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
  
                      
V511HF34


Littelfuse Varistors HIGH ENERGY
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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.

Littelfuse 0
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AUD 12.2301
Multiples of: 1

Mov675 VDC510 VAC1.35 kV34 mm40 kA 2500 pF- 55 C to + 85 CSolder TerminalBulk Hf34  - 55 C+ 85 C 
ERZ-C32CK391W


Varistors ERZC TYPE CK UL CSA RECOGNZD DSK ZNR TAB
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AUD 12.4603
Multiples of: 1

MOV320 VAC250 VAC650 V32 mm25 kA350 J- Screw  CKChassis Mount390 V- 40 C+ 85 C 
B72225M0151M301


Varistors 150V 20kA 10% 3pin 25mm
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AUD 12.4615
Multiples of: 1

MOV200 VDC150 VAC1000 V-20 kA215 J2370 pF RadialTray MT25PCB Mount800 A- 40 C+ 85 C 
ERZ-C32CK241W


Varistors ERZC TYPE CK UL CSA RECOGNZD DSK ZNR TAB
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AUD 12.4627
Multiples of: 1

Mov   32 mm       Ck     
ERZ-C20EK751Y


Varistors 750V 8KA 48x42x14mm
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Panasonic 0
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AUD 12.5882
Multiples of: 1

Mov615 VDC418 VAC1.24 kV 8 kA190 J800 pF ScrewBulk1805 (4814 METRIC)Ek 750 V- 40 C+ 85 C 
B72225M0151M201


Varistors 150V 20kA 10% 4pin 25mm
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AUD 12.96
Multiples of: 1

MOV200 VDC150 VAC1000 V-20 kA215 J2370 pF RadialTray MT25PCB Mount800 A- 40 C+ 85 C 
VZ40D681K


Metal Oxide Varistors
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AUD 12.996
Multiples of: 2

                  
VZ40D621K


Var MOV 390VAC/505VDC 40000A 682V Straight Strap Terminal Bulk
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AUD 12.996
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S7580ZOV581RA1000


Varistor - Square Disc Epoxy Coating - 34mm Square Disk Diameter - Zinc Oxide - 580 VAC.
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Maida 0
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AUD 13.0442
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B72232B271K1


EPCOS TDK Varistors
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AUD 13.0471
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