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
  
                      
25D511K


Varistors 415V 845V 15KA Through Hole RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

VDR 194
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AUD 0.6152
Multiples of: 1

   845 V              
VDR-25D511K


Varistors 415V 845V 15KA Through Hole RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

VDR 194
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AUD 0.7091
Multiples of: 1

   845 V          459 V ~ 561 V   
VZ20D391KBS


Var MOV 250VAC/330VDC 10000A 429V Radial Bulk
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World Products 194
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AUD 0.6706
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     
VZ25D271KBS


Var MOV 180VAC/230VDC 20000A 311V Radial Bulk
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World Products 194
Ships to you
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AUD 1.1754
Multiples of: 100

                  
V20E510PL1B7


Var MOV 510VAC/670VDC 10000A 902V Radial Bulk
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Littelfuse 193
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AUD 0.8537
Multiples of: 1

MOV670 VDC510 VAC1.355 kV20 mm10 kA325 J350 pF RadialBulk UltraMOVPCB Mount902 V- 55 C+ 85 C 
B72240B251K1


Varistors 250V RMS 40MM Varistor B40K250
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TDK 193
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AUD 24.1922
Multiples of: 1

MOV320 VDC250 VAC650 V40 mm40 kA490 J2900 pF ScrewBulk HighEChassis Mount390 V- 40 C+ 105 C 
TMOV20N471K206RV056


775V 385V 300V 423V~517V Plugin,P=7.5mm Varistors ROHS
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KNSCHA 184
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AUD 0.9035
Multiples of: 1

   775 V          423 V ~ 517 V   
KOV14D-350G


460V 350V Plugin Varistors ROHS
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Ruilongyuan 165
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AUD 0.9674
Multiples of: 1

   -          -   
STE05D390K1BQ0FST0R0


Varistors 31V 39 (35~43) 80V 100A Through Hole,P=5mm RoHS
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Songtian 77
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AUD 0.054
Multiples of: 10

   80 V          35 V ~ 43 V   
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