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
  
                      
RL1812A760K


198V 60V 43V 72V~90V 1812 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.

Ruilongyuan Availability : 4251
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USD 0.2376
Multiples of: 1

   198 V          72 V ~ 90 V   
MAV0040WP


Varistors 0402 single element AC varistor
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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.

Kyocera AVX Availability : 4248
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USD 0.0851
Multiples of: 1

 70 V52 V225 V 1 A0.02 J6 pF Smd/SmtReel0402Mav 120 V- 55 C+ 125 C 
Hot V07E75P


Littelfuse Varistors 75Vrms 500A 7mm Disc
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Littelfuse Availability : 4247
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USD 0.1254
Multiples of: 1

Mov100 VDC75 VAC205 V7 mm1750 A14 J600 pF RadialBulk-Lv Ultramov 120 VDC   
V120ZA05P


Varistors 75 VAC 3J 205V-CLAMP 400A-PK
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Littelfuse Availability : 4246
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USD 0.1448
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MOV102 VDC75 VAC205 V5 mm100 A3 J70 pF RadialBulk ZAPCB Mount132 V- 55 C+ 85 C 
V18MLA0805LNHAUTO


Varistors 18V 290pF 0805 AEC-Q200 MLA AUTO
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Littelfuse Availability : 4244
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USD 0.1808
Multiples of: 1

MLV18 VDC14 VAC44 V-40 A100 mJ290 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)MLA AUTOPCB Mount28 V- 55 C+ 125 CAEC - Q200
MOV-14D751KTR


Varistors 750volts 14mm
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Bourns Availability : 4242
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USD 0.2242
Multiples of: 1

MOV750 VDC460 VAC1.24 kV14 mm4.5 kA143 J270 pF RadialReel , Cut Tape MOV - 14DxxxKPCB Mount750 V- 40 C+ 85 C 
V150LA2PX1347


Littelfuse Varistors 07MM Radial
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Littelfuse Availability : 4238
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USD 0.1938
Multiples of: 1

MOV200 VDC150 VAC395 V7 mm6.5 kA13 J150 pF RadialBulk LAPCB Mount264 V- 55 C+ 85 C 
AMCV-1206H-380-T


Varistors 500pF, 50V Ip=250A
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ABRACON Availability : 4238
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USD 0.34
Multiples of: 1

MLV38 VDC30 VAC75 V-250 A1 J500 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)AMCVPCB Mount50 V- 55 C+ 85 C 
07D271K


Varistors 225V 1.2KA Through Hole RoHS
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Ruilongyuan Availability : 4229
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USD 0.027
Multiples of: 10

   455 V          243 V ~ 297 V   
B72205S0110K111


EPCOS TDK Varistors Varistor S05K11G
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TDK Availability : 4227
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USD 0.1115
Multiples of: 1

Mov14 VDC11 VAC36 V5 mm100 A0.3 J1750 pF- 40 C to + 85 CRadialReel B722 18 VDC- 40 C+ 105 C 
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