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
  
                      
V5.5MLA0402NR


Varistors 5.5VDC .05J 21V-CLMP 20A PK
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Littelfuse 506315
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USD 0.0816
Multiples of: 1

MLV5 VDC4 VAC19 V-20 A50 mJ220 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)MLAPCB Mount7.1 V- 55 C+ 125 C 
V18AUMLA1206NH


Varistors 18V 1206 125C AUML AEC-Q200 Low Profile
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Littelfuse 118825
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USD 0.312
Multiples of: 2500

MLV18 VDC-40 V-1.5 A1.5 J- SMD/SMTReel , Cut Tape1206 (3216 METRIC)AUMLPCB Mount23 V- 55 C+ 125 CAEC - Q200
B72530T400K62


Var MOV 40VAC/56VDC 250A 68V 1210 SMD Blister T/R
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TDK 118340
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USD 0.1852
Multiples of: 2000

Mlv56 V40 V110 V 250 A2300 Mj500 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Standard 68 V- 55 C+ 125 C 
B72207S250K211


Varistors 25 VAC 1.6J 77V-CLMP 250A-PK
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TDK 116400
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USD 0.0915
Multiples of: 1500

Mov   7 mm             
CG0603MLE-18E


ESD Suppressors 18VDC 40CLAMPING
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Bourns 108091
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USD 0.0299
Multiples of: 1

MLV18 VDC8.5 VAC60 V-20 A-50 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)MLEPCB Mount-- 55 C+ 125 C 
V10E275P


Varistors 275Vrms 3500A 200pF 10mm Disc
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Littelfuse 104655
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USD 0.1508
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MOV350 VDC275 VAC710 V10 mm3.5 kA55 J200 pF RadialBulk UltraMOVPCB Mount473 V- 55 C+ 85 C 
B72207S151K211


Varistors SMT-INDUCTOR 1210 0.056uH 10%
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TDK 98940
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USD 0.1005
Multiples of: 1500

Mov   7 mm     Reel Automotive     
VC0603K300R020


Varistors 26V 30A 0603 AEC-Q200
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Kemet 98316
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USD 0.0563
Multiples of: 1

MLV26 VDC20 VAC54 V-30 A300 mJ175 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)VCPCB Mount33 V- 55 C+ 125 CAEC - Q200
B72207S0461K101


Varistors 460volts 1200A
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TDK 84484
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USD 0.0285
Multiples of: 1

MOV615 VDC460 VAC1.24 kV7 mm1.2 kA36 J55 pF RadialBulk StandardDPCB Mount750 V- 40 C+ 105 C 
VC080518C400TP


Varistors 13VAC 18VDC 0.3J 550pF 25.5 V 42V
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Kyocera AVX 38800
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USD 0.115
Multiples of: 10000

MLV18 VDC13 VAC42 V-100 A300 mJ550 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)VCPCB Mount25.5 V- 55 C+ 125 C 
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