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
  
                      
330KD20


Varistors Through Hole RoHS
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Yageo 247
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AUD 0.2505
Multiples of: 5

MOV26 VDC20 VAC65 V20 mm2 kA23 J0.0115 uF RadialBulk 20DThrough Hole33 V- 40 C+ 105 C 
VZ25D271KBS


Var MOV 180VAC/230VDC 20000A 311V Radial Bulk
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World Products 194
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AUD 1.125
Multiples of: 100

                  
MOVGT20V360K


Varistors MOVGT - MOV & GDT Combination, 20 mm disc size, 360 V MCOV
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Eaton 194
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AUD 1.3096
Multiples of: 1

MOV, GDT        AxialBulk MOVGT     
ERZ-C32EK391


Panasonic Varistors 32MM 390V 25K ZNR SUR ABSORBER
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Panasonic 194
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AUD 23.7857
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Mov320 V250 V650 V 25000 A350 J3000 pF- 40 C to + 85 CSmd/SmtReel Ek 390 V- 40 C+ 85 C 
B72240B251K1


Varistors 250V RMS 40MM Varistor B40K250
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TDK 193
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AUD 17.8583
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MOV320 VDC250 VAC650 V40 mm40 kA490 J2900 pF ScrewBulk HighEChassis Mount390 V- 40 C+ 105 C 
ERZ-V10D391


Varistors 390V 2500A ZNR SUR ABSORBER 10MM
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Panasonic 192
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AUD 0.2027
Multiples of: 1

Mov320 V250 V650 V10 mm3.5 kA 300 pF- 40 C to + 85 CRadial  V 390 V- 40 C+ 85 C 
V301HA40


Varistors INDUSTRIAL VARISTOR HIGH ENERGY PCB USE
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Littelfuse 191
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AUD 15.6111
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MOV410 VDC300 VAC780 V40 mm40 kA 4100 pF SMD/SMTBulk HAPCB Mount - 55 C+ 85 C 
TVR05560KSARY


123V 1.3J 45V 35V 50V~62V 100A Radial Leaded Varistors ROHS
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TKS 189
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AUD 0.0752
Multiples of: 5

   123 V          50 V ~ 62 V   
KOV14D-320G


415V 320V Plugin Varistors ROHS
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Ruilongyuan 0
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AUD 0.9537
Multiples of: 1

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KOV14D-420G


560V 420V Plugin Varistors ROHS
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Ruilongyuan 0
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AUD 0.9564
Multiples of: 1

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