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
  
                      
VC120642L800DP


AVX Varistors 42volts 0.8J 180A
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Kyocera AVX 1782
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AUD 0.2546
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Mlv42 VDC32 VAC80 V 180 A0.8 J600 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Vc 51 V- 55 C+ 125 C 
ERZ-E14A102


Varistors 14mm D type 1Kvolts 7.5KA 565J 400pF
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Panasonic 1782
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AUD 1.5086
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MOV825 VDC625 VAC1.65 kV17.5 mm7.5 kA565 J400 pF RadialBulk ERZ - E10PCB Mount1 kV- 40 C+ 85 C 
V20X320E


Varistors 320VAC 546J 845V-CL 15KA-PK
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Littelfuse 1770
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AUD 0.6207
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MOV410 VDC320 VAC845 V23 mm15 kA546 J1000 pF RadialBulk XtremePCB Mount510 V- 40 C+ 125 C 
B72220S0271K151


EPCOS TDK Varistors Varistor S20K275G5
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TDK 1770
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AUD 0.6679
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Mov350 VDC275 VAC710 V20 mm8 kA151 J850 pF- 40 C to + 85 CRadialReel B722 430 VDC- 40 C+ 105 C 
ERZ-E14A271S1


Varistor: ceramics; THT; 175VAC; 225VDC; 270V; 7.5kA
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Panasonic 1770
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AUD 0.9092
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MOV225 VDC175 VAC455 V16.5 mm7.5 kA190 J1000 pF RadialBulk ERZ - E - S1PCB Mount270 V- 40 C+ 125 C 
VG181265U131DP


Varistors 50VAC 65VDC 4.5J 600pF 82 V 135V
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Kyocera AVX 1769
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AUD 0.9523
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Mlv65 VDC50 VAC135 V-400 A4.5 J600 pF- 55 C to + 125 CSmd/SmtReel1812 (4532 METRIC)Vg 82 V- 55 C+ 125 C 
42327D471KJ


775V 385V 300V 423V~517V SMD,10.4x8mm Varistors ROHS
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Juxing Electronic Technology 1765
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AUD 0.0557
Multiples of: 10

   775 V          423 V ~ 517 V   
VDR-05D271K


Varistors 225V 475V 400A Through Hole RoHS
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VDR 1765
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AUD 0.038
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   475 V          243 V ~ 297 V   
B72650M0250K072


EPCOS TDK Varistors 25V 100A 850pF Varistor CU3225K25G2
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TDK 1749
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AUD 0.5799
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 31 VDC25 VAC77 V 100 A700 Mj850 pF- 40 C to + 85 CSmd/SmtReel3225 (8063 METRIC)Cu Standard 39 VDC- 40 C+ 85 C 
SFV20D821K


Plugin,P=10mm Varistors ROHS
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SETfuse 1727
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AUD 0.4582
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