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
  
                      
VA100030D650DL


Varistors 21VAC 30VDC 0.4J 550pF 41 V 67V
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Kyocera AVX 1744
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AUD 0.5204
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Mlv30 VDC21 VAC67 V2.54 mm120 A0.4 J550 pF- 55 C to + 125 CAxialReel Va 41 V- 55 C+ 125 C 
MOV-20D201K


Var MOV 130VAC/170VDC 6500A 200V Thru-Hole Radial Bulk
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Bourns 1050
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AUD 0.3661
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Mov200 V 340 V20 mm4.5 kA57 J1000 pF- 40 C to + 85 C Bulk Mov - 20Dxxxk  - 40 C+ 85 C 
V320LA40BPX2855


Varistors 20MM Radial
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Littelfuse 1048
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AUD 0.7683
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 501 VDC 810 V      Bulk La     
VG181245U900DP


Varistors 35VAC 45VDC 4J 1200pF 56 V 90V
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Kyocera AVX 1048
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AUD 0.9446
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Mlv45 VDC35 VAC90 V-500 A4 J1200 pF- 55 C to + 125 CSmd/SmtReel1812 (4532 METRIC)Vg 56 V- 55 C+ 125 C 
V14E175P


Varistors 175Vrms 6kA 700pF 14mm Disc
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Littelfuse 1047
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AUD 0.4243
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Mov225 VDC175 VAC455 V14 mm6 kA 700 pF- 55 C to + 85 CRadialBulk Ultramov  - 55 C+ 85 C 
V150LA20BP


Varistors 150V 1600pF
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Littelfuse 1045
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AUD 0.4944
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   360 V20 mm  1600 pF- 55 C to + 85 C Bulk   240 V   
B72225S4421K101


Varistors 560V 20KA Through Hole RoHS
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TDK 1045
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AUD 3.3493
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MOV560 VDC420 VAC1120 V27.5 mm20 kA700 J1150 pF RadialBulk SuperioR S25PCB Mount680 V- 40 C+ 105 C 
ERZ-E11A102SC


Varistors 1000VDC 0.6W 1mA L/S=7.5mm Cut LD
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Panasonic 1043
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AUD 0.5769
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MOV825 VDC625 VAC1650 V14 mm5 kA280 J220 pF RadialBulk ERZ - E - S1PCB Mount1000 V- 40 C+ 125 C 
V20E625P


Varistors 625Vrms 10kA 250pF 20mm Disc
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Littelfuse 1041
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AUD 1.0261
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MOV825 VDC625 VAC1.65 kV20 mm10 kA400 J250 pF RadialBulk UltraMOVPCB Mount1100 V- 55 C+ 85 C 
561KD07J


Varistors Through Hole RoHS
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Yageo 1040
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AUD 0.103
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MOV460 VDC350 VAC925 V7 mm1.75 kA49 J90 pF RadialBulk 05DThrough Hole560 V- 40 C+ 105 C 
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