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
  
                      
Z10D471


Varistors 470V 2500A 12.5mm
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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.

Semitec Availability : 463
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USD 0.2932
Multiples of: 1

MOV385 VDC300 VAC200 V12.5 mm1.25 kA85 J590 pF RadialBulk Z10DPCB Mount470 V- 40 C+ 85 C 
LST3205VL2NT1


VARISTOR SPD 320V 50KA SURGE
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Littelfuse Availability : 463
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USD 18.6244
Multiples of: 1

          Tray Lst     
Hot B72214S0600K101


Varistors Varistor S14K60
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TDK Availability : 462
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USD 0.1069
Multiples of: 5

   165 V14 mm  3600 pF- 40 C to + 85 C Bulk   100 V   
D6921ZOV400RA12


MOV - Standard, 14mm, 40VAC, 2000A Imax (aka 01-0072)
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Maida Availability : 462
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USD 0.248
Multiples of: 500

          -       
V130LA10CP


Littelfuse Varistors 130V
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Littelfuse Availability : 462
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USD 0.4968
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Mov130 VDC130 VAC340 V14 mm6 kA80 J1000 pF- 55 C to + 85 CRadialBulk La 228 VDC- 55 C+ 85 C 
ZVR10D561KK837F1


925V 468V 356V 560V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 461
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USD 0.0488
Multiples of: 5

   925 V          560 V   
Hot V10P50P


Littelfuse Varistors 50Vrms 500A 10mm Disc
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Littelfuse Availability : 461
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USD 0.2034
Multiples of: 1

MOV68 VDC50 VAC135 V10 mm3.5 kA20 J1400 pF RadialBulk LV UltraMOVPCB Mount82 V- 40 C+ 125 C 
STE10D781K1EN0FSB0R0


Varistors 640V 780 (702~858) 1290V 2.5KA Through Hole,P=7.5mm RoHS
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Songtian Availability : 460
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USD 0.0541
Multiples of: 5

   1290 V          702 V ~ 858 V   
B72220S2141K101


Var MOV 140VAC/180VDC 10000A 220V Radial Bulk
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TDK Availability : 460
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USD 0.4761
Multiples of: 1

MOV180 VDC140 VAC360 V21.5 mm10 kA110 J1240 pF RadialBulk B722xxS2PCB Mount220 V- 40 C+ 105 C 
NVD20UCD820


Varistors 820Volt 20mm
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KOA Speer Availability : 460
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USD 0.9244
Multiples of: 1

Mov670 V510 V1355 V20 mm6.5 kA325 J - 40 C to + 125 CRadialReel Nvd 820 V- 40 C+ 85 CAec - Q200
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