About Varistors

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
  
                      
ERZ-E14A431S1


Varistor: ceramics; THT; 275VAC; 350VDC; 430V; 7.5kA
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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.

Panasonic Availability : 1794
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USD 0.4358
Multiples of: 1

Mov350 VDC275 VAC710 V16.5 mm7.5 kA303 J800 pF RadialBulk Erz - E - S1Pcb Mount430 V- 40 C+ 125 C 
B72205S0750K101


Varistors 75volts 400A
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TDK Availability : 1787
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USD 0.0903
Multiples of: 1

Mov100 VDC75 VAC200 V5 mm400 A2.5 J210 pF RadialBulk Standardd 120 V- 40 C+ 105 C 
V10E42AUTO


Varistors 42V 10mm Epoxy AEC-Q200 AUMOV
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Littelfuse Availability : 1787
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USD 0.2956
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Mov68 VDC42 VAC135 V23 mm5 A25 J1850 pF RadialBulk AumovPcb Mount68 V- 40 C+ 85 CAec - Q200
B72214S0271K531


Varistors Varistor S14K275G3S5
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TDK Availability : 1784
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USD 0.2047
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Mov350 VDC275 VAC710 V14 mm4.5 kA71 J440 pF- 40 C to + 85 CRadialReel B722 430 VDC- 40 C+ 105 C 
MLV1812E31403T


Varistors 1812 14volts 18A 21.6V to 26.0V
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Vishay Availability : 1784
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USD 0.7972
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MLV18 VDC14 VAC48 V-800 A2.3 J4500 pF SMD/SMTReel , Cut Tape1812 (4532 METRIC)MLV1812E3PCB Mount26 V- 55 C+ 85 C 
B72214S0141K101


Varistors 140volts 4500A
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TDK Availability : 1779
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USD 0.1638
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Mov180 VDC140 VAC360 V14 mm4.5 kA36 J610 pF RadialBulk Standardd 220 V- 40 C+ 105 C 
B72210S0140K151


EPCOS TDK Varistors 14vrms 10mm StdCrmp,S10K14G5
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TDK Availability : 1779
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USD 0.1696
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Mov18 VDC14 VAC43 V10 mm500 A2.0 J5200 pF- 40 C to + 85 CRadialReel B722 22 VDC- 40 C+ 105 C 
ERZ-E14A391S1


Varistor: ceramics; THT; 250VAC; 320VDC; 390V; 7.5kA
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Panasonic Availability : 1779
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USD 0.4625
Multiples of: 1

              390 V   
TMOV20RP250M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse Availability : 1775
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USD 1.1369
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Mov429 VDC250 VAC650 V20 mm10 kA170 J1000 pF RadialBulk Itmov 429 V- 55 C+ 85 C 
ST3225K331G2


275V 210V 297V~363V SMD,3.2x2.5mm Varistors ROHS
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SLKORMICRO Availability : 1765
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USD 0.0409
Multiples of: 10

              297 V ~ 363 V   
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