VAC135 V5 mm500 A5 J500 pF RadialBulk LV UltraMOVPCB Mount68 V- 40 C+ 85 C 
V10E460P


Varistors 460V 10mm Epoxy UltraMOV
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Littelfuse 4636
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AUD 0.4673
Multiples of: 1

Mov615 VDC460 VAC1.24 kV10 mm3.5 kA 120 pF RadialBulk Ultramov  - 55 C+ 85 C 
V18MLA0603NHAUTO


Varistors MLV SMF FOR AUTO 18V 0.1J 120pF
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Littelfuse 4542
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AUD 0.2442
Multiples of: 1

MLV18 VDC14 VAC50 V-30 A100 mJ120 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)MLA AUTOPCB Mount28 V- 55 C+ 125 CAEC - Q200
030549FB


V22ZA3 MOV 12VAC-RMS 3.
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Littelfuse 4534
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AUD 0.398
Multiples of: 1

Mov18 VDC14 VAC43 V14 mm1 kA4 J9000 pF- 55 C to + 85 CRadialBulk Za 18.7 VDC to 26 VDC   
Hot V250LA10P


650V 351V~429V Plugin Varistors ROHS
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Littelfuse 4484
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AUD 0.1163
Multiples of: 1

Mov330 VDC250 VAC650 V10 mm2.5 kA40 J220 pF RadialBulk La 354 v to 429 V- 55 C+ 85 C 
V20E275PL1T7


Var MOV 275VAC/350VDC 10000A 473V Radial T/R
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Littelfuse 4481
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AUD 0.4875
Multiples of: 1

                  
V22ZA2


VARISTOR RADIAL 10MM PKG 18V DC /2J/500
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Littelfuse 4415
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AUD 0.458
Multiples of: 1

          -       
V07E250


Var MOV 250VAC/320VDC 1750A 429V Radial Bulk
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Littelfuse 4376
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AUD 0.676
Multiples of: 1

          -       
V07X320E


Varistors 320VAC 50J 845V-CL 2.5KA-PK
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Littelfuse 4369
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AUD 0.1957
Multiples of: 1

MOV410 VDC320 VAC845 V9 mm2.5 kA50 J130 pF RadialBulk XtremePCB Mount510 V- 40 C+ 125 C 
Hot V82ZT2P


Varistors 1200A 500pF
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Littelfuse 4365
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AUD 0.1
Multiples of: 1

MOV68 VDC50 VAC135 V7 mm1.2 kA4 J500 pF RadialReel , Cut Tape ZAPCB Mount90.2 V- 55 C+ 85 C 
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