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
  
                      
3-ZNR-25N241K-P20.5


Plugin,P=20.5mm Varistors ROHS
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Dersonic 63
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AUD 1.431
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V271HB34


Varistors 275V 40kA 4500pF
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Littelfuse 63
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AUD 14.74
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MOV370 VDC275 VAC730 V34 mm40 kA400 J4500 pF RadialBulk HB34PCB Mount - 55 C+ 85 C 
B72240B381K1


Varistors 385V RMS 40MM Varistor B40K385
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TDK 63
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AUD 30.9414
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MOV505 VDC385 VAC1.025 kV40 mm40 kA800 J1900 pF ScrewBulk HighEChassis Mount620 V- 40 C+ 105 C 
V271DB40


Varistors 275V 40kA 4500pF 40mm Disc
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Littelfuse 63
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AUD 51.5114
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MOV369 VDC275 VAC730 V40 mm40 kA400 J4500 pF SMD/SMTBulk DBPCB Mount430 V- 55 C+ 85 C 
V751BA60


Varistors 1200V 70kA 3500pF
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Littelfuse 63
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AUD 204.8514
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MOV970 VDC750 VAC1.88 kV60 mm70 kA2.6 kJ3500 pF SMD/SMTBulk BAPCB Mount1200 V- 55 C+ 85 C 
MOV-10D241KTR


Varistors 420pF 240volts 10%
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Bourns 62
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AUD 0.1964
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MOV264 VDC150 VAC395 V10 mm2.5 kA35 J420 pF RadialReel , Cut Tape MOV - 10DxxxKPCB Mount240 V- 40 C+ 85 C 
121KD14


Varistors Through Hole RoHS
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Yageo 62
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AUD 0.1996
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MOV100 VDC75 VAC200 V14 mm4.5 kA32 J1700 pF RadialBulk 14DThrough Hole120 V- 40 C+ 105 C 
V481DB40


Varistors 750V 40kA 2700pF
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Littelfuse 59
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AUD 79.53
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 640 V480 V1.24 kV 40 kA650 J2700 pF- 55 C to + 85 CScrewBulk Da / Db  - 55 C+ 85 C 
470KD20-P10


Varistors 38V 93V 2KA Through Hole RoHS
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Yageo 0
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AUD 0.2926
Multiples of: 5

   93 V          42 V ~ 52 V   
102KD25


Varistors 825V 1000 (900~1100) 1650V 15KA Through Hole RoHS
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Yageo 0
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AUD 1.5785
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MOV825 VDC625 VAC1650 V25 mm15 kA685 J650 pF RadialBulk 25DThrough Hole1000 V- 40 C+ 105 C 
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