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
  
                      
VDRS07H175BSE


Varistors 175volts 9mm 5mm
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Vishay 4840
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AUD 0.4819
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Mov225 V175 V455 V9 mm1.2 kA23 J230 pF- 40 C to + 85 CRadialBulk Vdrs..E 275 V- 40 C+ 85 C 
TVZ14ECN241KBS


Var MOV 150VAC/200VDC 6000A 264V Pin Bulk
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World Products 4840
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AUD 0.9403
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          -       
RL1812A680K


184V 56V 40V 67.2V~84V 1812 Varistors ROHS
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Ruilongyuan 4839
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AUD 0.3456
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   184 V          67.2 V ~ 84 V   
CVQ300K20BL1


Varistors CV+ 300 K 20 B L1
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Bourns 4835
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AUD 1.2473
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MOV385 VDC300 VAC775 V22.5 mm12 kA380 J850 pF Radial  CVQThrough Hole470 V- 40 C+ 85 C 
VDR-07D121K


Varistors 100V 200V 1.2KA Through Hole RoHS
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VDR 4830
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AUD 0.0319
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   200 V          108 V ~ 132 V   
B72205S0251K101V87


Varistors 250V Through Hole RoHS
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TDK 4830
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AUD 0.0617
Multiples of: 10

   650 V          390 V   
14D431K


710V 115J 350V 275V 4.5kA Radial Leaded,P=7.5mm Varistors ROHS
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SURGING 4830
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AUD 0.0868
Multiples of: 5

                  
HEL-10D681K


Varistor: metal-oxide; THT; 420VAC; 560VDC; 680V; ±10%; 3.5kA; 100J
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SR Passives 4830
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AUD 0.0895
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              680 V   
B72207S0301K201


Varistors 300VAC 10% 7mm StandarD
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TDK 4830
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AUD 0.1635
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Mov385 VDC300 VAC775 V7 mm1.2 kA23 J100 pF RadialBulk Standardd 470 VDC- 40 C+ 105 C 
B72520T40M62


Varistors 1206 4.0V 150A CT1206M4G
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TDK 4816
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AUD 0.3077
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Mlv5.5 V4 V17 V 150 A0.3 J1500 pF- 55 C to + 125 CSmd/SmtBulk1206 (3216 METRIC)Standard 8 V- 55 C+ 125 C 
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