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
  
                      
MOVGT07V240K


Varistors MOVGT - MOV & GDT Combination, 7 mm disc size, 240 V MCOV
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Eaton Availability : 1649
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USD 0.3743
Multiples of: 1

MOV, GDT        AxialBulk MOVGT     
V33MLA1206A


V33MLA1206A LOOSE STOCK VARISTOR
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Littelfuse Availability : 1649
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USD 0.4117
Multiples of: 1

Mlv18 VDC14 VAC44 V 500 A2.5 J1440 pF- 55 C to + 125 CSmd/SmtBulk1206 (3216 METRIC)Mla     
V20P17PL1T7


Varistors 17V 20mm Phenolic UltraMOV
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Littelfuse Availability : 1649
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USD 0.5106
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MOV22 VDC17 VAC53 V20 mm8 kA35 J0.01875 uF RadialReel , Cut Tape LV UltraMOVPCB Mount27 V   
VC2220K102R035


Varistors 45V 1000A 2220 AEC-Q200
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Kemet Availability : 1649
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USD 0.6086
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MLV45 VDC35 VAC90 V-1000 A7.6 J3000 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)VCPCB Mount56 V- 55 C+ 125 CAEC - Q200
RM14D241KD1IECW0


Varistors 200V 240 (216~264) 395V 4.5KA Through Hole,P=7.5mm RoHS
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Dersonic Availability : 1647
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USD 0.0721
Multiples of: 5

   395 V          -   
681KH10J-FTB


Varistors 680V 3.5KA MOV Disc 10mm
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Yageo Availability : 1647
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USD 0.1406
Multiples of: 1

MOV560 VDC420 VAC1120 V10 mm3.5 kA98 J150 pF RadialBulk 10HThrough Hole680 V- 40 C+ 125 C 
Hot V14E25P


Littelfuse Varistors 25Vrms 4kA 7000pF 14mm Disc
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Littelfuse Availability : 1647
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USD 0.299
Multiples of: 1

MOV31 VDC25 VAC77 V14 mm4 kA25 J6200 pF RadialBulk LV UltraMOVPCB Mount39 V- 40 C+ 85 C 
VCAS121048H101DP


Varistors 34VAC 48VDC 1.2J 500pF 62 V 100V
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Kyocera AVX Availability : 1646
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USD 0.5272
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MLV48 VDC34 VAC100 V-250 A1.2 J500 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)VCASPCB Mount62 V- 55 C+ 125 CAEC - Q200
VDRH20X230BSE


Vishay BC Components Varistors 230volts 20mm
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Vishay Availability : 1643
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USD 1.2368
Multiples of: 1

MOV300 VDC230 VAC595 V23 mm10000 A255 J1100 pF RadialBulk VDRHPCB Mount360 V- 40 C+ 125 C 
TVR10471KSW


Varistors Through Hole RoHS
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TKS Availability : 1640
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USD 0.058
Multiples of: 5

   775 V          423 V ~ 517 V   
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