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
  
                      
B72225S4421K101


Varistors 560V 20KA Through Hole RoHS
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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.

TDK Availability : 551
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USD 2.415
Multiples of: 1

MOV560 VDC420 VAC1120 V27.5 mm20 kA700 J1150 pF RadialBulk SuperioR S25PCB Mount680 V- 40 C+ 105 C 
ERZ-VEAV471


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 550
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USD 0.2482
Multiples of: 1

MOV385 VDC300 VAC775 V10 mm3.5 kA85 J230 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
AVR-M1005C6R8NT331N


Varistors 0402 6.8volts 330pF 3.5volts
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TDK Availability : 549
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USD 0.0202
Multiples of: 20

MLV3.5 VDC-15 V-24 A8 mJ330 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)AVRPCB Mount6.8 V- 40 C+ 125 CAEC - Q200
151KD07


Varistors 125V 250V 6.5KA Through Hole RoHS
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Yageo Availability : 549
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USD 0.0173
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MOV125 VDC95 VAC260 V7 mm400 A4.1 J330 pF RadialBulk 05DPCB Mount150 V- 40 C+ 105 C 
Hot V150LC10AP


Littelfuse Varistors 150V 800pF
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Littelfuse Availability : 549
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USD 0.183
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MOV200 VDC150 VAC395 V14 mm4.5 kA45 J800 pF RadialBulk LAPCB Mount264 V- 55 C+ 85 C 
B72205S0421K101


Varistors 420volts 400A
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TDK Availability : 546
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USD 0.1193
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Mov560 V420 V1.12 kV5 mm400 A14 J35 pF- 40 C to + 85 CRadialBulk Standardd 680 V- 40 C+ 105 C 
820471511


Varistors WE-VD THT LS=5mm 200VDC 21J 180pF
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Wurth Availability : 545
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USD 0.5208
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MOV200 VDC150 VAC395 V9 mm1.75 kA21 J180 pF Through HoleReel , Cut Tape WE - VDPCB Mount240 V- 40 C+ 85 C 
GMOV-20D231K


Varistors 230VRMS 255J 620V-CLAMP
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Bourns Availability : 545
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USD 1.0056
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MOV300 VDC230 VAC-23 mm10 kA255 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
201KD05


355V 0.1W 125pF@1kHz 170V 6.5J 130V 200V 400A Radial Leaded Varistors ROHS
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Liown Availability : 543
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USD 0.0094
Multiples of: 20

   355 V          200 V   
Hot TMOV20RP550E


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse Availability : 523
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USD 0.673
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MOV715 VDC550 VAC1.5 kV20 mm10 kA360 J300 pF RadialBulk TMOVPCB Mount1001 V- 55 C+ 85 C 
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