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
  
                      
V100RA8


Var MOV 60VAC/81VDC 1200A 100V Radial Automotive Bulk
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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 : 575
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USD 2.886
Multiples of: 1

MOV81 VDC60 VAC165 V11.45 mm1.2 kA 400 pF RadialBulk RA8PCB Mount - 55 C+ 125 C 
VZ14D471KBS-N


Var MOV 300VAC/385VDC 4500A 517V Radial Bulk
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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.

World Products Availability : 574
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USD 0.2194
Multiples of: 300

          -       
B72225S4151K101


Varistors Varistor S25K150E4R12
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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 : 574
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USD 2.0815
Multiples of: 1

  150 VAC       Bulk Superior S25  - 40 C+ 105 C 
FPV160808G260PKT


63V 26V 18.4V 36V 0603 Varistors ROHS
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Fenghua Advanced Availability : 573
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USD 0.0083
Multiples of: 50

   63 V          36 V   
7D561K


925V 30J 460V 350V 1.2kA Radial Leaded,P=5mm 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.

SURGING Availability : 573
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USD 0.0152
Multiples of: 20

                  
Hot V150LT5P


240 V 2.5 kA Varistor 1 Circuit Through Hole Disc 10mm
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Littelfuse Availability : 572
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USD 0.1823
Multiples of: 1

MOV200 VDC150 VAC395 V10 mm2.5 kA25 J360 pF RadialReel , Cut Tape LAPCB Mount264 V- 55 C+ 85 C 
ERZE14A751S1


Varistor: ceramics; THT; 460VAC; 615VDC; 750V; 7.5kA
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Panasonic Availability : 572
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USD 0.2351
Multiples of: 1

MOV615 VDC460 VAC1240 V17.5 mm7.5 kA420 J530 pF RadialBulk ERZ - E - S1PCB Mount750 V- 40 C+ 125 C 
TND20V-431KB00AAA0


745V 350V 275V 430V Plugin Varistors ROHS
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Chemi-Con Availability : 572
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USD 0.5311
Multiples of: 1

   745 V          430 V   
IsoM8-250-B-L2


Varistors IsoMOV 8KA 250Vrms Bulk In-Line
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Bourns Availability : 572
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USD 0.9363
Multiples of: 1

MOV320 VDC250 VAC675 V23 mm250 A-50 pF RadialBulk IsoM8Through Hole-- 40 C+ 125 C 
CVQ150K20BL1


Varistors CVQ 150Vrms 20mm Bulk L1
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Bourns Availability : 571
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USD 0.7357
Multiples of: 1

MOV200 VDC150 VAC395 V22.5 mm12 kA185 J1600 pF Radial  CVQThrough Hole240 V- 40 C+ 85 C 
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