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. 851-8341
Mfr. Part No.MOV-14D561K
BrandBourns
MYR1.50
Each
units
560V - 460V 925V 50A 125J MOV-14D 16.5mm - 360pF - - 6mm 16.5 (Dia.) x 6mm
RS Stock No. 110-1921
Mfr. Part No.ERZV10D271
BrandPanasonic
MYR642.00
1 Bag of 1000
Bag(s)
270V 175V 225V 455V - - ZNR - 3500A 350pF - - - 11.5 (Dia.) x 5.2mm
RS Stock No. 289-7187
Mfr. Part No.B72214S0271K101
BrandEPCOS
MYR2.25
Each (In a Pack of 5)
units
430V 275V 350V 710V 50A 71J Standard 15.5mm 4500A 440pF - - 5mm 15.5 (Dia.) x 5mm
RS Stock No. 669-4370
Mfr. Part No.820422711
MYR4.69
Each (In a Pack of 5)
units
430V 275V 350V 710V 100A 303J WE-VD 23mm 10000A 860pF - - 5.7mm 23 (Dia.) x 5.7mm
RS Stock No. 785-8972
Mfr. Part No.ERZE14A511
BrandPanasonic
MYR3.75
Each (In a Pack of 5)
units
510V 320V 410V 845V 100A 382J ZNR 16.5mm 10000A 700pF - - 6.6mm 16.5 x 6.6mm
RS Stock No. 851-8382
Mfr. Part No.MOV-20D431K
BrandBourns
MYR1.97
Each
units
430V - 350V 710V 100A 190J MOV-20D 23mm - 930pF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 289-7121
Mfr. Part No.B72214S0500K101
BrandEPCOS
MYR1.452
Each (In a Pack of 5)
units
82V 50V 65V 135V 50A 15J Standard 15.5mm 4500A 1.8nF - - 3.9mm 15.5 (Dia.) x 3.9mm
RS Stock No. 106-9873
Mfr. Part No.ERZV07D201
BrandPanasonic
MYR458.00
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS Stock No. 162-1435
Mfr. Part No.B72214S0500K101
BrandEPCOS
MYR1.097
Each (On a Reel of 500)
units
82V 50V 65V 135V 50A 15J Standard 15.5mm 4500A 1.8nF - - 3.9mm 15.5 (Dia.) x 3.9mm
RS Stock No. 170-9949
Mfr. Part No.V1000LA80AP
BrandLittelfuse
MYR2.26
Each (In a Bag of 300)
units
1425 → 1800V 1000V 1200V 2700V 50A 220J LA 17mm 4500A 130pF - - 10.8mm 17 (Dia.) x 10.8mm
RS Stock No. 204-1930
Mfr. Part No.B72214S0300K101
BrandEPCOS
MYR2.25
Each (In a Pack of 5)
units
47V 30V 38V 30V 10A 9J Standard 15.5mm 1000A 4.95nF - - 4.4mm 15.5 (Dia.) x 4.4mm
RS Stock No. 110-1928
Mfr. Part No.ERZV14D180
BrandPanasonic
MYR761.00
1 Bag of 1000
Bag(s)
18V 11V 14V 36V - - ZNR - 2000A 25nF - - - 15.5 (Dia.) x 4.6mm
RS Stock No. 720-9917
Mfr. Part No.ERZV14D180
BrandPanasonic
MYR1.468
Each (In a Pack of 5)
units
18V 11V 14V 36V 10A 5.2J ZNR 15.5mm 2000A 25nF - - 4.6mm 15.5 (Dia.) x 4.6mm
RS Stock No. 163-3859
Mfr. Part No.820422711
MYR4.70
Each (On a Reel of 500)
units
430V 275V 350V 710V 100A 303J WE-VD 23mm 10000A 860pF - - 5.7mm 23 (Dia.) x 5.7mm
RS Stock No. 769-1505
Mfr. Part No.B72207S0321K101
BrandEPCOS
MYR1.25
Each (In a Pack of 10)
units
510V 320V 420V - 1200A 25J StandarD 9mm - 90pF - - 4.8mm 9 (Dia.) x 4.8mm
RS Stock No. 760-6841
Mfr. Part No.V1000LA80AP
BrandLittelfuse
MYR8.114
Each (In a Pack of 5)
units
1425 → 1800V 1000V 1200V 2700V 50A 220J LA 17mm 4500A 130pF - - 10.8mm 17 (Dia.) x 10.8mm
RS Stock No. 720-9822
Mfr. Part No.ERZV07D201
BrandPanasonic
MYR0.879
Each (In a Pack of 10)
units
200V 130V 170V 340V 10A 17.5J ZNR 8.5mm 1750A 200pF - - 4.4mm 8.5 (Dia.) x 4.4mm
RS Stock No. 170-9953
Mfr. Part No.V130LA20BP
BrandLittelfuse
MYR1.493
Each (In a Bag of 500)
units
184 → 220V 130V 175V 325V 100A 70J LA 23mm 6500A 1.9nF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 204-1918
Mfr. Part No.B72214S0200K101
BrandEPCOS
MYR2.13
Each (In a Pack of 5)
units
33V 20V 26V 65V 10A 6J Standard 15.5mm 1000A 6.8nF - - 4.6mm 15.5 (Dia.) x 4.6mm
RS Stock No. 110-1903
Mfr. Part No.ERZV07D201
BrandPanasonic
MYR458.00
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
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