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
  
                      
B72510E0140K062


Varistors 14Vrms 120A CT0805K14G
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TDK 206610
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USD 0.1499
Multiples of: 3000

Mlv18 V14 V40 V 120 A300 Mj350 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)Ct 22 V- 55 C+ 125 CAec - Q200
MLVB04V18C003


ESD Suppressor Multilayer Varistor 18V 2-Pin CSMD T/R
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Eaton 57637
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USD 0.0954
Multiples of: 1

MLV18 VDC-58 V---3 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)MLVBPCB Mount22 V to 34 V- 40 C+ 85 C 
14D471K


Varistors 385V 775V 4.5KA Through Hole RoHS
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Hongzhi 54035
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USD 0.0972
Multiples of: 1

   775 V          423 V ~ 517 V   
B72590D150A60


ESD Suppressors 0402 15Vdc 47pF CeraDiode CDS2C15GTA
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TDK 53735
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USD 0.0437
Multiples of: 1

   46 V   47 pF- 40 C To + 85 CSmd/SmtReel0402 (1005 METRIC)Ceradiodes Standard   + 85 C 
VC060305A150DP


Varistors 4VAC 5.6VDC 0.1J 750pF 8.5 V 18V
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Kyocera AVX 53350
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USD 0.0732
Multiples of: 1000

MLV5.6 VDC4 VAC18 V-30 A100 mJ750 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCPCB Mount8.5 V- 55 C+ 125 C 
VC120638N770RP


Varistors 30VAC 38VDC 1.1J 350pF 47 V 77V
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Kyocera AVX 52380
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USD 0.1128
Multiples of: 2000

Mlv38 VDC30 VAC77 V 200 A1.1 J350 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Vc 47 V- 55 C+ 125 C 
ERZ-V14D330


Varistors 33V 1000A ZNR SUR ABSORBER 14MM
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Panasonic 50216
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USD 0.161
Multiples of: 1

Mov26 V20 V65 V14 mm2 kA9.5 J0.0122 uF- 40 C to + 85 CRadial  V 33 V- 40 C+ 85 C 
B72580E0350K062


Varistors 1812 35Vrms 500A CT1812K35G
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TDK 16488
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USD 0.4934
Multiples of: 1

Mlv45 V35 V90 V 500 A4000 Mj1200 pF- 55 C to + 150 CSmd/SmtReel1812 (4532 METRIC)E 56 V- 55 C+ 150 CAec - Q200
JVR07N391K


Varistor: metal-oxide; THT; 250VAC; 320VDC; 390V; ±10%; 1.2kA; 30J
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Joyin 4152
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USD 0.0351
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              390 V   
Hot B72220S2301K101


Varistors 300V RMS 20MM RADIAL Varistor S20K300E2
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TDK 1455
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USD 0.3001
Multiples of: 1

MOV385 VDC470 VAC775 V21.5 mm1 kA250 J780 pF RadialBulk B722xxS2PCB Mount470 V- 40 C+ 105 C 
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