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
  
                      
VDR-14D220K


DIP Varistors ROHS
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VDR 1076
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AUD 0.2004
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              22 V   
B72210S2131K101


EPCOS TDK Varistors Varistor S10K130E2
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TDK 1076
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AUD 0.319
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MOV170 VDC130 VAC340 V12 mm3.5 kA25 J400 pF RadialBulk B722xxS2PCB Mount205 V- 40 C+ 105 C 
MOVGT07V330K


Varistors MOVGT - MOV & GDT Combination, 7 mm disc size, 330 V MCOV
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Eaton 1076
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AUD 0.6741
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MOV, GDT        AxialBulk MOVGT     
Z10D221


Semitec Varistors 220V 2500A 12.5mm
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Semitec 1071
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AUD 0.4526
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MOV180 VDC140 VAC135 V12.5 mm1 kA39 J5500 pF RadialBulk Z10DPCB Mount220 V- 40 C+ 85 C 
D65ZOV751RA290


MOV - Standard, 20mm, 750VAC, 10000A Imax (aka 01-0938)
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Maida 1071
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AUD 1.5056
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          -       
MOVS4032V420


Varistors 420 VAC, 1120 V CLAMP, 1200 PE
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Eaton 1069
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AUD 0.6185
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MOV670 VDC420 VAC1120 V-1200 A-- SMD/SMTReel , Cut Tape4032MOVS4032SMD/SMT748 V- 40 C+ 85 C 
07D271K


Varistors 225V 1.2KA Through Hole RoHS
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Ruilongyuan 1067
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AUD 0.038
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   455 V          243 V ~ 297 V   
RM10D361KD1IE100


595V 0.4W 47J 280pF@1kHz 300V 230V 360V 1250A Through Hole,P=7.5mm Varistors ROHS
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Dersonic 1067
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AUD 0.0654
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FTR10D112K


Varistors 895V 1815V 2.5KA Through Hole,P=7.5mm RoHS
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FTR 1067
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AUD 0.0783
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   1815 V          990 V ~ 1210 V   
RM14D331KD1IE100


545V 85J 610pF@1kHz 275V 210V 50A Radial Leaded,P=7.5mm Varistors ROHS
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Dersonic 1067
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AUD 0.1119
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