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-E11A911S1


Varistors 910VDC 0.6W 1mA L/S=7.5mm Long LD
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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 : 939
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USD 0.2981
Multiples of: 1

MOV745 VDC550 VAC1500 V14 mm5 kA255 J240 pF RadialBulk ERZ - E - S1PCB Mount910 V- 40 C+ 125 C 
V2AF105C150Y1FDP


Varistors 5.6Vdc 18volts 120A 0805
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Kyocera AVX Availability : 939
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USD 0.315
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Mlv5.6 V4 V18 V 120 A0.3 J2500 pF- 55 C to + 125 CSmd/SmtReel0805 (2012 METRIC)V2af 8.5 V- 55 C+ 125 C 
Hot VDRUS14X300BSE


Varistors 300V 8000A 14D Radial
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Vishay Availability : 937
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USD 0.0803
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Mov385 VDC300 VAC775 V16.5 mm8 kA205 J400 pF RadialBulk VdrusPcb Mount470 V- 40 C+ 125 C 
ERZ-V10D330CS


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 937
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USD 0.1944
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MOV26 VDC20 VAC65 V10 mm1 kA4.8 J6300 pF Radial  VPCB Mount33 V- 40 C+ 85 C 
B72650M0151K093


EPCOS TDK Varistors Varistor CU3225K150G2K1
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TDK Availability : 937
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USD 0.3983
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  150 VAC       Reel Cu     
V250LA4PX2855


Varistors RADIAL VARISTOR 7MM ROHSLEAD FREE
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Littelfuse Availability : 937
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USD 0.1836
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          Bulk       
ERZ-V07V820CS


Varistors ZNR Transient/Surge Absorbers Type D
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Panasonic Availability : 936
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USD 0.0943
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MOV65 VDC50 VAC135 V7 mm1.75 kA5 J810 pF Radial  VPCB Mount82 V- 40 C+ 85 C 
ERZ-E11F511


Varistors ERZ-E 11mm 510V T&R ZNR Surge Absorber
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Panasonic Availability : 936
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USD 0.162
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MOV410 VDC320 VAC845 V13 mm6 kA190 J310 pF RadialReel , Cut Tape ERZ - E10PCB Mount510 V- 40 C+ 85 C 
TVZ25D201KBS


Thermally Protected Varistor - MOV 130VAC/175VDC - Surge Current 18000A - Varistor Voltage 225V-Pin Lead Style - Automotive Bulk Packaging
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World Products Availability : 936
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USD 1.9264
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          -       
ERZ-V20D821


Varistors 820V 6500A ZNR SUR ABSORBER 20MM
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Panasonic Availability : 935
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USD 1.5065
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Mov670 V510 V1355 V20 mm7.5 kA460 J530 pF- 40 C to + 85 CRadial  V 820 V- 40 C+ 85 C 
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