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
  
                      
Hot V47CH8T


Varistors 30V 100A 650pF 7 Inch Reel
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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 : 6756
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USD 0.6912
Multiples of: 1

MOV38 VDC30 VAC92 V-100 A1.2 J800 pF SMD/SMTReel , Cut Tape3220 (8552 METRIC)CHPCB Mount47 V- 55 C+ 125 C 
TMOV20RP275M


Varistors THERMALLY PROTECTED VARISTOR 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.

Littelfuse Availability : 6624
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USD 1.173
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Mov 275 VAC710 V20 mm10 kA 900 pF RadialBulk Itmov  - 55 C+ 85 C 
Hot V22ZA1P


Varistors 14 VAC .9J 43V-CLAMP 250A-PK
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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 : 6455
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USD 0.0546
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   43 V22 mm  1600 pF- 55 C to + 85 C Bulk   22 V   
V12ZS05P


Var MOV 6VAC/8VDC 50A 16V Radial Automotive T/R
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Littelfuse Availability : 6420
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USD 0.1733
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MOV8 VDC6 VAC37 V5 mm50 A 1200 pF RadialReel ZAPCB Mount - 55 C+ 85 C 
V14E14AUTO


Varistors 14V 14mm Straight Epoxy
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Littelfuse Availability : 6366
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USD 0.38
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Mov16 V14 V43 V9 mm10 A10 J0.0102 uF- 40 C to + 85 CRadialBulk Aumov 22 V- 40 C+ 85 CAec - Q200
V9MLA0603NH


Varistors 9V 20A 120pF
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Littelfuse Availability : 6364
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USD 0.1587
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MLV9 VDC6.5 VAC25.5 V-30 A100 mJ490 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)MLAPCB Mount11 V- 55 C+ 125 C 
Hot V230LA4P


595V 300V 230V 360V Plugin Varistors ROHS
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Littelfuse Availability : 6254
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USD 0.0525
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   595 V7 mm  100 pF- 55 C to + 85 C Bulk   360 V   
V10E275


Var MOV 275VAC/350VDC 3500A 473V Radial Bulk
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Littelfuse Availability : 6061
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USD 0.7938
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V10E35P


Littelfuse Varistors 35Vrms 2kA 2100pF 10mm Disc
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Littelfuse Availability : 5949
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USD 0.2265
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MOV45 VDC35 VAC110 V10 mm2 kA20 J2200 pF RadialBulk LV UltraMOVPCB Mount56 V- 40 C+ 85 C 
Hot V25S320P


Varistors 320VAC 540J 825V CLAMP 22KAPK 25MM
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Littelfuse Availability : 5663
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USD 1.4443
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Mov420 V320 V825 V25 mm22 kA540 J1350 pF- 55 C to + 85 C Bulk 25S  - 55 C+ 85 C 
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