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 MOV-07D121K


Varistors 420pF 120volts 10%
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Bourns Availability : 602
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USD 0.0087

Multiples of: 1

MOV132 VDC75 VAC200 V7 mm1.2 kA7.8 J420 pF RadialBulk MOV - 07DxxxKPCB Mount120 V- 40 C+ 85 C 
FTR07D621KJ


1.025kV 505V 385V 558V~682V Plugin Varistors ROHS
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FTR Availability : 601
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USD 0.0204

Multiples of: 20

   1.025 kV          558 V ~ 682 V   
STE07D301K1BQ0FST0R0


Varistors 250V 300 (270~330) 500V 1.2KA Through Hole,P=5mm RoHS
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Songtian Availability : 601
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USD 0.0244

Multiples of: 10

   500 V          270 V ~ 330 V   
TVZ20EBN391KBS


Var MOV 250VAC/320VDC 10000A 429V Radial Bulk
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World Products Availability : 600
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USD 0.76

Multiples of: 20

          -       
V130LA20C


VARISTOR RADIAL C III SERIES 20MM PKG 13
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Littelfuse Availability : 598
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USD 1.005

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          -       
ERZ-V14D270


Var 17VAC/22VDC 2000A 27V Radial Bulk
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Panasonic Availability : 597
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USD 0.1895

Multiples of: 1

Mov22 V17 V53 V14 mm2 kA7.8 J0.016 uF- 40 C to + 85 CRadialBulk V 27 V- 40 C+ 85 C 
ERZ-C14DK361U


ERZ-C14DK361U
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Panasonic Availability : 596
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USD 2.9126

Multiples of: 1

          -       
ERZ-V20D330


Var 20VAC/26VDC 3000A 33V Radial Bulk
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Panasonic Availability : 594
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USD 0.5973

Multiples of: 1

Mov26 V20 V65 V20 mm3 A24 J0.02 uF- 40 C to + 85 CRadialBulk V 33 V- 40 C+ 85 C 
Hot ERZ-E05F221


Varistors ERZ-E 5mm 220V T&R ZNR Surge Absorber
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Panasonic Availability : 591
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USD 0.0866

Multiples of: 1

Mov180 V140 V360 V7 mm1.2 kA14 J190 pF- 40 C to + 85 C Reel Erz - E 220 V   
RL1210A271K


475V 225V 175V 243V~297V 1210 Varistors ROHS
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Ruilongyuan Availability : 591
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USD 0.1295

Multiples of: 1

   475 V          243 V ~ 297 V   
MOVTP20V275T


Varistors MOVTP, 20 mm, 275 Vac
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Eaton Availability : 591
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USD 1.2479

Multiples of: 1

MOV350 VDC275 VAC710 V23.5 mm10000 A270 J- Through HoleBulk MOVTPThrough Hole473 V- 40 C+ 105 C 
B72225S4251K101


Varistors Varistor S25K250E4R12
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TDK Availability : 590
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USD 2.2656

Multiples of: 1

  250 VAC      RadialBulk Superior S25Pcb Mount - 40 C+ 105 C 
MG042L18V500DP


Varistors 14VAC 18VDC 0.02J 40pF 28V 50V
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Kyocera AVX Availability : 588
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USD 0.2937

Multiples of: 1

 18 V14 V50 V 15 A0.02 J40 pF- 55 C to + 125 CSmd/SmtReel0405 (1013 METRIC)Mg 28 V- 55 C+ 125 C 
V20E385PL1B7


Varistors 385V 20mm Epoxy UltraMOV
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Littelfuse Availability : 587
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USD 0.303

Multiples of: 1

Mov505 VDC385 VAC1.025 kV20 mm10 kA300 J700 pF RadialBulk Ultramov 558 v to 682 V- 55 C+ 85 C 
VGAS222016Y400DP


Varistors 11VAC 16VDC 7.2J 13000pF 24.5 V 42V
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Kyocera AVX Availability : 586
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USD 0.9716

Multiples of: 1

Mlv16 VDC11 VAC42 V-1500 A7.2 J13000 pF- 55 C to + 125 CSmd/SmtReel2220 (5750 METRIC)Vgas 24.5 V- 55 C+ 125 C 
911KD20J


Varistors 910V 10KA MOV Disc 20mm
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Yageo Availability : 585
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USD 0.1675

Multiples of: 5

MOV745 VDC550 VAC1500 V20 mm10 kA510 J440 pF Through HoleBulk 20DPCB Mount910 V- 40 C+ 105 C 
561KK14


DIP Varistors ROHS
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Yageo Availability : 582
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USD 0.0776

Multiples of: 5

                  
511KH14J-TR


Varistors Through Hole,P=7.5mm RoHS
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Yageo Availability : 582
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USD 0.1002

Multiples of: 5

MOV415 VDC320 VAC845 V14 mm6 kA180 J390 pF RadialReel , Cut Tape 14HThrough Hole510 V- 40 C+ 125 C 
RL1812A240K


54V 1812 Varistors ROHS
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Ruilongyuan Availability : 582
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USD 0.2041

Multiples of: 5

   54 V              
471KD20


Varistors MOV Disc 20mm470V 6.5KA
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Yageo Availability : 582
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USD 0.2255

Multiples of: 1

MOV385 VDC300 VAC775 V20 mm6.5 kA204 J850 pF RadialBulk 20DPCB Mount470 V- 40 C+ 105 C 
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