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
  
                      
7D431K


Varistors 350V 710V 1.2KA Through Hole RoHS
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Hongzhi 756
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AUD 0.0314
Multiples of: 20

   710 V          387 V ~ 473 V   
STE07D471K1BN0FSB0R0


Varistors 385V 775V 1.2KA Through Hole RoHS
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Songtian 756
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AUD 0.0339
Multiples of: 10

   775 V          423 V ~ 517 V   
ZVR07D560KJ6B5A0


110V 45V 35V 56V Plugin,P=5mm Varistors ROHS
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South HongMing 756
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AUD 0.05
Multiples of: 10

   110 V          56 V   
ERZ-V09D271


Panasonic Varistors ZNR TransientSurge Absorbers Type D
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Panasonic 756
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AUD 0.2629
Multiples of: 1

MOV225 VDC175 VAC455 V9 mm3.5 kA49 J350 pF Radial  VPCB Mount270 V- 40 C+ 85 C 
B72220Q0301K101


EPCOS TDK Varistors Varistor Q20K300
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TDK 756
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AUD 1.1911
Multiples of: 1

   775 V20 mm  850 pF- 40 C to + 85 C Bulk   470 V   
B72210S0250K551


Varistors Varistor S10K25G5S5
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TDK 752
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AUD 0.3019
Multiples of: 1

Mov31 VDC25 VAC77 V10 mm500 A3.7 J3200 pF RadialCut Tape Standardd 39 VDC- 40 C+ 105 C 
WLRSV4032-471K


250mW 31J 385V 300V 1500A SMD Varistors ROHS
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SURGING 751
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AUD 0.0635
Multiples of: 5

                  
7D511K


845V 30J 415V 320V 1.2kA Radial Leaded,P=5mm Varistors ROHS
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SURGING 737
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AUD 0.0285
Multiples of: 20

                  
VDR-07D820K


Varistors 65V 135V 1.2KA Through Hole RoHS
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VDR 688
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AUD 0.0509
Multiples of: 10

   135 V          74 V ~ 90 V   
V25S750P


Varistors 750VAC 890J 1950V CLAMP 22KAPK 25MM
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Littelfuse 655
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AUD 3.7714
Multiples of: 1

MOV970 VDC750 VAC1.95 kV25 mm22 kA890 J550 pF RadialBulk UltraMOV25SPCB Mount1320 V- 55 C+ 85 C 
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