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 Material Series Diameter Maximum Surge Current Capacitance Length Depth Thickness
RS Stock No. 240-179
BrandRS PRO
PHP1,230.28
Each
units
400V 275V 370V 680V - 180J - High Power 32mm 10000A 1.9nF - - 4mm
RS Stock No. 240-236
BrandRS PRO
PHP2,851.93
Each
units
- 275V 365V - - 360J - High Power - - - 61mm 50mm 40mm
RS Stock No. 240-185
BrandRS PRO
PHP1,520.76
Each
units
610V 420V 560V 1050V - 260J - High Power 32mm 10000A 1.71nF - - 5.5mm
RS Stock No. 240-157
BrandRS PRO
PHP801.95
Each
units
710V 484V 640V 1200V - 380J - High Power 36mm 12000A 1.94nF - - 6mm
RS Stock No. 240-208
BrandRS PRO
PHP1,135.84
Each
units
710V 484V 640V 1200V - 320J - High Power 32mm 10000A 1.62nF - - 6mm
RS Stock No. 240-113
BrandRS PRO
PHP837.25
Each
units
360V 250V 330V 620V - 190J - High Power 36mm 12000A 3.085nF - - 4mm
RS Stock No. 240-129
BrandRS PRO
PHP900.16
Each
units
400V 275V 370V 680V - 215J - High Power 36mm 12000A 2.28nF - - 4mm
RS Stock No. 240-242
BrandRS PRO
PHP3,268.83
Each
units
- 460V 605V - - 500J - High Power - - - 61mm 50mm 40mm
RS Stock No. 240-141
BrandRS PRO
PHP931.75
Each
units
670V 460V 615V 1140V - 350J - High Power 36mm 12000A 2.05nF - - 6mm
RS Stock No. 538-0648
Mfr. Part No.VDRS10P250BSE
PHP43.22
Each
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390V 250V 320V 650V 25A 58J ZnO Ceramic VDR 13.5mm 2500A 300pF 31.5mm 5.4mm 8mm
RS Stock No. 204-2208
Mfr. Part No.B72220S0271K101
BrandEPCOS
PHP58.874
Each (In a Pack of 5)
units
430V 275V 350V 710V 100A 151J Metal B72220 21.5mm 8000A 630pF - 2.3mm 5.4mm
RS Stock No. 289-7272
Mfr. Part No.B72220S0151K101
BrandEPCOS
PHP63.84
Each (In a Pack of 5)
units
240V 150V 200V 395V 100A 85J Metal Standard 21.5mm 8000A 1.55nF - - 4.9mm
RS Stock No. 110-1931
Mfr. Part No.ERZV14D330
BrandPanasonic
PHP10.462
Each (In a Bag of 1000)
units
33V 20V 26V 65V 10A 9.5J ZNR V 15.5mm 2000A 12.2nF 38.5mm - 5mm
RS Stock No. 106-9900
Mfr. Part No.ERZV14D330
BrandPanasonic
PHP10.462
Each (In a Bag of 1000)
units
33V 20V 26V 65V 10A 9.5J ZNR V 15.5mm 2000A 12.2nF 34.5mm - 5mm
RS Stock No. 720-9923
Mfr. Part No.ERZV14D330
BrandPanasonic
PHP33.892
Each (In a Pack of 5)
units
33V 20V 26V 65V 10A 9.5J ZNR V 15.5mm 2000A 12.2nF 38.5mm - 5mm
RS Stock No. 720-9822
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP16.412
Each (In a Pack of 10)
units
200V 130V 170V 340V 10A 17.5J ZNR V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 110-1903
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP5.87
Each (In a Bag of 1000)
units
200V 130V 170V 340V 10A 17.5J ZNR V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 106-9873
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP5.87
Each (In a Bag of 1000)
units
200V 130V 170V 340V 10A 17.5J ZNR V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 289-7317
Mfr. Part No.B72220S0301K101
BrandEPCOS
PHP60.33
Each (In a Pack of 5)
units
470V 300V 385V 775V 100A 173J Metal Standard 21.5mm 8000A 780pF - - 5.6mm
RS Stock No. 289-7339
Mfr. Part No.B72220S0461K101
BrandEPCOS
PHP57.11
Each (In a Pack of 5)
units
750V 460V 615V 1240V 100A 195J Metal Standard 21.5mm 8000A 500pF - - 6.8mm