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
  
                      
TMOV20RP150E


Varistors THERMALLY PROTECTED VARISTOR 20MM
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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 : 1758
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USD 1.2765
Multiples of: 1

MOV200 VDC150 VAC395 V20 mm10 kA120 J1600 pF RadialBulk TMOVPCB Mount264 V- 55 C+ 85 C 
Hot B72220S0421K101


Varistors 8KA Through Hole RoHS
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TDK Availability : 521
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USD 0.1924
Multiples of: 1

   1.12 kV20 mm  420 pF- 40 C to + 85 C Bulk   680 V   
Hot VE1206K121R035


Varistors 45V 120A 1206 AEC-Q200
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Kemet Availability : 519
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USD 0.0083
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MLV45 VDC35 VAC92 V-120 A600 mJ400 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)VEPCB Mount56 V- 55 C+ 150 CAEC - Q200
RL4032A271K


455V 225V 175V 243V~297V 4032 Varistors ROHS
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Ruilongyuan Availability : 519
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USD 0.0751
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   455 V          243 V ~ 297 V   
ERZ-V14D180


Varistors 18V 1000A ZNR SUR ABSORBER 14MM
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Panasonic Availability : 519
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USD 0.1639
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Mov14 V11 V36 V14 mm2 kA4.3 J0.025 uF- 40 C to + 85 CRadial  V 18 V- 40 C+ 85 C 
FTR14D221K


360V 180V 140V 198V~242V Plugin Varistors ROHS
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FTR Availability : 518
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USD 0.048
Multiples of: 5

   360 V          198 V ~ 242 V   
Hot VE1206K201R017


Varistors 22V 200A 1206 AEC-Q200
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Kemet Availability : 517
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USD 0.0356
Multiples of: 1

Mlv22 VDC17 VAC46 V 200 A700 Mj740 pF Smd/SmtCut Tape1206 (3216 METRIC)Ve 27 V- 55 C+ 150 CAec - Q200
SDVL4532SD260PTHS142


65V 26V 3.6J 3000pF@1kHz 18.4V 35V 1400A 1812 Varistors ROHS
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Sunlord Availability : 517
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USD 0.3592
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   65 V          35 V   
B72225S4171K101


Varistors 175VAC 10% 25mm SuperioR
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TDK Availability : 515
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USD 3.2058
Multiples of: 1

Mov225 VDC175 VAC  20 kA245 J2.9 nF- 40 C to + 85 CRadialBulk Superior S25 270 V- 40 C+ 85 C 
ERZ-V07D391CS


Varistors ZNR Transient/Surge Absorbers Type D
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Panasonic Availability : 513
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USD 0.1054
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MOV320 VDC250 VAC650 V7 mm1.75 kA35 J130 pF Radial  VPCB Mount390 V- 40 C+ 85 C 
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