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. 106-9856
Mfr. Part No.ERZV05D270
BrandPanasonic
€0.078
Each (In a Bag of 1000)
units
27V 17V 22V 60V - - ZNR - 250A 1.45nF - - - 7 (Dia.) x 4.5mm
RS Stock No. 110-1945
Mfr. Part No.ERZV14D431
BrandPanasonic
€0.211
Each (In a Bag of 1000)
units
430V 275V 350V 710V - - ZNR - 6000A 450pF - - - 15.5 (Dia.) x 6mm
RS Stock No. 106-9857
Mfr. Part No.ERZV05D390
BrandPanasonic
€0.081
Each (In a Bag of 1000)
units
39V 25V 31V 86V - - ZNR - 250A 700pF - - - 7 (Dia.) x 4.5mm
RS Stock No. 785-8821
Mfr. Part No.ERZE10A201
BrandPanasonic
€2.40
1 Pack of 25
Pack(s)
200V 130V 170V 340V 10A 47J ZNR 11.5mm 4500A 630pF - - 5.3mm 11.5 (Dia.) x 5.3mm
RS Stock No. 162-1436
Mfr. Part No.B72205S0350K101
BrandEPCOS
€0.10
Each (On a Reel of 1000)
units
56V 35V 45V 110V 1A 1.1J Standard 7mm 100A 620pF - - 3.7mm 7 (Dia.) x 3.7mm
RS Stock No. 720-9730
Mfr. Part No.ERZV05D390
BrandPanasonic
€0.277
Each (In a Pack of 10)
units
39V 25V 31V 86V 1A - ZNR 7mm 250A 700pF - - - 7 (Dia.) x 4.5mm
RS Stock No. 110-1875
Mfr. Part No.ERZV05D220
BrandPanasonic
€0.045
Each (In a Bag of 10000)
units
22V 14V 18V 48V - - ZNR - 250A 1.5nF - - - 7 (Dia.) x 4.5mm
RS Stock No. 800-7093
Mfr. Part No.V39ZA1P
BrandLittelfuse
€0.222
Each (In a Pack of 25)
units
43V 25V 31V 79V 2.5A 1.2J ZA 9mm 250A 1.35nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 170-2906
Mfr. Part No.B72214S0321K101
BrandEPCOS
€0.164
Each (On a Reel of 250)
units
510V 320V 420V - 4500A 84J StandarD 15.5mm - 280pF - - 5.4mm 15.5 (Dia.) x 5.4mm
RS Stock No. 178-071
Mfr. Part No.VDRS07H275BSE
BrandVishay
€0.116
Each (In a Pack of 5)
units
430V 275V 350V 710V 10A 36J VDRS - E 9mm 1200A 140pF - - 4.9mm 9 (Dia.) x 4.9mm
RS Stock No. 171-0004
Mfr. Part No.V320LA40BP
BrandLittelfuse
€0.476
Each (In a Bag of 400)
units
540V 320V 420V 810V 100A 150J LA 23mm 6500A 750pF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 878-1996
Mfr. Part No.V20E130P
BrandLittelfuse
€0.599
Each (In a Pack of 50)
units
225.5V 130V 170V 340V - - UltraMOV - 10000A 1.9nF - - - 23 (Dia.) x 26.5mm
RS Stock No. 204-1974
Mfr. Part No.B72220S0200K101
BrandEPCOS
€0.81
Each (In a Pack of 5)
units
33V 20V 26V 65V 20A 18J Standard 21.5mm 2000A 13nF - - 5.1mm 21.5 (Dia.) x 5.1mm
RS Stock No. 769-2029
Mfr. Part No.B72660M0301K072
BrandEPCOS
€0.888
Each (In a Pack of 5)
units
470V 300Vrms 385V 775V 10A - CU - 1200A 90pF 10.2mm 8mm 4.5mm 10.2 x 8 x 4.5mm
RS Stock No. 769-1524
Mfr. Part No.B72214S0321K101
BrandEPCOS
€0.313
Each (In a Pack of 10)
units
510V 320V 420V - 4500A 84J StandarD 15.5mm - 280pF - - 5.4mm 15.5 (Dia.) x 5.4mm
RS Stock No. 543-4975
Mfr. Part No.V150LA5P
BrandLittelfuse
€0.196
Each (In a Pack of 5)
units
268V 150V 200V 395V 25A 25J LA 12.5mm 2500A 360pF - - 5.6mm 12.5 (Dia.) x 5.6mm
RS Stock No. 181-4489
Mfr. Part No.CG0603MLC-05E
BrandBourns
€0.144
Each (On a Reel of 250)
units
5V - 5V 30V - - G0603MLC-05E - - 0.2pF 1.6mm 0.85mm 0.51mm 1.6 x 0.85 x 0.51mm
RS Stock No. 170-9982
Mfr. Part No.V420LA20AP
BrandLittelfuse
€0.221
Each (In a Bag of 600)
units
610 → 748V 420V 560V 1120V 50A 90J LA 17mm 4500A 300pF - - 7.3mm 17 (Dia.) x 7.3mm
RS Stock No. 720-9942
Mfr. Part No.ERZV14D151
BrandPanasonic
€0.442
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. 720-9901
Mfr. Part No.ERZV10D391
BrandPanasonic
€0.293
Each (In a Pack of 10)
units
390V 250V 320V 650V 25A 70J ZNR 11.5mm 3500A 300pF - - 5.8mm 11.5 (Dia.) x 5.8mm
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Description:
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