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
  
                      
V20E275PL1T7


Var MOV 275VAC/350VDC 10000A 473V Radial T/R
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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 : 4481
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USD 0.3169
Multiples of: 1

                  
B72530T0350K062


Varistors 1210 35V 250A 600pF
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TDK Availability : 4481
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USD 0.3975
Multiples of: 1

   90 V   600 pF- 55 C To + 125 C Cut Tape   56 V   
ZV20K2220122NIR1


Varistors ZV 20V 10%
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Bourns Availability : 4479
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USD 0.4175
Multiples of: 1

MLV26 VDC20 VAC54 V-1.2 kA8 J6500 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)ZVPCB Mount33 V- 55 C+ 125 C 
B72210S2251K101


Varistors Varistor S10K250E2
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TDK Availability : 4470
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USD 0.1661
Multiples of: 1

Mov320 V250 V650 V12 mm3.5 kA50 J245 pF- 40 C to + 85 CRadialBulk Advanced 390 V- 40 C+ 105 C 
B72207S0200K111


Varistors Varistor S07K20G
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TDK Availability : 4468
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USD 0.1114
Multiples of: 1

Mov26 VDC20 VAC65 V7 mm250 A1.3 J1600 pF- 40 C to + 85 CRadialReel B722 33 VDC- 40 C+ 105 C 
COV-07D180KSC200B


Varistors 14V 40V 250A Through Hole RoHS
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COV Availability : 4465
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USD 0.019
Multiples of: 20

   40 V              
B72220S381K101


Var MOV 385VAC/505VDC 8000A 620V Radial Bulk
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TDK Availability : 4460
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USD 0.0892
Multiples of: 1

          Bulk       
NVD14UCD620


KOA Speer Varistors 620Volt 14mm
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KOA Speer Availability : 4460
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USD 0.3775
Multiples of: 1

Mov505 VDC380 VAC1.025 kV14 mm4.5 kA136 J-- 40 C to + 125 CRadialReel Nvd 620 VDC- 40 C+ 85 CAec - Q200
B72542V0250K062


Varistors CN2220K25GK2
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TDK Availability : 4458
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USD 0.89
Multiples of: 1

MLV31 VDC25 VAC65 V-1200 A9.6 J5000 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)CTPCB Mount39 V- 55 C+ 125 C 
STE14D271K1EN0FSB0R0


Varistors 225V 270 (243~297) 455V 4.5KA Through Hole,P=7.5mm RoHS
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Songtian Availability : 4445
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USD 0.069
Multiples of: 5

   455 V          243 V ~ 297 V   
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