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
  
                      
VCAS06AP303R3LAT1A


Varistors 0603, 30Vdc, 0.04J 3.3pF Ant PowerGuard
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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.

Kyocera AVX Availability : 1103
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USD 0.0848
Multiples of: 1

MLV30 VDC21 VAC240 V-3 A40 mJ3.3 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCASPCB Mount150 V- 55 C+ 125 CAEC - Q200
V320LA40BPX10


Varistors RADIAL VARISTOR 20MM ROHS LEAD FREE
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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 : 1101
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USD 0.468
Multiples of: 1

MOV420 VDC320 VAC810 V20 mm6.5 kA150 J750 pF RadialBulk LAPCB Mount540 V- 55 C+ 85 C 
VZ14D431KBS


Var MOV 275VAC/370VDC 4500A 473V 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 : 1099
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USD 0.1979
Multiples of: 1

          -       
MOVTP14V250N


Varistors MOVTP, 14 mm, 250 Vac
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Eaton Availability : 1099
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USD 0.8851
Multiples of: 1

MOV320 VDC250 VAC650 V18.5 mm6000 A154 J- Through HoleBulk MOVTPThrough Hole429 V- 40 C+ 105 C 
VZ14D470KBS-N


Var MOV 30VAC/38VDC 1000A 52V Radial Bulk
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World Products Availability : 1099
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USD 0.2061
Multiples of: 300

          -       
TVR07330KLRBQ01M


Plugin,P=5mm Varistors ROHS
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TKS Availability : 1096
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USD 0.0483
Multiples of: 5

                  
B72205S0151K101


Varistors 150volts 400A
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TDK Availability : 1096
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USD 0.0903
Multiples of: 1

MOV200 VDC150 VAC395 V5 mm400 A4.9 J90 pF RadialBulk StandardDPCB Mount240 V- 40 C+ 105 C 
VDRH14V275BSE


Varistors 6000A 275V Straight Leads
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Vishay Availability : 1094
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USD 0.6796
Multiples of: 1

MOV350 VDC275 VAC710 V16.5 mm6 kA155 J440 pF RadialBulk VDRHPCB Mount420 V- 40 C+ 125 C 
MOV-14D221K


Varistors 220volts 14mm
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Bourns Availability : 1093
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USD 0.0932
Multiples of: 1

MOV220 VDC140 VAC360 V14 mm4.5 kA60 J900 pF RadialBulk MOV - 14DxxxKPCB Mount220 V- 40 C+ 85 C 
RL3225A511K


842V 418V 320V 459V~561V SMD,3.2x2.5mm Varistors ROHS
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Ruilongyuan Availability : 1091
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USD 0.0857
Multiples of: 5

   842 V          459 V ~ 561 V   
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