About Varistors

Tdk 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.

Varistors

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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
  
                      
B72220S2421K503


Varistors Through Hole RoHS
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USD 0.2553
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   1.12 kV          680 V   
B72214S0141K551


Varistors 140VAC 10% 14mm StandarD
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USD 0.2555
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MOV180 VDC140 VAC360 V14 mm4.5 kA36 J820 pF RadialReel , Cut Tape StandardDPCB Mount220 V- 40 C+ 105 C 
B72214S0231K151


Varistors Varistor S14K230G5
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USD 0.2555
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Mov300 VDC230 VAC595 V14 mm4.5 kA60 J530 pF RadialCut Tape B722xxs0Pcb Mount360 V- 40 C+ 105 C 
B72214S0131K151


Varistors Varistor S14K130G5
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USD 0.2555
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Mov170 V130 V340 V14 mm4.5 kA34 J880 pF- 40 C to + 85 CRadialReel B722 205 V- 40 C+ 105 C 
B72214S0301K551


EPCOS TDK Varistors Varistor S14K300G5S5
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USD 0.2555
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Mov385 VDC300 VAC775 V15.5 mm4.5 kA76 J400 pF- 40 C to + 85 CRadialReel B722 470 VDC- 40 C+ 105 C 
B72650M0251K072


Varistors 250V 400A 55pF Varistor
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USD 0.2558
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 320 VDC250 VAC650 V 400 A8.2 J55 pF  Cut Tape Cu Standard  - 40 C+ 85 C 
B72210S0421K331


Varistors 420VAC 10% 10mm StandarD
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USD 0.2567
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Mov560 VDC420 VAC1.12 kV10 mm2.5 kA45 J165 pF RadialCut Tape Standardd 680 VDC- 40 C+ 105 C 
B72530T0200K062


Tools and Accessories, 25 Replacement Blades for PB-7 (0.007in)
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USD 0.2573
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S20K150


S20K150
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USD 0.2574
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          -       
B72210S0301K531


EPCOS TDK Varistors Varistor S10K300G3S5
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USD 0.2591
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Mov385 VDC300 VAC775 V10 mm2.5 kA47 J200 pF- 40 C to + 85 CRadialReel B722 470 VDC- 40 C+ 105 C 
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