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
  
                      
TMOV20RP460EL2T7


Varistors THERMALLY PROTECTED VARISTOR 20MM
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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 : 1842
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USD 1.1615
Multiples of: 1

MOV610 VDC460 VAC1.24 kV20 mm10 kA360 J200 pF RadialReel , Cut Tape TMOVPCB Mount825 V- 55 C+ 85 C 
CVQ150K7BL1


Varistors CVQ 150Vrms 7mm Bulk L1
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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 : 1840
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USD 0.13
Multiples of: 1

MOV200 VDC150 VAC395 V9 mm1.75 kA23 J280 pF Radial  CVQThrough Hole240 V- 40 C+ 85 C 
V300LA40APX10


Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE
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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 : 1840
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USD 0.4713
Multiples of: 1

MOV405 VDC300 VAC775 V20 mm6.5 kA165 J800 pF RadialBulk LAPCB Mount517 V- 55 C+ 85 C 
ERZ-E14A391


Varistors 14mm D type 390volts 10KA 275J 800pF
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Panasonic Availability : 1839
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USD 0.3366
Multiples of: 1

MOV320 VDC250 VAC650 V16.5 mm10 kA275 J800 pF RadialBulk ERZ - E10PCB Mount390 V- 40 C+ 85 C 
Hot VDRUS10T250BSE


Varistors 250V 4500A 10D Radial
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Vishay Availability : 1838
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USD 0.0499
Multiples of: 1

Mov320 VDC250 VAC650 V12.5 mm4.5 kA82 J300 pF RadialBulk VdrusPcb Mount390 V- 40 C+ 125 C 
V3.5MLA0603NA


Varistors MULTI-LAYER VARISTOR SURFACE MOUNT
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Littelfuse Availability : 1838
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USD 0.1927
Multiples of: 1

MLV3.5 VDC2.5 VAC13 V-30 A0.1 J1270 pF SMD/SMTBulk0603 (1608 METRIC)MLAPCB Mount7 V- 55 C+ 125 C 
5D511K


845V 0.1W 50pF@1kHz 16J 415V 320V 510V 400A Radial Leaded,P=7mm Varistors ROHS
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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.

SURGING Availability : 1837
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USD 0.0278
Multiples of: 10

                  
VZ14D431KBS-N


Var MOV 275VAC/370VDC 4500A 473V Radial Bulk
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World Products Availability : 1836
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USD 0.1932
Multiples of: 300

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ERZ-E07B471CS


Varistors ERZ-E 7mm 470V Bulk ZNR Surge Absorber
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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 : 1835
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USD 0.1175
Multiples of: 1

MOV385 VDC300 VAC775 V9 mm2.5 kA65 J230 pF RadialBulk ERZ - E10PCB Mount470 V- 40 C+ 85 C 
ERZ-E11A431S1


Varistors 430VDC 0.6W 1mA L/S=7.5mm Long LD
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Panasonic Availability : 1833
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USD 0.2423
Multiples of: 1

MOV350 VDC275 VAC710 V13 mm6 kA155 J400 pF RadialBulk ERZ - E - S1PCB Mount430 V- 40 C+ 125 C 
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