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 V510LA80BP


675V 510V 799V - Varistors 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.

Littelfuse Availability : 351
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USD 0.4063
Multiples of: 1

Mov675 V510 V1.28 kV20 mm6.5 kA190 J500 pF- 55 C to + 85 CRadialBulk La 735 v to 860 V   
820541406


Wurth Electronics Varistors WE-VD 14mm Disc 11960pF 1000A 18VDC
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Wurth Availability : 350
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USD 0.6565
Multiples of: 1

 18 VDC14 VAC43 V14 mm1 kA5.4 J11960 pF- 40 C to + 85 CRadialReel We - Vd 22 VDC- 40 C+ 85 C 
STE14D271K1EQ0FQT0R0


Varistors 225V 270 (243~297) 455V 6KA Through Hole,P=7.5MM RoHS
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Songtian Availability : 349
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USD 0.1007
Multiples of: 5

   455 V          243 V ~ 297 V   
VG181226P570DP


Varistors 23VAC 26VDC 3J 3000pF 35 V 57V
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Kyocera AVX Availability : 348
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USD 0.5612
Multiples of: 1

Mlv26 VDC23 VAC57 V-600 A3 J3000 pF- 55 C to + 125 CSmd/SmtReel1812 (4532 METRIC)Vg 35 V- 55 C+ 125 C 
10D681K


Varistors 560V 1120V 2.5KA Through Hole RoHS
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Ruilongyuan Availability : 346
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USD 0.0462
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   1120 V          612 V ~ 748 V   
VDR-20D471KJ6.5


Plugin,P=10mm Varistors ROHS
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VDR Availability : 345
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USD 0.1559
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FTR10D560KJ


110V 45V 35V 50V~62V Plugin Varistors ROHS
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FTR Availability : 344
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USD 0.0441
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   110 V          50 V ~ 62 V   
820KS34


Varistors 82V 40KA MOV Disc Sq uare 34mm
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Yageo Availability : 344
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USD 3.9661
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MOV65 VDC50 VAC135 V34 mm40 kA156 J0.01795 uF ScrewBulk 34SChassis Mount82 V- 40 C+ 85 C 
B72240L0461K102


Varistors Varistor LS40K460QPK2
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TDK Availability : 344
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USD 12.3093
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  460 VAC      Screw/Solder TerminalBulk Highe Ls40Terminal Mount - 40 C+ 105 C 
S6678ZOV551RA690


MOV - Low Profile, 25mm Sqr, 550VAC, 15000A Imax (aka 01-1386)
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Maida Availability : 342
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USD 2.0883
Multiples of: 10

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