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
  
                      
MOV-10D271KTR


Bourns Varistors 370pF 270volts 10%
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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.

Bourns Availability : 3071
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USD 0.0863
Multiples of: 1

MOV297 VDC175 VAC455 V10 mm2.5 kA40 J370 pF RadialReel , Cut Tape MOV - 10DxxxKPCB Mount270 V- 40 C+ 85 C 
B72220S2551K101


EPCOS TDK Varistors Varistor S20K550E2
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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.

TDK Availability : 3069
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USD 0.8982
Multiples of: 1

MOV745 VDC550 VAC1500 V21.5 mm10 kA360 J320 pF RadialBulk B722xxS2PCB Mount910 V- 40 C+ 105 C 
82556140


Wurth Electronics Varistors WE-VS SMD 0603 270pF 30A 18VDC
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Wurth Availability : 3055
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USD 1.1513
Multiples of: 1

 18 VDC 40 V   270 pF Smd/SmtReel0603 (1608 METRIC)We - Vs     
B72210S0321K151


Varistors 320vrms 10mm StdCrmp,S10K320G5
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TDK Availability : 3047
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USD 0.1552
Multiples of: 1

Mov420 VDC320 VAC840 V10 mm2.5 kA50 J185 pF RadialCut Tape Standardd 510 V- 40 C+ 105 C 
VDR-14D561KT


Varistors 460V 920V 4.5KA Through Hole RoHS
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VDR Availability : 3045
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USD 0.0887
Multiples of: 5

   920 V          504 V ~ 616 V   
MOVS2825V020


Varistors 20 VAC, 73 V CLAMP, 150 PEAK C
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Eaton Availability : 3036
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USD 0.3013
Multiples of: 1

MOV560 VDC20 VAC73 V-1200 A-- SMD/SMTReel , Cut Tape2825MOVS2825SMD/SMT36.3 V- 40 C+ 85 C 
VDR-10D471KJ


Varistors 385V 775V 3.5KA Through Hole RoHS
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VDR Availability : 3030
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USD 0.0443
Multiples of: 5

   775 V          423 V ~ 517 V   
10D101K


Varistors 85V 165V 2.5KA Through Hole RoHS
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Hongzhi Availability : 3027
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USD 0.0339
Multiples of: 10

   165 V          90 V ~ 110 V   
V68ZA05P


Varistors 40 VAC .6J 135V-CLAMP 100A-PK
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Littelfuse Availability : 3027
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USD 0.1791
Multiples of: 1

MOV56 VDC40 VAC127 V5 mm100 A600 mJ150 pF RadialBulk ZAPCB Mount74.8 V- 55 C+ 85 C 
VJ13MC0300KBA


Varistors 30Volt 0.9Joules
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Kyocera AVX Availability : 3016
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USD 0.4075
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Mlv30 V2 VAC73 V 220 A0.9 J1020 pF- 55 C to + 125 CSolderReel1210 (3225 METRIC)Vj13 39 V- 55 C+ 125 C 
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