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
  
                      
VCAS060318A400RP


Varistors 13VAC 18VDC 0.1J 150pF 25.5 V 42V
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Kyocera AVX 108640
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AUD 0.1744
Multiples of: 4000

Mlv18 V13 V42 V 30 A0.1 J150 pF Smd/SmtReel0603 (1608 METRIC)Vcas 25.5 V- 55 C+ 125 C 
HEL-10D471K


Varistors 470V 775V 2.5KA Through Hole RoHS
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Hongzhi 106218
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AUD 0.0413
Multiples of: 10

   775 V          423 V ~ 517 V   
B72530T400K62


Var MOV 40VAC/56VDC 250A 68V 1210 SMD Blister T/R
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TDK 102820
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AUD 0.3024
Multiples of: 2000

Mlv56 V40 V110 V 250 A2300 Mj500 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Standard 68 V- 55 C+ 125 C 
V10E275P


Varistors 275Vrms 3500A 200pF 10mm Disc
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Littelfuse 99274
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AUD 0.2412
Multiples of: 1

MOV350 VDC275 VAC710 V10 mm3.5 kA55 J200 pF RadialBulk UltraMOVPCB Mount473 V- 55 C+ 85 C 
7D471K


Varistors 385V 775V 1.2KA Through Hole RoHS
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Hongzhi 98870
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AUD 0.0262
Multiples of: 20

   775 V          423 V ~ 517 V   
V150LA1P


430V 200V 150V 250V Plugin Varistors ROHS
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Littelfuse 97646
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AUD 0.1022
Multiples of: 1

MOV200 VDC150 VAC430 V7 mm1.2 kA13 J150 pF RadialBulk LAPCB Mount212 V to 284 V- 55 C+ 85 C 
VC0603K300R020


Varistors 26V 30A 0603 AEC-Q200
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Kemet 94863
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AUD 0.0867
Multiples of: 1

MLV26 VDC20 VAC54 V-30 A300 mJ175 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCPCB Mount33 V- 55 C+ 125 CAEC - Q200
14D471K


Varistors 385V 775V 4.5KA Through Hole RoHS
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Ruilongyuan 93932
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AUD 0.0916
Multiples of: 5

   775 V          470 (423 ~ 517)   
B72660M0300K072


Varistors 30V 250A 1200pF Varistor CU4032K30G2
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TDK 93120
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AUD 0.6448
Multiples of: 1000

MLV38 VDC30 VAC93 V-250 A2 J1200 pF SMD/SMTBlister Pack CU StandardPCB Mount47 V- 40 C+ 85 C 
Hot VC120626D580DP


Varistors 18VAC 26VDC 0.4J 500pF 34.5 V 60V
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Kyocera AVX 87300
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AUD 0.2592
Multiples of: 1000

Mlv26 VDC18 VAC60 V 120 A400 Mj500 pF Smd/SmtCut Tape1206 (3216 METRIC)Vc 34.5 V- 55 C+ 125 C 
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