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
  
                      
CV550K14BL1


Varistors CV 550 K 14 B L1
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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.

Bourns Availability : 9251
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USD 0.36
Multiples of: 1

MOV745 VDC550 VAC1.5 kV16.5 mm4.5 kA264 J290 pF Radial  CVThrough Hole910 V- 40 C+ 85 C 
ZV30K1210301NIR1HT


Varistors ZV 30V 10%
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Bourns Availability : 9219
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USD 0.1587
Multiples of: 1

MLV38 VDC30 VAC77 V-300 A2.1 J850 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVHTPCB Mount47 V- 55 C+ 125 C 
CNR-14D101K


60VAC VARISTOR 7MM PITCH 14DIM RADIAL LEAD VARISTOR
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CNR Availability : 9209
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USD 0.1228
Multiples of: 1

Mlv-------- 55 C to + 85 C Bulk       
ZV50K1210251NIR1HT


Varistors ZV 50V 10%
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Bourns Availability : 9193
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USD 0.1414
Multiples of: 1

MLV65 VDC50 VAC135 V-250 A1.7 J470 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVHTPCB Mount82 V- 55 C+ 125 C 
B72500T7050S160


Varistors CT0603S5ARFG
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TDK Availability : 9156
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USD 0.0736
Multiples of: 1

Mlv5.5 V4 V    0.6 pF- 40 C to + 125 CSolderReel0603 (1608 METRIC)High - Speed 220 V- 40 C+ 125 C 
B72510T300K62


Varistors 0805 30V 80A 200pF CT0805K30G
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TDK Availability : 9143
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USD 0.138
Multiples of: 1

MLV38 VDC30 VAC77 V-80 A300 mJ200 pF SMD/SMTReel , Cut Tape CTPCB Mount47 V- 55 C+ 125 C 
ERZ-V14D431


Varistors NEW SMALLER VERSION 667-ERZ-E11A431
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Panasonic Availability : 9141
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USD 0.2265
Multiples of: 1

Mov350 V275 V710 V14 mm6 kA155 J450 pF- 40 C to + 85 CRadialBulk V 430 V- 40 C+ 85 C 
05D470K


Varistors 38V 104V 100A Through Hole RoHS
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COV Availability : 9132
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USD 0.0252
Multiples of: 10

   104 V          42 V ~ 52 V   
SDV1005E5R5C180NPTF


Varistors 5.5V 10~14 18V 0402 RoHS
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Sunlord Availability : 9079
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USD 0.0032
Multiples of: 100

   18 V          10 V ~ 14 V   
FTR14D391K


Varistors 320V 650V 4.5KA Through Hole,P=7.5mm RoHS
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FTR Availability : 9039
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USD 0.0555
Multiples of: 5

   650 V          351 V ~ 429 V   
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