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.
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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
  
                      
B72220S3271K101


EPCOS TDK Varistors Varistor S20K275E3
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TDK 4386
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AUD 1.1919
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  275 V       Bulk Superior S25  - 40 C+ 105 C 
VA100003D100DL


Varistors 2.3VAC 3.3VDC 0.4J 4700pF 5 V 12V
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Kyocera AVX 2250
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AUD 0.614
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MLV3.3 VDC2.3 VAC12 V2.54 mm150 A400 mJ4700 pF AxialCut Tape VAPCB Mount5 V- 55 C+ 125 C 
221KD14


Varistors 180V 220 (198~242) 360V 6.5KA Through Hole RoHS
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Yageo 339
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AUD 0.1066
Multiples of: 5

MOV180 VDC140 VAC360 V14 mm4.5 kA60 J  RadialBulk 14DPCB Mount220 V- 40 C+ 105 C 
VZ10D330KBS


Var MOV 20VAC/26VDC 500A 36V Radial Bulk
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World Products 337
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AUD 0.2108
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          -       
MOV-14D331KTR


Varistors 330volts 14mm
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Bourns 336
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AUD 0.2167
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Mov330 VDC 550 V14 mm4.5 kA85 J610 pF- 40 C to + 85 C Reel Mov - 14Dxxxk  - 40 C+ 85 C 
ERZ-VGED471


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic 334
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AUD 0.5002
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MOV385 VDC300 VAC775 V14 mm6 kA85 J400 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
20D621KJ


1.025kV 390J 505V 385V 10kA Radial Leaded,P=10mm Varistors ROHS
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SURGING 331
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AUD 0.2465
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VDRS10P150BSE


Varistors 150volts 13 5mm
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Vishay 321
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AUD 0.5287
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Mov200 V150 V400 V13.5 mm2.5 kA36 J490 pF- 40 C to + 85 CRadialBulk Vdrs..E 240 V- 40 C+ 85 C 
GMOV-20D650K


Varistors 65VRMS 70J 185V-CLAMP
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Bourns 23
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AUD 1.471
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MOV85 VDC65 VAC-23 mm10 kA70 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
GMOV-14D251K


Varistors 250VRMS 140J 675V-CLAMP
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Bourns 13
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AUD 1.3216
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MOV320 VDC250 VAC-16.5 mm6 kA140 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
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