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. 538-0648
Mfr. Part No.VDRS10P250BSE
PHP36.74
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390V 250V 320V 650V 25A 58J - VDR 13.5mm 2500A 300pF 31.5mm 5.4mm 8mm
RS Stock No. 204-2208
Mfr. Part No.B72220S0271K101
BrandEPCOS
PHP56.178
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
PHP60.916
Each (In a Pack of 5)
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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
PHP10.403
Each (In a Bag of 1000)
units
33V 20V 26V 65V 10A 9.5J - V 15.5mm 2000A 12.2nF 38.5mm - 5mm
RS Stock No. 106-9900
Mfr. Part No.ERZV14D330
BrandPanasonic
PHP10.403
Each (In a Bag of 1000)
units
33V 20V 26V 65V 10A 9.5J - V 15.5mm 2000A 12.2nF 34.5mm - 5mm
RS Stock No. 720-9923
Mfr. Part No.ERZV14D330
BrandPanasonic
PHP32.34
Each (In a Pack of 5)
units
33V 20V 26V 65V 10A 9.5J - V 15.5mm 2000A 12.2nF 38.5mm - 5mm
RS Stock No. 720-9822
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP13.64
Each (In a Pack of 10)
units
200V 130V 170V 340V 10A 17.5J - V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 106-9873
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP5.712
Each (In a Bag of 1000)
units
200V 130V 170V 340V 10A 17.5J - V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 110-1903
Mfr. Part No.ERZV07D201
BrandPanasonic
PHP5.712
Each (In a Bag of 1000)
units
200V 130V 170V 340V 10A 17.5J - V 8.5mm 1750A 200pF 31.5mm - 4.4mm
RS Stock No. 289-7317
Mfr. Part No.B72220S0301K101
BrandEPCOS
PHP57.566
Each (In a Pack of 5)
units
470V 300V 385V 775V 100A 173J Metal Standard 21.5mm 8000A 780pF - - 5.6mm
RS Stock No. 878-2022
Mfr. Part No.V150LA1P
BrandLittelfuse
PHP8.67
Each (In a Pack of 100)
units
275V 150V 200V 430V 10A 13J Metal LA 7mm 1200A 150pF 32mm - 12mm
RS Stock No. 170-2873
Mfr. Part No.B72220S0461K101
BrandEPCOS
PHP42.769
Each (On a Reel of 200)
units
750V 460V 615V 1240V 100A 195J Metal Standard 21.5mm 8000A 380pF - - 6.8mm
RS Stock No. 289-7339
Mfr. Part No.B72220S0461K101
BrandEPCOS
PHP56.08
Each (In a Pack of 5)
units
750V 460V 615V 1240V 100A 195J Metal Standard 21.5mm 8000A 500pF - - 6.8mm
RS Stock No. 785-8960
Mfr. Part No.ERZE14A431
BrandPanasonic
PHP43.732
Each (In a Pack of 5)
units
430V 275V 350V 710V 100A 303J - V 16.5mm 10000A 800pF 40mm - 6.2mm
RS Stock No. 851-8335
Mfr. Part No.MOV-14D471K
BrandBourns
PHP28.79
Each
units
470V 300V 385V 775V 50A 125J Metal MOV-14D 16.5mm 4500A 430pF 40mm - 5.4mm
RS Stock No. 167-8515
Mfr. Part No.B72240B0421K001
BrandEPCOS
PHP1,757.594
Each (In a Box of 10)
units
680V 420V 560V 1120V 300A 910J Metal HighE 40mm 40000A 1.8nF 60mm 14mm 14mm
RS Stock No. 468-217
Mfr. Part No.B72214Q0271K101
BrandEPCOS
PHP59.33
Each (In a Pack of 5)
units
430V 275V 350V 710V 65A 150J - EnergetiQ 16.5mm 8000A 470pF - - 5.8mm
RS Stock No. 267-8273
Mfr. Part No.B72240B0421K001
BrandEPCOS
PHP1,759.31
Each
units
680V 420V 560V 1120V 300A 910J Metal HighE 40mm 40000A 1.8nF 60mm 14mm 14mm
RS Stock No. 289-7187
Mfr. Part No.B72214S0271K101
BrandEPCOS
PHP41.292
Each (In a Pack of 5)
units
430V 275V 350V 710V 50A 71J Metal Standard 15.5mm 4500A 440pF - - 5mm
RS Stock No. 170-2871
Mfr. Part No.B72220S0231K101
BrandEPCOS
PHP31.788
Each (On a Reel of 250)
units
360V 230V 300V 595V 100A 130J Metal Standard 21.5mm 8000A 760pF - - 5.1mm