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
  
                      
ERZ-V05D391


Varistors 390V 600A ZNR SUR ABSORBER 5MM
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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.

Panasonic Availability : 6242
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USD 0.0914
Multiples of: 1

Mov320 V250 V675 V5 mm800 A17 J80 pF- 40 C to + 85 CRadial  V 390 V- 40 C+ 85 C 
V120CH8T


Varistors 75V 250A 300pF 7 Inch Reel
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Littelfuse Availability : 1432
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USD 0.6944
Multiples of: 1

Mov102 V75 V200 V 250 A2 J300 pF- 55 C to + 125 CSmd/SmtReel3220Ch 120 V- 55 C+ 125 C 
Hot ERZ-E14A221S1


Varistor: ceramics; THT; 140VAC; 180VDC; 220V; 7.5kA
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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.

Panasonic Availability : 1430
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USD 0.0951
Multiples of: 1

MOV180 VDC140 VAC360 V16.5 mm7.5 kA155 J1200 pF RadialBulk ERZ - E - S1PCB Mount220 V- 40 C+ 125 C 
Hot TMOV14RP275E


Varistors THERMALLY PROTECTED VARISTOR 14MM
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Littelfuse Availability : 1430
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USD 0.7188
Multiples of: 1

MOV350 VDC275 VAC710 V14 mm6 kA110 J450 pF RadialBulk TMOVPCB Mount473 V- 55 C+ 85 C 
JVRS9S681KRF


4032 Varistors ROHS
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KNSCHA Availability : 1428
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USD 0.0556
Multiples of: 5

                  
V14H300P


Varistors 300V 6500A 400pF 14mm Radial
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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.

Littelfuse Availability : 1428
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USD 0.4968
Multiples of: 1

MOV385 VDC300 VAC775 V14 mm6.5 kA140 J400 pF RadialBulk HMOVPCB Mount517 V- 55 C+ 125 C 
B72547G3200K038


Varistors SR2K20M105XM18
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TDK Availability : 1427
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USD 0.7645
Multiples of: 1

Mlv26 V20 V58 V 1200 A7800 Mj1 uF- 55 C to + 125 CThrough HoleReel Leaded Shcv  - 55 C+ 125 C 
MOV-10D621KTR


Varistors 160pF 620volts 10%
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Bourns Availability : 1426
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USD 0.1332
Multiples of: 1

MOV682 VDC385 VAC1.025 kV10 mm2.5 kA70 J160 pF RadialReel , Cut Tape MOV - 10DxxxKPCB Mount620 V- 40 C+ 85 C 
B72220S2511K502V87


Varistors Through Hole RoHS
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TDK Availability : 1426
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USD 0.1468
Multiples of: 5

   1.355 kV          820 V   
7D390K


Varistors 31V 77V 250A Through Hole RoHS
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Hongzhi Availability : 463
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USD 0.0189
Multiples of: 20

   77 V          35 V ~ 43 V   
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