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
  
                      
V251DHB34


Varistors DHB Series
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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 19.9068
Multiples of: 1

MOV330 VDC250 VAC650 V34 mm40 kA 5000 pF RadialBulk DHB34PCB Mount - 55 C+ 85 C 
B72232B0381K001


Varistors 385V RMS 32MM Varistor B32K385
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AUD 19.9414
Multiples of: 1

MOV505 VDC385 VAC1.025 kV32 mm25 kA550 J1400 pF SMD/SMTBulk HighEPCB Mount620 V- 40 C+ 105 C 
B72240L0421K100


Varistors 420VAC 10% 40mm High E
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AUD 19.9813
Multiples of: 1

  420 VAC       Bulk Highe Ls40  - 40 C+ 105 C 
ERZ-C20EK821Y


Varistors 820V 8KA 48x42x14mm
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Panasonic 0
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AUD 21.4971
Multiples of: 1

MOV670 VDC463 VAC1.355 kV-8 kA215 J700 pF ScrewBulk1805 (4814 METRIC)ZNRChassis Mount820 V- 40 C+ 85 C 
B72232B131K1


EPCOS TDK Varistors
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AUD 20.8138
Multiples of: 10

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B72240L0681K100


Varistors Varistor LS40K680QP
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AUD 21
Multiples of: 1

          Bulk       
B72232B461K1


EPCOS TDK Varistors
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AUD 21.0866
Multiples of: 1

          Bulk       
B72232B421K1


EPCOS TDK Varistors
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AUD 21.0866
Multiples of: 1

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ERZ-C32EK201


Var 130VAC/170VDC 25000A 200V Bolt-Down
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Panasonic 0
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AUD 21.1986
Multiples of: 1

MOV170 VDC130 VAC340 V-25 kA210 J5500 pF ScrewReel , Cut Tape ZNRChassis Mount200 V- 40 C+ 85 C 
LST5505VL2NT1


Varistors 550 VAC 50A
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AUD 21.7058
Multiples of: 1

MOV710 VDC550 VAC1.5 kV-50 kA-- RadialTray LSTPCB-- 40 C+ 85 C 
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