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. 170-9994
Mfr. Part No.V82ZA05P
BrandLittelfuse
€0.162
Each (In a Bag of 1500)
units
73 → 97V 50V 68V 135V 5A 2J ZA 7mm 400A 355pF - - 5.6mm 7 (Dia.) x 5.6mm
RS Stock No. 760-7074
Mfr. Part No.V82ZA05P
BrandLittelfuse
€0.048
Each (In a Pack of 25)
units
73 → 97V 50V 68V 135V 5A 2J ZA 7mm 400A 355pF - - 5.6mm 7 (Dia.) x 5.6mm
RS Stock No. 543-5142
Mfr. Part No.V275LA40AP
BrandLittelfuse
€0.72
Each (In a Pack of 5)
units
473V 275V 369V 710V 100A 140J LA 23mm 6500A 900pF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 876-8007
Mfr. Part No.V250LA40CPX620
BrandLittelfuse
€1.03
Each (In a Pack of 50)
units
413V 250V - 620V - - C-III - 10000A - - - - 23 (Dia.) x 28mm
RS Stock No. 170-9914
Mfr. Part No.V275LA40AP
BrandLittelfuse
€0.31
Each (In a Bag of 500)
units
473V 275V 369V 710V 100A 140J LA 23mm 6500A 900pF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 760-7018
Mfr. Part No.V420LA20AP
BrandLittelfuse
€0.544
Each (In a Pack of 5)
units
610 → 748V 420V 560V 1120V 50A 90J LA 17mm 4500A 300pF - - 7.3mm 17 (Dia.) x 7.3mm
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. 170-9995
Mfr. Part No.V82ZA12P
BrandLittelfuse
€0.244
Each (In a Bag of 700)
units
73 → 91V 50V 68V 145V 50A 15J ZA 14mm 4500A 3.38nF - - 5.6mm 14 (Dia.) x 5.6mm
RS Stock No. 800-7080
Mfr. Part No.V320LA40BP
BrandLittelfuse
€0.531
Each (In a Pack of 10)
units
540V 320V 420V 810V 100A 150J LA 23mm 6500A 750pF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 171-0008
Mfr. Part No.V39ZA1P
BrandLittelfuse
€149.50
1 Bag of 1500
Bag(s)
43V 25V 31V 79V 2.5A 1.2J ZA 9mm 250A 1.35nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 760-6872
Mfr. Part No.V150LA20BP
BrandLittelfuse
€0.966
Each (In a Pack of 5)
units
212 → 243V 150V 200V 360V 100A 80J LA 23mm 6500A 1.6nF - - 5.6mm 23 (Dia.) x 5.6mm
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. 170-9957
Mfr. Part No.V150LA20BP
BrandLittelfuse
€0.44
Each (In a Bag of 500)
units
212 → 243V 150V 200V 360V 100A 80J LA 23mm 6500A 1.6nF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 760-6885
Mfr. Part No.V150ZA8P
BrandLittelfuse
€0.538
Each (In a Pack of 5)
units
135 → 165V 95V 127V 250V 50A 20J ZA 17mm 4500A 1.91nF - - 5mm 17 (Dia.) x 5mm
RS Stock No. 171-0014
Mfr. Part No.V33MLA1206H
BrandLittelfuse
€719.81
1 Reel of 2500
Reel(s)
49V 26V 33V 75V 1A 0.8J ML - 180A 500pF 3.2mm 1.8mm 1.6mm 3.2 x 1.6 x 1.8mm
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. 878-2003
Mfr. Part No.V130LA1P
BrandLittelfuse
€0.222
Each (In a Pack of 100)
units
242V 130V 175V 390V - - LA - 1200A 180pF - - - 9 (Dia.) x 12mm
RS Stock No. 170-9936
Mfr. Part No.V9MLA0805LH
BrandLittelfuse
€0.147
Each (On a Reel of 2500)
units
11 → 16V 6.5V 9V 25.5V 1A 0.1J ML - 40A 520pF 2.01mm 1.25mm 1.1mm 2.01 x 1.25 x 1.1mm
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. 800-7122
Mfr. Part No.V33MLA1206H
BrandLittelfuse
€0.889
Each (In a Pack of 10)
units
49V 26V 33V 75V 1A 0.8J ML - 180A 500pF 3.2mm 1.8mm 1.6mm 3.2 x 1.6 x 1.8mm