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
  
                      
SV150K20BL1


Varistors SV 150 K 20 B 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 : 372
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USD 0.5841
Multiples of: 1

MOV200 VDC150 VAC360 V22.5 mm12000 A213 J1740 pF Radial  SVThrough Hole240 V- 40 C+ 85 C 
B72232B551K1


Varistors 550V RMS 32MM Varistor B32K550
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TDK Availability : 372
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USD 18.7668
Multiples of: 1

MOV745 VDC550 VAC1.5 kV32 mm25 kA620 J1000 pF ScrewBulk HighEChassis Mount910 V- 40 C+ 105 C 
ZVR10D511KL8B7A0


840V 430V 320V 510V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 371
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USD 0.0436
Multiples of: 5

   840 V          510 V   
ZVR14D221KL8B7A0


360V 180V 140V Plugin Varistors ROHS
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South HongMing Availability : 371
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USD 0.0857
Multiples of: 1

   360 V          -   
V68MA3A


Littelfuse Varistors 68V 40A 150pF
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Littelfuse Availability : 371
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USD 0.4241
Multiples of: 1

MOV48 VDC38 VAC138 V3 mm40 A0.26 J150 pF RadialBulk MAPCB Mount68 V- 55 C+ 85 C 
VDRS20W680BSE


Varistors 680volts 6500A 20D Radial
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Vishay Availability : 371
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USD 1.3915
Multiples of: 1

MOV320 VDC680 VAC1815 V20 mm6500 A496 J310 pF RadialBulk VDRSPCB Mount1100 V- 40 C+ 125 C 
ZVR07D561KP6F5A0


925V 468V 356V 560V Plugin,P=5mm Varistors ROHS
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South HongMing Availability : 370
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USD 0.0284
Multiples of: 10

   925 V          560 V   
471KD10J


Varistors 470V 3.5KA MOV Disc 10mm
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Yageo Availability : 370
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USD 0.0473
Multiples of: 10

MOV385 VDC300 VAC775 V10 mm3.5 kA85 J210 pF RadialBulk 10DPCB Mount470 V- 40 C+ 105 C 
VC06LC18X500DP


Varistors 18volt .05J Energy Static Guard
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Kyocera AVX Availability : 370
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USD 0.1782
Multiples of: 1

Mlv18 V14 V50 V 30 A0.05 J50 pF- 55 C to + 125 CSmd/SmtReel0603 (1608 METRIC)Staticguard 40 V- 55 C+ 125 C 
10D271K


Varistors 225V 455V 2.5KA Through Hole RoHS
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Hongzhi Availability : 369
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USD 0.028
Multiples of: 10

   455 V          243 V ~ 297 V   
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