Metal Oxide Varistors

What are they?
Metal Oxide Varistors, more commonly known as ’MOVs’ are devices that provide excellent transient voltage suppression. They are a type of non-linear device that feature similar characteristics to Zener diodes. They are used to protect vulnerable electronic circuits and components from overvoltage conditions that can cause damage. Any potentially destructive overvoltage energy is dissipated as heat.
Construction:
Metal oxide varistors are typically constructed from zinc oxide and combined with small additions of other metal oxides such as cobalt, magnese or bismuth. These materials are sintered into ceramic casings during manufacture. Although MOVs are available in different formats, they are most commonly radial leaded discs.
Applications:
• Suppression of lightning and other high levels of transient energy
• Low voltage power supplies in DC circuits
• Low voltage power supply in automotive applications
• Protection from internal transients within capacitor discharges, relay switching and inductive load switching

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Description Price Varistor Voltage Maximum AC Voltage Rating Maximum DC Voltage Rating Clamping Voltage Clamping Current Energy Series Diameter Maximum Surge Current Capacitance Length Depth Thickness Dimensions
RS Stock No. 106-9895
Mfr. Part No.ERZV10D471
BrandPanasonic
SGD0.244
Each (In a Bag of 1000)
units
470V 300V 385V 775V - - ZNR - 3500A 230pF - - - 11.5 (Dia.) x 6.2mm
RS Stock No. 720-9908
Mfr. Part No.ERZV10D471
BrandPanasonic
SGD0.529
Each (In a Pack of 10)
units
470V 300V 385V 775V 25A - ZNR 11.5mm 3500A 230pF - - - 11.5 (Dia.) x 6.2mm
RS Stock No. 110-1942
Mfr. Part No.ERZV14D271
BrandPanasonic
SGD0.285
Each (In a Bag of 1000)
units
270V 175V 225V 455V - - ZNR - 6000A 640pF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 720-9967
Mfr. Part No.ERZV14D271
BrandPanasonic
SGD0.808
Each (In a Pack of 5)
units
270V 175V 225V 455V 50A - ZNR 15.5mm 6000A 640pF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 106-9911
Mfr. Part No.ERZV14D271
BrandPanasonic
SGD0.285
Each (In a Bag of 1000)
units
270V 175V 225V 455V - - ZNR - 6000A 640pF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 110-1913
Mfr. Part No.ERZV10D820
BrandPanasonic
SGD0.273
Each (In a Bag of 1000)
units
82V 50V 65V 135V - - ZNR - 3500A 2nF - - - 11.5 (Dia.) x 4.5mm
RS Stock No. 720-9945
Mfr. Part No.ERZV14D101
BrandPanasonic
SGD0.762
Each (In a Pack of 5)
units
100V 60V 85V 165V 50A 35J ZNR 15.5mm 6000A 3.2nF - - 4.7mm 15.5 (Dia.) x 4.7mm
RS Stock No. 106-9905
Mfr. Part No.ERZV14D101
BrandPanasonic
SGD0.286
Each (In a Bag of 1000)
units
100V 60V 85V 165V - - ZNR - 6000A 3.2nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 110-1936
Mfr. Part No.ERZV14D101
BrandPanasonic
SGD0.286
Each (In a Bag of 1000)
units
100V 60V 85V 165V - - ZNR - 6000A 3.2nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 106-9883
Mfr. Part No.ERZV10D820
BrandPanasonic
SGD0.26
Each (In a Bag of 1000)
units
82V 50V 65V 135V - - ZNR - 3500A 2nF - - - 11.5 (Dia.) x 4.5mm
RS Stock No. 720-9863
Mfr. Part No.ERZV10D820
BrandPanasonic
SGD0.492
Each (In a Pack of 10)
units
82V 50V 65V 135V 25A - ZNR 11.5mm 3500A 2nF - - - 11.5 (Dia.) x 4.5mm
RS Stock No. 720-9942
Mfr. Part No.ERZV14D151
BrandPanasonic
SGD0.798
Each (In a Pack of 5)
units
150V 95V 125V 250V 50A - ZNR 15.5mm 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 106-9904
Mfr. Part No.ERZV14D151
BrandPanasonic
SGD0.357
Each (In a Bag of 1000)
units
150V 95V 125V 250V - - ZNR - 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 110-1954
Mfr. Part No.ERZV20D151
BrandPanasonic
SGD0.982
Each (In a Bag of 1000)
units
150V 95V 125V 250V - - ZNR - 10000A 4.5nF - - - 21.5 (Dia.) x 5.6mm
RS Stock No. 785-8916
Mfr. Part No.ERZE11A511
BrandPanasonic
SGD0.498
Each (In a Pack of 25)
units
510V 320V 410V 845V 50A 190J ZNR 13mm 6000A 310pF - - 6.8mm 13 x 6.8mm
RS Stock No. 785-8948
Mfr. Part No.ERZE14A221
BrandPanasonic
SGD1.01
Each (In a Pack of 5)
units
270V 140V 180V 360V 100A 155J ZNR 16.5mm 10000A 1.2nF - - 5.2mm 16.5 x 5.2mm
RS Stock No. 110-1935
Mfr. Part No.ERZV14D151
BrandPanasonic
SGD0.357
Each (In a Bag of 1000)
units
150V 95V 125V 250V - - ZNR - 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 721-0027
Mfr. Part No.ERZV20D221
BrandPanasonic
SGD2.225
Each (In a Pack of 2)
units
220V 140V 180V 360V 100A - ZNR 21.5mm 10000A 1.6nF - - - 21.5 (Dia.) x 5.3mm
RS Stock No. 226-8056
Mfr. Part No.ERZV07D471
BrandPanasonic
SGD0.622
Each (In a Pack of 5)
units
470V 300V 385V 775V 10A 42J ZNR 8.5mm 1750A 100pF - - 5.8mm 8.5 (Dia.) x 5.8mm
RS Stock No. 721-0015
Mfr. Part No.ERZV20D151
BrandPanasonic
SGD2.225
Each (In a Pack of 2)
units
150V 95V 125V 250V 100A 106J ZNR 21.5mm 10000A 4.5nF - - 5.6mm 21.5 (Dia.) x 5.6mm