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
  
                      
VDRH20X275BSE


Vishay BC Components Varistors 275V 20MM
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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.

Vishay Availability : 420
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USD 0.9764
Multiples of: 1

 350 VDC275 VAC710 V23 mm10000 A303 J900 pF RadialBulk Vdrh..E 430 V- 40 C+ 125 C 
Hot V175LA10AP


Varistors 175V 700pF 14mm
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Littelfuse Availability : 418
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USD 0.2132
Multiples of: 1

MOV225 VDC175 VAC455 V14 mm4.5 kA55 J700 pF RadialBulk LAPCB Mount297 V- 55 C+ 85 C 
511KD10J


845V 0.4W 200pF@1kHz 90J 415V 320V 510V 3.5kA Radial Leaded 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.

Liown Availability : 417
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USD 0.0449
Multiples of: 10

   845 V          510 V   
TVR14431KFARW


Plugin,P=7.5mm Varistors ROHS
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TKS Availability : 417
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USD 0.1496
Multiples of: 1

                  
VC121030G620DP


Varistors 21VAC 30VDC 0.9J 1750pF 41 V 67V
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Kyocera AVX Availability : 417
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USD 0.4163
Multiples of: 1

Mlv30 V21 V67 V 220 A0.9 J1750 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Vc 41 V- 55 C+ 125 C 
TVR10391KS34Y


650V 60J 320V 250V 2.5kA Radial Leaded 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.

TKS Availability : 416
Ship by Tue. 20 Aug to Fri. 23 Aug Calender.png

USD 0.0746
Multiples of: 5

   650 V          -   
TVR07301KYC3FM


500V 26J 250V 195V 1.75kA Radial Leaded Varistors ROHS
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TKS Availability : 415
Ship by Tue. 20 Aug to Fri. 23 Aug Calender.png

USD 0.0612
Multiples of: 5

   500 V          -   
561KD05J


Varistors Through Hole RoHS
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Yageo Availability : 413
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USD 0.0031
Multiples of: 10

MOV460 VDC350 VAC920 V5 mm0.8 kA24 J45 pF RadialBulk 05DThrough Hole560 V- 40 C+ 105 C 
TVR07390KSAR202Y


Radial Leaded,P=5mm Varistors ROHS
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TKS Availability : 412
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USD 0.0407
Multiples of: 5

                  
RL3220A390K


99V SMD,8.2x5.1mm Varistors ROHS
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Ruilongyuan Availability : 412
Ship by Tue. 20 Aug to Fri. 23 Aug Calender.png

USD 0.594
Multiples of: 1

   99 V              
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