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
  
                      
Hot MOV-14D241K


Var MOV 150VAC/200VDC 4500A 240V Thru-Hole Radial Bulk
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Bourns Availability : 8541
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USD 0.0949
Multiples of: 800

MOV240 VDC150 VAC395 V14 mm4.5 kA63 J830 pF RadialBulk MOV - 14DxxxKPCB Mount240 V- 40 C+ 85 C 
CVQ275K14BL1


Varistors CV+ 275 K 14 B L1
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Bourns Availability : 8523
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USD 0.3346
Multiples of: 1

MOV350 VDC275 VAC710 V16.5 mm6 kA170 J530 pF Radial  CVQThrough Hole430 V- 40 C+ 85 C 
EZJ-P0V420WM


Varistors 1%, 1mA, 42V, 56pf 0402,.5MM THICKNESS
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Panasonic Availability : 8506
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USD 0.0688
Multiples of: 1

MLV30 VDC---6 A-47 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)EZJP - MPCB Mount42 V- 55 C+ 150 CAEC - Q200
V56ZA2PX2855


Varistors 07MM Radial
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Littelfuse Availability : 8503
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USD 0.1455
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          Bulk Za     
B72310S0271K101


Varistors 10mm, 275Vac, 10%, Compact Series
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TDK Availability : 8487
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USD 0.1312
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MOV350 VDC275 VAC710 V 2.5 A43 J220 pF RadialBulk SIOV - S10KPCB Mount430 V- 40 C+ 105 C 
Hot B72207S0231K101


Varistors 230volts 1200A
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TDK Availability : 8462
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USD 0.0884
Multiples of: 1

MOV300 VDC230 VAC595 V7 mm1.2 kA17 J115 pF RadialBulk StandardDPCB Mount360 V- 40 C+ 105 C 
201KD05-TR


Varistors 200V 0.4KA MOV Disc 5mm
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Yageo Availability : 8456
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USD 0.0488
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MOV170 VDC130 VAC355 V5 mm0.4 kA6.5 J125 pF RadialReel , Cut Tape 05DThrough Hole200 V- 40 C+ 105 C 
ZV35K1206121NIR1HT


Varistors ZV 35V 10%
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Bourns Availability : 8440
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USD 0.1115
Multiples of: 1

MLV45 VDC35 VAC90 V-120 A0.6 J400 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)ZVHTPCB Mount56 V- 55 C+ 125 C 
MOV-20D391K


Var MOV 250VAC/320VDC 6500A 390V Thru-Hole Radial Bulk
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Bourns Availability : 8439
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USD 0.2588
Multiples of: 1

Mov390 V 650 V20 mm4.5 kA100 J510 pF- 40 C to + 85 C Bulk       
AVRH10C270KT350NA8


Varistors 1x0.5mm 0402 High Reliability
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TDK Availability : 8410
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USD 0.05
Multiples of: 1

MLV19 VDC-52 V-8 A20 mJ35 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)AVRHPCB Mount27 V- 55 C+ 150 CAEC - Q200
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