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
  
                      
B72220S0151K101


Varistors 200V 240 (216~264) Through Hole,P=10mm RoHS
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TDK 5030
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AUD 0.5303
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MOV200 VDC150 VAC395 V20 mm8 kA85 J1160 pF RadialBulk StandardDPCB Mount240 V- 40 C+ 105 C 
391KD20


Varistors Through Hole RoHS
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Yageo 463
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AUD 0.3694
Multiples of: 1

MOV320 VDC250 VAC650 V20 mm6.5 kA180 J1000 pF RadialBulk 20DPCB Mount390 V- 40 C+ 105 C 
MOV-20D180K


Bourns Varistors 18volts 20mm
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Bourns 453
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AUD 0.5566
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Mov18 VDC 36 V20 mm1 kA4 J11100 pF- 40 C to + 85 C Bulk Mov - 20Dxxxk  - 40 C+ 85 C 
V300LA40CP


775V 300V 470V Plugin Varistors ROHS
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Littelfuse 452
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AUD 0.7175
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MOV300 VDC300 VAC775 V20 mm9 kA335 J800 pF RadialBulk C - IIIPCB Mount517 V- 55 C+ 85 C 
VDRS07H275BSE


Varistors 275volts 9mm Radial 5mm L.S.
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Vishay 451
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AUD 0.211
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Mov350 V275 V710 V9 mm1.2 kA36 J140 pF- 40 C to + 85 CRadialBulk Vdrs..E 430 V- 40 C+ 85 C 
TMOV25SP625E


Littelfuse Varistors 625V 20kASQ 25MM PB FREE 25S
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Littelfuse 451
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AUD 5.6191
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MOV825 VDC625 VAC1.625 kV25 mm20 kA600 J550 pF RadialBulk TMOVPCB Mount1100 V- 55 C+ 85 C 
WMR14D431KB3B4W


Varistors Through Hole,P=7.5mm RoHS
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WMEC 448
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AUD 0.1132
Multiples of: 5

   710 V          387 V ~ 473 V   
VDRH20X175BSE


Varistors 175V 20MM
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Vishay 402
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AUD 1.366
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Mov225 VDC175 VAC455 V22.5 mm10000 A190 J1500 pF RadialBulk VdrhPcb Mount275 V- 40 C+ 125 C 
GMOV-20D251K


Varistors 250VRMS 275J 675V-CLAMP
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Bourns 242
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AUD 1.691
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MOV320 VDC250 VAC-23 mm10 kA275 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
VC121048G101RP


Varistors 34VAC 48VDC 0.9J 450pF 62 V 100V
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Kyocera AVX 199
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AUD 0.8373
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Mlv48 V34 V100 V 220 A0.9 J450 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Vc 62 V- 55 C+ 125 C 
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