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 V320LA10P


850V 420V 320V 510V Plugin 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.

Littelfuse Availability : 245212
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USD 0.1768
Multiples of: 1

MOV420 VDC320 VAC850 V10 mm2.5 kA25 J170 pF RadialBulk LAPCB Mount561 V- 55 C+ 85 C 
V07E175PL2T5


Varistors 175V 7mm Epoxy UltraMOV
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Littelfuse Availability : 139680
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USD 0.0792
Multiples of: 1

Mov225 VDC175 VAC455 V7 mm1.75 kA17 J130 pF RadialBulk Ultramov 243 v to 297 V- 55 C+ 85 C 
V18AUMLA1206NH


Varistors 18V 1206 125C AUML AEC-Q200 Low Profile
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Littelfuse Availability : 118825
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USD 0.312
Multiples of: 2500

MLV18 VDC-40 V-1.5 A1.5 J- SMD/SMTReel , Cut Tape1206 (3216 METRIC)AUMLPCB Mount23 V- 55 C+ 125 CAEC - Q200
Hot V150LA1P


430V 200V 150V 250V Plugin Varistors ROHS
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Littelfuse Availability : 97646
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USD 0.0664
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MOV200 VDC150 VAC430 V7 mm1.2 kA13 J150 pF RadialBulk LAPCB Mount212 V to 284 V- 55 C+ 85 C 
Hot V18MLE0402NR


Varistors MLV 18V 0402 STD MLE SERIES
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Littelfuse Availability : 87248
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USD 0.0766
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MLV18 VDC 50 V   55 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)MLEPCB Mount - 55 C+ 125 C 
Hot V275LA20AP


710V 369V 275V 430V Plugin Varistors ROHS
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Littelfuse Availability : 79467
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USD 0.1278
Multiples of: 1

MOV369 VDC275 VAC710 V14 mm4.5 kA75 J450 pF RadialBulk LAPCB Mount473 V- 55 C+ 85 C 
V5.5MLA0805LNH


Varistors 5.5VDC .1J 17.5V-CLMP 40A PK
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Littelfuse Availability : 73721
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USD 0.1667
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Mlv5.5 V4 V17.5 V 40 A0.1 J400 pF- 55 C to + 125 CSolderReel0805 (2012 METRIC)Mla 7.1 V- 55 C+ 125 C 
V3.5MLA0805NH


Varistors 3.5V 120A 2530pF
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Littelfuse Availability : 70589
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USD 0.1667
Multiples of: 1

Mlv3.5 V2.5 V13 V 120 A0.3 J2530 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)Mla  - 55 C+ 125 C 
V175LT10CP


Varistors 175V
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Littelfuse Availability : 70567
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USD 0.4145
Multiples of: 1

MOV225 VDC175 VAC455 V14 mm6 kA 700 pF RadialReel , Cut Tape C - IIIPCB Mount - 55 C+ 85 C 
V18AUMLA1812NH


27.5V 5A Varistor 1 Circuit Surface Mount, MLCC 1812 (4532 Metric)
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Littelfuse Availability : 63995
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USD 1.0526
Multiples of: 1000

MLV18 VDC-40 V--6 J- SMD/SMTReel , Cut Tape1812 (4532 METRIC)AUMLPCB Mount32 V- 55 C+ 125 C 
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