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
  
                      
14D561K


Varistors 460V 925V 4.5KA Through Hole RoHS
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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.

Ruilongyuan Availability : 85461
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USD 0.0681
Multiples of: 5

   925 V          504 V ~ 616 V   
MOV-07D391KTR


Var MOV 250VAC/320VDC 1200A 390V Thru-Hole Radial T/R
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Bourns Availability : 80956
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USD 0.0509
Multiples of: 2000

 429 V 650 V7 mm1.2 kA25 J130 pF- 40 C to + 85 C Reel Mov - 07Dxxxk  - 40 C+ 85 C 
Hot AVRH10C390KT500NA8


Varistors 0402 50pF 28VDC AEC-Q200
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TDK Availability : 80298
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USD 0.0424
Multiples of: 1

MLV28 VDC-72 V-15 A20 mJ50 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)AVRPCB Mount39 V- 55 C+ 150 CAEC - Q200
B72660M0461K093


Varistors Varistor CU4032K460G2K1
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TDK Availability : 79673
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USD 0.6937
Multiples of: 1

Mov615 VDC460 VAC1.24 kV 1 kA36 J55 pF- 40 C to + 85 CSmd/SmtReel4032 (102080 METRIC)Cu 750 V- 40 C+ 85 C 
10D470K


Varistors 38V 93V 500A Through Hole RoHS
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Ruilongyuan Availability : 79360
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USD 0.0448
Multiples of: 10

   93 V          42 V ~ 52 V   
B72500T40M60


Varistors 0603 4.0V 30A CT0603M4G
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TDK Availability : 76920
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USD 0.0676
Multiples of: 1

Mlv5.5 V4 V19 V 30 A100 Mj200 pF- 55 C to + 125 CSmd/SmtBulk0603 (1608 METRIC)Standard 8 V- 55 C+ 125 C 
ZV25K1210401NIR1


Varistors ZV 25V 10%
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Bourns Availability : 76716
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USD 0.145
Multiples of: 1

MLV31 VDC25 VAC65 V-400 A1.8 J1060 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVPCB Mount39 V- 55 C+ 125 C 
B72530T140K62


Var MOV 14VAC/18VDC 400A 22V 1210 SMD Blister T/R
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TDK Availability : 76596
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USD 0.2231
Multiples of: 1

Mlv18 V14 V38 V 400 A1500 Mj2000 pF- 55 C to + 125 CSmd/SmtBulk1210 (3225 METRIC)Standard 22 V- 55 C+ 125 C 
V5.5MLA0805LNH


Varistors 5.5VDC .1J 17.5V-CLMP 40A PK
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Littelfuse Availability : 73721
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USD 0.1667
Multiples of: 1

Mlv5.5 V4 V17.5 V 40 A0.1 J400 pF- 55 C to + 125 CSolderReel0805 (2012 METRIC)Mla 7.1 V- 55 C+ 125 C 
B72500E140K60


Varistors 18 VDC .2J 40V-CLMP 30A PK
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TDK Availability : 73720
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USD 0.0165
Multiples of: 4000

MLV18 VDC14 VAC40 V-30 A200 mJ100 pF SMD/SMTReel , Cut Tape AutomotivePCB Mount22 V- 55 C+ 150 C 
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