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
  
                      
Hot V275LA10P


Varistors 275V 200pF
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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 : 14975
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USD 0.0728
Multiples of: 1

   710 V10 mm  200 pF- 55 C to + 85 C Bulk   430 V   
DV275K3225R2


Varistors DV SERIES 275V
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Bourns Availability : 1884
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USD 0.3789
Multiples of: 1

MOV350 VDC275 VAC710 V-400 A13 J90 pF SMD/SMTReel , Cut Tape3225 (8063 METRIC)DVPCB Mount430 V- 40 C+ 125 C 
ERZ-E11A621SC


Varistors 620VDC 0.6W 1mA L/S=7.5mm Cut LD
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Panasonic Availability : 1883
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USD 0.3078
Multiples of: 1

MOV505 VDC385 VAC1025 V14 mm5 kA190 J300 pF RadialBulk ERZ - E - S1PCB Mount620 V- 40 C+ 125 C 
14D561K68RV0007


920V 460V 350V 504V~616V Plugin,P=7.5mm Varistors ROHS
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KNSCHA Availability : 1882
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USD 0.0673
Multiples of: 5

   920 V          504 V ~ 616 V   
VG181231P650DP


Varistors 25VAC 31VDC 3.7J 2600pF 39 V 65V
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Kyocera AVX Availability : 1881
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USD 0.4993
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Mlv31 VDC25 VAC65 V-800 A3.7 J2600 pF- 55 C to + 125 CSmd/SmtReel1812 (4532 METRIC)Vg 39 V- 55 C+ 125 C 
ERZ-V07V180CS


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 1880
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USD 0.1091
Multiples of: 1

                  
ERZ-E14A221SC


Varistors 220VDC 1W 7500A L/S=10mm Cut LD
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Panasonic Availability : 1880
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USD 0.0925
Multiples of: 1

MOV180 VDC140 VAC360 V16.5 mm7.5 kA155 J1200 pF RadialBulk ERZ - E - S1PCB Mount220 V- 40 C+ 125 C 
VDRS10P420BSE


Varistors 420volts 13 5mm
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Vishay Availability : 1880
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USD 0.3266
Multiples of: 1

Mov560 V420 V1.12 kV13.5 mm2.5 kA73 J165 pF- 40 C to + 85 CRadialBulk Vdrs..E 680 V- 40 C+ 85 C 
B72220R2301K101


Varistors 300V 20mm 2pin ThermoFuse Varistor
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TDK Availability : 1878
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USD 0.9923
Multiples of: 1

Mov385 VDC300 VAC775 V23 mm10 kA250 J780 pF RadialBulk Nt20 470 V- 40 C+ 85 C 
14D821K


Varistors 670V 4.5KA Through Hole RoHS
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Ruilongyuan Availability : 1875
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USD 0.096
Multiples of: 5

   1.355 kV          738 V ~ 902 V   
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