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
  
                      
V5.5MLA0805LNH


Varistors 5.5VDC .1J 17.5V-CLMP 40A PK
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Littelfuse 73751
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AUD 0.253
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 73720
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AUD 0.0254
Multiples of: 4000

MLV18 VDC14 VAC40 V-30 A200 mJ100 pF SMD/SMTReel , Cut Tape AutomotivePCB Mount22 V- 55 C+ 150 C 
V175LT10CP


Varistors 175V
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Littelfuse 70567
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AUD 0.6377
Multiples of: 1

MOV225 VDC175 VAC455 V14 mm6 kA 700 pF RadialReel , Cut Tape C - IIIPCB Mount - 55 C+ 85 C 
Hot B72214S2271K101


Varistors 275V RMS 14MM RADIAL Varistor S14K275E2
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TDK 70218
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AUD 0.224
Multiples of: 500

MOV350 VDC275 VAC710 V15.5 mm6 kA110 J440 pF RadialBulk B722xxS2PCB Mount430 V- 40 C+ 105 C 
B72530E0300K062


Varistors 1210 30Vrms 300A CT1210K30G
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TDK 69959
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AUD 0.3715
Multiples of: 1

Mlv38 V30 V77 V 300 A2000 Mj1000 pF- 55 C to + 150 CSmd/SmtReel1210 (3225 METRIC)E 47 V- 55 C+ 150 CAec - Q200
10D390K


Varistors 31V 77V 500A Through Hole RoHS
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Ruilongyuan 69005
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AUD 0.0621
Multiples of: 10

   77 V          39 (35 ~ 43)   
B72510E0140K062


Varistors 14Vrms 120A CT0805K14G
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TDK 67962
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AUD 0.2318
Multiples of: 1

Mlv18 V14 V40 V 120 A300 Mj350 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)Ct 22 V- 55 C+ 125 CAec - Q200
RL0402E012M300K


Varistors 12V 50V 0402 RoHS
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Ruilongyuan 67857
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AUD 0.0301
Multiples of: 20

   50 V              
VC120605A150DP


Varistors 4VAC 5.6VDC 0.1J 1200pF 8.5 V 18V
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Kyocera AVX 65954
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AUD 0.2123
Multiples of: 1

Mlv5.6 V4 V18 V 40 A0.1 J1200 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Vc     
B72500D300H60


ESD Suppressors 0603 30Vdc 10pF CeraDiode CDS3C30GTH
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TDK 65320
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AUD 0.0619
Multiples of: 1

   120 V   10 pF- 40 C To + 85 CSmd/SmtReel0603 (1608 METRIC)Ceradiodes High - Speed   + 85 C 
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