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. 106-9883
Mfr. Part No.ERZV10D820
BrandPanasonic
MYR623.17
1 Bag of 1000
Bag(s)
82V 50V 65V 135V - - ZNR - 3500A 2nF - - - 11.5 (Dia.) x 4.5mm
RS Stock No. 876-8136
Mfr. Part No.V10E130
BrandLittelfuse
MYR1.436
Each (In a Pack of 50)
units
225.5V 130V 170V 340V - - UltraMOV - 3500A 450pF - - - 12.5 (Dia.) x 16mm
RS Stock No. 171-0007
Mfr. Part No.V47ZA1P
BrandLittelfuse
MYR434.31
1 Bag of 1500
Bag(s)
52V 30V 38V 93V 2.5A 1.8J ZA 9mm 250A 1.245nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 167-6868
Mfr. Part No.VC32M00231KBA
BrandAVX
MYR7,137.97
1 Reel of 1000
Reel(s)
360V 230V 300V 595V 10A 20J VC32 - 400A 100pF 8.51mm 5.26mm 2.03mm 8.51 x 5.26 x 2.03mm
New
RS Stock No. 187-8308
Mfr. Part No.ERZE14A201S1
BrandPanasonic
MYR3.46
Each (In a Pack of 10)
units
200V 130V 170V 340V 100A 140J E14-S1 16.5mm 7500A 1300pF - - 5.2mm 16.5 Dia. x 5.2mm
RS Stock No. 720-9759
Mfr. Part No.ERZV05D101
BrandPanasonic
MYR1.207
Each (In a Pack of 10)
units
100V 60V 85V 175V 5A 4J ZNR 7mm 800A 400pF - - 4.3mm 7 (Dia.) x 4.3mm
RS Stock No. 720-9932
Mfr. Part No.ERZV14D680
BrandPanasonic
MYR1.49
Each (In a Pack of 5)
units
68V 40V 65V 135V 10A 20J ZNR 15.5mm 2000A 5.5nF - - 5.3mm 15.5 (Dia.) x 5.3mm
RS Stock No. 170-9970
Mfr. Part No.V27ZA4P
BrandLittelfuse
MYR1.836
Each (In a Bag of 700)
units
23 → 31.1V 17V 22V 53V 10A 5J ZA 17mm 1000A 11.48nF - - 5mm 17 (Dia.) x 5mm
RS Stock No. 138-9298
Mfr. Part No.B72220S2381K101
BrandEPCOS
MYR6.034
Each (In a Bag of 5)
units
620V 385Vrms 505V 1025V 100A 273J Advanced - 10000A 600pF 21.5mm 26mm 7.6mm 21.5 x 7.6 x 26mm
RS Stock No. 106-7956
Mfr. Part No.ERZE08A431
BrandPanasonic
MYR564.28
1 Bag of 1000
Bag(s)
430V 275V 350V 710V - - ZNR - 3500A 230pF - - - 10.5 x 6.5mm
New
RS Stock No. 187-7627
Mfr. Part No.VTA7080531C650DP
BrandAVX
MYR1.152
Each (In a Pack of 25)
units
25 V ac, 31 V dc 25V 31 65V - 0.3J VT - 80A 275pF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm
RS Stock No. 775-2751
Mfr. Part No.B72510E0250K062
BrandEPCOS
MYR0.806
Each (In a Pack of 100)
units
35.1 → 42.9V 25V 31V 67V 1A 0.3J - - 80A 250pF 2mm 1.25mm - 2 x 1.25 x 1.4mm
RS Stock No. 167-0466
Mfr. Part No.B72242L0381K100
BrandEPCOS
MYR313.427
Each (In a Box of 50)
units
620V 385Vrms 505V 1025V 300A 800J LS42 - 65000A 1.9nF 37.5mm 39mm 10.6mm 37.5 x 39 x 10.6mm
New
RS Stock No. 187-8361
Mfr. Part No.ERZE14A331S1
BrandPanasonic
MYR3.46
Each (In a Pack of 10)
units
330V 210V 270V 545V 100A 228J E14-S1 16.5mm 7500A 900pF - - 5.9mm 16.5 Dia. x 5.9mm
RS Stock No. 769-2013
Mfr. Part No.B72660M0171K072
BrandEPCOS
MYR6.022
Each (In a Pack of 5)
units
270V 175Vrms 225V 455V 10A - CU - 1200A 150pF 10.2mm 8mm 3.2mm 10.2 x 8 x 3.2mm
RS Stock No. 138-9286
Mfr. Part No.B72210S0950K101
BrandEPCOS
MYR1.568
Each (In a Bag of 20)
units
150V 95Vrms 125V 250V 25A 15J Standard - 2500A 690pF 12mm 14.5mm 4mm 12 x 4 x 14.5mm
RS Stock No. 138-9259
Mfr. Part No.B72205S0400K101
BrandEPCOS
MYR1.054
Each (In a Bag of 20)
units
68V 40Vrms 56V 135V 1A 1.3J Standard - 100A 520pF 7mm 8.5mm 3.9mm 7 x 3.9 x 8.5mm
RS Stock No. 179-7302
Mfr. Part No.B72225S4131K101
BrandEPCOS
MYR19.16
Each (In a Bag of 5)
units
205V 130V 170V 340V 150A 185J S25 27.5mm 20000A 3800pF - - 5.7mm 27.5 Dia. x 5.7mm
RS Stock No. 204-2056
Mfr. Part No.B72207S0251K101
BrandEPCOS
MYR2.302
Each (In a Pack of 5)
units
390V 250V 320V 650V 10A 19J Standard 9mm 1200A 105pF - - 4.2mm 9 (Dia.) x 4.2mm
RS Stock No. 171-0021
Mfr. Part No.V68MLA1206H
BrandLittelfuse
MYR3,074.11
1 Reel of 2500
Reel(s)
90V 50V 68V 140V 1A 1J ML - 180A 100pF 3.2mm 1.8mm 1.6mm 3.2 x 1.6 x 1.8mm
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