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
  
                      
RM20D911KE1IE100


1.5kV 1W 440pF@1kHz 3310J 745V 550V 910V 4.5kA Radial Leaded,P=10mm 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.

Dersonic Availability : 1515
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USD 0.2771
Multiples of: 1

   1.5 kV          910 V   
B72220T2321K105


EPCOS TDK Varistors Varistor 20mm320v Varistor 14mm 150v
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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 : 1511
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USD 1.1448
Multiples of: 1

MOV420 VDC320 VAC840 V-10 kA273 J720 pF RadialBulk B72220TPCB Mount510 V- 40 C+ 105 C 
FTR14D331K


550V 275V 210V 297V~363V Plugin Varistors ROHS
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FTR Availability : 1508
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USD 0.0542
Multiples of: 5

   550 V          297 V ~ 363 V   
VCAS060305A150RP


Varistors 5.6VDC 0.1J 0603 18VClamping AEC-Q200
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Kyocera AVX Availability : 1508
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USD 0.0691
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Mlv5.6 VDC4 VAC18 V 30 A100 Mj750 pF- 55 C to + 125 CSmd/SmtReel0603 (1608 METRIC)As Automotive 8.5 V- 55 C+ 125 C 
AMLV22V38C3000


Varistors Surface Mount Automotive MLV, AMLV22, 2220 MLV 38 Vdc
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Eaton Availability : 1508
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USD 1.89
Multiples of: 1

MLV38 VDC30 VAC77 V-1000 A12 J3000 pF SMD/SMTReel , Cut Tape AMLV22PCB Mount51.7 V- 55 C+ 125 C 
14D241K


Varistors 200V 395V 4.5KA Through Hole RoHS
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Ruilongyuan Availability : 1505
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USD 0.0619
Multiples of: 5

   395 V          240 (216 ~ 264)   
FTR07D681K


1.12kV 560V 420V 612V~748V Plugin Varistors ROHS
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FTR Availability : 1503
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USD 0.0188
Multiples of: 20

   1.12 kV          612 V ~ 748 V   
ERZ-E14A361S1


Varistors 360VDC 1W 7500A L/S=10mm Long LD
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Panasonic Availability : 1498
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USD 0.0951
Multiples of: 1

MOV300 VDC230 VAC595 V16.5 mm7.5 kA255 J900 pF RadialBulk ERZ - E - S1PCB Mount360 V- 40 C+ 125 C 
ERZ-V14D221


Varistors ZNR Transient/Surge Absorbers Type D
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Panasonic Availability : 1495
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USD 0.1714
Multiples of: 1

Mov180 V140 V360 V14 mm6 kA78 J740 pF- 40 C to + 85 CRadial  V 220 V- 40 C+ 85 C 
ST3225K431G2


350V 275V 387V~473V SMD,3.2x2.5mm Varistors ROHS
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SLKORMICRO Availability : 1493
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USD 0.0419
Multiples of: 10

              387 V ~ 473 V   
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