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. 170-9926
Mfr. Part No.V68MLA1206A
BrandLittelfuse
PHP26.901
Each (In a Bag of 2500)
units
90V 50V 68V 140V 1A 1J ML - 180A 100pF 3.2mm 1.6mm - 3.2 x 1.6 x 1.8mm
RS Stock No. 110-1955
Mfr. Part No.ERZV20D101
BrandPanasonic
PHP38.724
Each (In a Bag of 1000)
units
100V 60V 85V 165V - - ZNR - 10000A 6.5nF - - - 21.5 (Dia.) x 5.1mm
RS Stock No. 167-0476
Mfr. Part No.B72280B0551K001
BrandEPCOS
PHP15,349.50
Each (In a Box of 5)
units
910V 550V 745V 1500V 800A 3100J HighE - 100000A 6.5nF 135mm 118mm 27.7mm 135 x 118 x 27.7mm
RS Stock No. 170-9936
Mfr. Part No.V9MLA0805LH
BrandLittelfuse
PHP21.101
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
New
RS Stock No. 211-1094
Mfr. Part No.ZV11K0603300NIR1
BrandBourns
PHP3.228
Each (On a Reel of 3500)
units
18V 11V 14V 33V 1A - ZV - - 210pF - - - -
RS Stock No. 170-9918
Mfr. Part No.V420LA10P
BrandLittelfuse
PHP12.506
Each (In a Bag of 1000)
units
748V 420V 560V 1120V 25A 55J LA 12.5mm 2500A 140pF - - 7.3mm 12.5 (Dia.) x 7.3mm
RS Stock No. 669-4409
Mfr. Part No.82536070
PHP33.958
Each (In a Pack of 5)
units
13.5V 7V 9V 30V 1A 0.1J WE-VS - 30A 200pF 1.6mm 0.8mm - -
RS Stock No. 106-9932
Mfr. Part No.ERZVF2M220
BrandPanasonic
PHP36.732
Each (In a Bag of 2000)
units
22V 14V 18V 43V - - ZNR - 125A - 8mm - - -
New
RS Stock No. 211-1176
Mfr. Part No.ZV50K1812401NIR1
BrandBourns
PHP15.589
Each (On a Reel of 1000)
units
82V 50V 65V 135V 5A - ZV - - 710pF - - - -
RS Stock No. 163-3886
Mfr. Part No.82541300
PHP32.995
Each (On a Reel of 4000)
units
47V 30V 38V 85V 1A 1.1J WE-VS - 200A 550pF 3.2mm 1.6mm - -
RS Stock No. 187-8148
Mfr. Part No.ERZE14A751SC
BrandPanasonic
PHP26.708
Each (In a Bag of 1000)
units
750V 460V 615V 1240V 100A 420J E14-S1 17.5mm 7500A 530pF - - 8.2mm 17.5 Dia. x 8.2mm
RS Stock No. 764-0879
Mfr. Part No.EZJZ1V171AA
BrandPanasonic
PHP6.854
Each (In a Pack of 100)
units
170V - 18V - - - EXJZ - - 3pF 1.6mm 0.8mm - 1.6 x 0.8 x 0.8mm
RS Stock No. 106-7549
Mfr. Part No.EZJP0V6R8GA
BrandPanasonic
PHP5.338
Each (On a Reel of 10000)
units
6.8V - 3.7V - - - EZJP - 1A 100pF 1mm - - 1 x 0.5 x 0.5mm
RS Stock No. 264-7623
Mfr. Part No.V5.5MLA1206H
BrandLittelfuse
PHP42.534
Each (In a Pack of 10)
units
9.3V 4V 5.5V 17.5V 1A 0.4J ML - 150A 3.5nF 3.2mm 1.6mm - 3.2 x 1.6 x 1.8mm
RS Stock No. 878-1722
Mfr. Part No.V131DA40
BrandLittelfuse
PHP2,163.29
Each
units
225.5V 130V 175V 345V - - DA - 40000A 10nF 62mm - - 62 x 67 x 15mm
RS Stock No. 204-8701
Mfr. Part No.PV75K3225R2
BrandBourns
PHP13.43
Each (On a Reel of 1500)
units
120V - - 200V 5A - PV - - 270pF - - - -
RS Stock No. 813-3600
Mfr. Part No.B72260B0751K001
BrandEPCOS
PHP8,227.35
Each
units
1200V 750V 970V 2000V 500A 2000J HighE - 70000A 2.4nF 100mm 100mm 24mm 100 x 100 x 24mm
RS Stock No. 760-6872
Mfr. Part No.V150LA20BP
BrandLittelfuse
PHP42.704
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. 800-7065
Mfr. Part No.V275LA10P
BrandLittelfuse
PHP22.691
Each (In a Pack of 10)
units
473V 275V 369V 710V 25A 45J LA 12.5mm 2500A 200pF - - 5.6mm 12.5 (Dia.) x 5.6mm
RS Stock No. 187-7617
Mfr. Part No.VTA7060318A400DP
BrandAVX
PHP7.873
Each (In a Pack of 50)
units
13 V ac, 18 V dc 13V 18V 42V - 0.1J VT - 30A 275pF 1.6mm 0.8mm 0.9mm 1.6 x 0.8 x 0.9mm