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 V20E320P


Littelfuse Varistors 320Vrms 10kA 750pF 20mm 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 Availability : 12075
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USD 0.2795
Multiples of: 1

MOV420 VDC320 VAC840 V20 mm10 kA273 J750 pF RadialBulk UltraMOVPCB Mount459 V to 561 V- 55 C+ 85 C 
Hot V14E420P


Varistors 420Vrms 6kA 300pF 14mm Disc
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Littelfuse Availability : 11830
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USD 0.2311
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Mov560 V420 V1.12 kV14 mm6 kA160 J300 pF- 55 C to + 85 CRadialBulk   612 v to 748 V   
V3.5MLA1206NH


Littelfuse Varistors 3.5V 100A 6000pF
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Littelfuse Availability : 11654
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USD 0.607
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Mlv3.5 VDC 13 V   6000 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Mla  - 55 C+ 125 C 
V120CH8


Varistors 75V 250A 300pF 13 Inch Reel
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Littelfuse Availability : 11493
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USD 0.6279
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Mov102 V75 V200 V 250 A2 J300 pF- 55 C to + 125 CSmd/SmtReel3220Ch 120 V- 55 C+ 125 C 
Hot V660LA50AP


1820V 850V 660V 1.08kV Plugin Varistors ROHS
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Littelfuse Availability : 11488
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USD 0.5024
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   1.82 kV14 mm  200 pF- 55 C to + 85 C Bulk   1050 V   
V20E460P


Varistors 460Vrms 10kA 400pF 20mm Disc
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Littelfuse Availability : 11462
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USD 0.4692
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Mov615 V460 V1.24 kV20 mm10 kA 400 pF- 55 C to + 85 CRadialBulk       
V12MLA0805LNHAUTO


Littelfuse Varistors MLV SMF FOR AUTO 12V 0.1J 410pF
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Littelfuse Availability : 11159
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USD 0.2024
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MLV12 VDC9 VAC29 V-40 A100 mJ410 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)MLA AUTOPCB Mount14 V- 55 C+ 125 CAEC - Q200
V47ZS05P


Varistors 30V 100A 400pF
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Littelfuse Availability : 11021
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USD 0.1668
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MOV38 VDC30 VAC93 V5 mm100 A400 mJ400 pF RadialReel , Cut Tape ZAPCB Mount42.3 V- 55 C+ 85 C 
V56ZA20PX10


Varistors 20MM Radial
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Littelfuse Availability : 10670
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USD 0.403
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 45 VDC 110 V      Bulk ZA     
Hot V18ZA1P


Varistors 10 VAC .8J 36V-CLAMP 250A-PK
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Littelfuse Availability : 10442
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USD 0.0664
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   36 V7 mm  2000 pF- 55 C to + 85 C Bulk   18 V   
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