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-VF2M471


Panasonic Varistors 470V 300A SMD SUR ABSORB ZNR VF
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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 : 8763
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USD 0.6555
Multiples of: 1

MOV385 VDC300 VAC775 V-300 A10 J- SMD/SMTReel , Cut Tape VFPCB Mount470 V- 40 C+ 85 C 
MOV-20D511K


Varistors 510volts 20mm
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Bourns Availability : 8755
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USD 0.2588
Multiples of: 1

Mov510 V 845 V20 mm4.5 kA125 J390 pF- 40 C to + 85 C Bulk Mov - 20Dxxxk  - 40 C+ 85 C 
V07E140PL1T


Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE
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Littelfuse Availability : 8752
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USD 0.1988
Multiples of: 1

MOV180 VDC140 VAC360 V9 mm1.2 kA13.5 J160 pF RadialReel , Cut Tape UltraMOVPCB Mount242 V- 55 C+ 85 C 
B72530E1140S262


Varistors 1210 14Vrms 2.5A CT1210S14BAUTOG
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TDK Availability : 8744
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USD 0.2415
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Mlv16 V14 V40 V 400 A1600 Mj2000 pF- 55 C to + 150 CSmd/SmtReel1210 (3225 METRIC)E 24.5 V- 55 C+ 150 CAec - Q200
MOV-07D101KTR


Var MOV 60VAC/85VDC 1200A 100V Thru-Hole Radial T/R
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Bourns Availability : 8735
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USD 0.0579
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 110 VDC 165 V7 mm1.2 kA6.5 J250 pF  Cut Tape Mov - 07Dxxxk  - 40 C+ 85 C 
B72207S0250K211


EPCOS TDK Varistors 25vrms 7mm S2 Crimp Varistor S07K25GS2
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TDK Availability : 8730
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USD 0.1012
Multiples of: 1

Mov31 VDC25 VAC77 V7 mm250 A1.6 J1400 pF- 40 C to + 85 CRadialReel B722 39 VDC- 40 C+ 105 C 
V07E175PL4


Varistors 175V 7mm Epoxy UltraMOV
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Littelfuse Availability : 8730
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USD 0.076
Multiples of: 1

Mov225 VDC175 VAC455 V7 mm1.75 kA17 J130 pF RadialBulk Ultramov 243 v to 297 V- 55 C+ 85 C 
V22ZT1P


Varistors 14V 250A 1600pF
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Littelfuse Availability : 8730
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USD 0.0801
Multiples of: 1000

MOV18 VDC14 VAC43 V7 mm250 A900 mJ1600 pF RadialReel , Cut Tape ZAPCB Mount19.8 V- 55 C+ 85 C 
VC080505C150DP


Varistors 4VAC 5.6VDC 0.3J 3000pF 8.5 V 18V
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Kyocera AVX Availability : 8730
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USD 0.1044
Multiples of: 1000

   15.5 V   2750 pF- 55 C to + 125 C Reel0805 (2012 METRIC)  8.5 V   
V140LA2PX2855


Littelfuse Varistors RADIAL VARISTOR ROHS D07
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Littelfuse Availability : 8730
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USD 0.1596
Multiples of: 1500

 206 VDC 340 V      Bulk La     
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