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.
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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
  
                      
V27ZA2P


Varistors 17 VAC 2.5J 53V-CLAMP 500A-PK
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Littelfuse 3194
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AUD 0.3127
Multiples of: 1

Mov22 V17 V53 V10 mm500 A2.5 J3000 pF- 55 C to + 85 CRadialBulk Za  - 55 C+ 85 C 
20D391K


Varistors 320V 650V Through Hole RoHS
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COV 3191
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AUD 0.2131
Multiples of: 5

   650 V          351 V ~ 429 V   
AV30K2220122NIR1HT


Varistors AVHT AUTO SERIES 30V
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Bourns 3185
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AUD 1.034
Multiples of: 1

MLV34 VDC30 VAC77 V-1200 A10 J6500 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)AVHTPCB Mount47 V- 55 C+ 150 CAEC - Q200
V18ZA3P


Varistors 10 VAC 3.5J 36V-CLAMP 1KA-PK
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Littelfuse 3183
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AUD 0.2089
Multiples of: 1

   36 V14 mm  0.011 uF- 55 C to + 85 C Bulk   18 V   
07D680K


Varistors 56V 145V 250A Through Hole RoHS
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COV 3181
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AUD 0.0482
Multiples of: 10

   145 V          61 V ~ 75 V   
V07E140P


Littelfuse Varistors 140Vrms 1750A 160pF 7mm Disc
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Littelfuse 3180
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AUD 0.2467
Multiples of: 1

MOV180 VDC140 VAC360 V7 mm1.75 kA13.5 J160 pF RadialBulk UltraMOVPCB Mount242 V- 55 C+ 85 C 
V8ZA2P


Varistors 4 VAC .8J 20V-CLAMP 250A-PK
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Littelfuse 3176
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AUD 0.3127
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Mov5.5 V4 V20 V10 mm250 A0.8 J7500 pF- 55 C to + 85 CRadialBulk Za 6 v to 11 V- 55 C+ 85 C 
14D431K


710V 115J 350V 275V 4.5kA Radial Leaded,P=7.5mm Varistors ROHS
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SURGING 3171
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AUD 0.0881
Multiples of: 5

                  
V25S300P


Varistors 300VAC 500J 765V CLAMP 22KAPK 25MM
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Littelfuse 3137
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AUD 2.1686
Multiples of: 1

MOV385 VDC300 VAC765 V25 mm22 kA500 J1450 pF RadialBulk UltraMOV25SPCB Mount517 V- 55 C+ 85 C 
560KD10


Varistors 45V 110V 500A Through Hole RoHS
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Yageo 1256
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AUD 0.0748
Multiples of: 5

MOV45 VDC35 VAC110 V10 mm500 A7 J1800 pF RadialBulk 10DPCB Mount56 V- 40 C+ 105 C 
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