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
  
                      
7D271K


455V 0.25W 185pF@1kHz 225V 18J 175V 270V 1.2kA Radial Leaded,P=7mm Varistors 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.

SURGING Availability : 5173
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USD 0.0341
Multiples of: 10

                  
MLVB04V18C0R5


Multilayer Varistor ESD suppressor
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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.

Eaton Availability : 5170
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USD 0.0734
Multiples of: 1

Mlv18 V 250 V   0.5 pF- 40 C to + 85 CSolderReel0402 (1005 METRIC)Mlvb 90 v to 120 V- 40 C+ 85 C 
RM10D271KD1IECW0


Varistors 225V 270 (243~297) 455V 2.5KA Through Hole,P=7.5mm RoHS
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Dersonic Availability : 5165
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USD 0.0326
Multiples of: 10

   455 V          243 V ~ 297 V   
VCAS060330A650RP


Varistors 0603 30VDC .1J 67v 33VDC .1J 67v
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Kyocera AVX Availability : 5164
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USD 0.1299
Multiples of: 1

MLV30 VDC21 VAC67 V-30 A100 mJ125 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCASPCB Mount41 V- 55 C+ 125 CAEC - Q200
EZJ-P0V270BM


Varistors 1%, 1mA, 27V, 10pf 0402,.5MM THICKNESS
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Panasonic Availability : 5158
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USD 0.0738
Multiples of: 1

MLV18 VDC-----10 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)EZJP - MPCB Mount27 V- 55 C+ 150 CAEC - Q200
B72205S0231K101


Varistors 230volts 400A
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TDK Availability : 5157
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USD 0.0966
Multiples of: 1

MOV300 VDC230 VAC595 V5 mm400 A7.2 J60 pF RadialBulk StandardDPCB Mount360 V- 40 C+ 105 C 
Hot B72205S0301K101


Varistors 300volts 400A
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TDK Availability : 5131
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USD 0.0689
Multiples of: 1

MOV385 VDC300 VAC775 V5 mm400 A9.6 J45 pF RadialBulk StandardDPCB Mount470 V- 40 C+ 105 C 
V3.5MLA0805LNH


Littelfuse Varistors 3.5V 40A 1380pF
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Littelfuse Availability : 5104
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USD 0.1981
Multiples of: 1

Mlv3.5 VDC2.5 VAC13 V 40 A100 Mj1380 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)Mla  - 55 C+ 125 C 
Hot V24ZA50P


Varistors 14 VAC 100J 43V-CLAMP 2KA-PK
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Littelfuse Availability : 5096
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USD 0.1963
Multiples of: 1

MOV18 VDC14 VAC43 V20 mm2 kA100 J0.018 uF RadialBulk ZAPCB Mount19.2 V to 26 V- 55 C+ 85 C 
D6521ZOV181RA20


MOV - Standard, 20mm, 180VAC, 10000A Imax (aka 01-0027)
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Maida Availability : 5092
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USD 0.309
Multiples of: 250

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