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-VF2M391


Varistors 390V 300A SMD SUR ABSORB ZNR VF
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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 : 4897
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USD 0.7075
Multiples of: 2000

Mov320 V250 V650 V6 mm300 A9 J - 40 C to + 85 CSmd/Smt  Mk 390 V   
Hot V275LA40APX10


Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE
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Littelfuse Availability : 4893
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USD 0.1758
Multiples of: 1

Mov369 V275 V710 V20 mm6500 A140 J900 pF- 55 C to + 85 CRadialBulk La 473 V- 55 C+ 85 C 
NVD07UCD100


KOA Speer Varistors 100Volt 7mm
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KOA Speer Availability : 4892
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USD 0.0812
Multiples of: 1

Mov85 VDC60 VAC165 V7 mm1.25 kA6 J-- 40 C to + 125 CRadialReel Nvd 100 VDC- 40 C+ 85 CAec - Q200
MOV-14D301KTR


Varistors 300volts 14mm
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Bourns Availability : 4883
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USD 0.1238
Multiples of: 1

MOV300 VDC190 VAC500 V14 mm4.5 kA77 J670 pF RadialReel , Cut Tape MOV - 14DxxxKPCB Mount300 V- 40 C+ 85 C 
14D511K


Varistors 415V 845V 4.5KA Through Hole RoHS
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Ruilongyuan Availability : 4879
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USD 0.0688
Multiples of: 5

   845 V          459 V ~ 561 V   
Hot B72520T140K62


Var MOV 14VAC/18VDC 200A 22V 1206 SMD Blister T/R
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TDK Availability : 4875
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USD 0.1378
Multiples of: 1

MLV18 VDC14 VAC38 V-200 A500 mJ700 pF SMD/SMTReel , Cut Tape CTPCB Mount22 V- 55 C+ 125 C 
B72540E3140S272


Var MLV 14VAC/16VDC 1200A 22V to 27V 2220 SMD Automotive T/R
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TDK Availability : 4872
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USD 1.5899
Multiples of: 1

                  
VC121048H101TP


Varistors 34VAC 48VDC 1.2J 500pF 62 V 100V
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Kyocera AVX Availability : 4869
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USD 0.2112
Multiples of: 1

MLV48 VDC34 VAC100 V-250 A1.2 J500 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)VCPCB Mount62 V- 55 C+ 125 C 
MOV-20D112K


Bourns Varistors 1100volts 20mm
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Bourns Availability : 4869
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USD 0.5812
Multiples of: 1

MOV1.1 KVDC680 VAC1.815 kV20 mm4.5 kA213 J180 pF RadialBulk MOV - 20DxxxKPCB Mount1100 V- 40 C+ 85 C 
FTR20D621KJ


Varistors 505V 1025V 6.5KA Through Hole,P=10mm RoHS
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FTR Availability : 4857
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USD 0.1323
Multiples of: 5

   1025 V          558 V ~ 682 V   
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