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. 134-5693
Mfr. Part No.B72207S0231K101
BrandEPCOS
PHP5.722
Each (In a Bag of 1000)
units
360V 230V 300V 595V 10A 17J Standard 9mm 1200A 115pF - - 4mm 9 (Dia.) x 4mm
RS Stock No. 800-7122
Mfr. Part No.V33MLA1206H
BrandLittelfuse
PHP42.704
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
New
RS Stock No. 219-0546
Mfr. Part No.IsoM3-275-B-L2
BrandBourns
PHP46.453
Each (In a Bag of 500)
units
- 275V 350V 730V 50A - IsoMOV - - 50pF - - - -
RS Stock No. 204-8747
Mfr. Part No.PV300K4032R2
BrandBourns
PHP17.084
Each (On a Reel of 1000)
units
470 - - 775V 10A - PV - - 150pF - - - -
RS Stock No. 170-9977
Mfr. Part No.V36ZA80P
BrandLittelfuse
PHP24.99
Each (In a Bag of 500)
units
32 → 40V 23V 31V 63V 20A 160J ZA 23mm 2000A 12nF - - 5mm 23 (Dia.) x 5mm
RS Stock No. 204-2062
Mfr. Part No.B72207S0271K101
BrandEPCOS
PHP26.24
Each (In a Pack of 5)
units
430V 275V 350V 710V 10A 21J Standard 9mm 1200A 95pF - - 4.4mm 9 (Dia.) x 4.4mm
RS Stock No. 187-8364
Mfr. Part No.ERZE14A391SC
BrandPanasonic
PHP68.775
Each (In a Pack of 10)
units
390V 250V 320V 650V 100A 275J E14-S1 16.5mm 7500A 800pF - - 6.2mm 16.5 Dia. x 6.2mm
RS Stock No. 878-2003
Mfr. Part No.V130LA1P
BrandLittelfuse
PHP10.71
Each (In a Pack of 100)
units
242V 130V 175V 390V - - LA - 1200A 180pF - - - 9 (Dia.) x 12mm
RS Stock No. 187-6566
Mfr. Part No.VGAH181231P650DP
BrandAVX
PHP60.258
Each (In a Pack of 10)
units
39V 25V 31V 65V - 3.7J VGAH - 800 (Peak Current)A 2.6nF 4.5mm 3.2mm 2mm 4.5 x 3.2 x 2mm
RS Stock No. 764-0914
Mfr. Part No.EZJZSV120JA
BrandPanasonic
PHP12.826
Each (In a Pack of 100)
units
12V - 6.7V - - - EZJZS - 5A 220pF 1.37mm 1mm - 1.37 x 1 x 0.6mm
RS Stock No. 878-1319
Mfr. Part No.V881BA60
BrandLittelfuse
PHP10,940.66
Each (In a Pack of 8)
units
1650V 880V 1150V 2340V - 3200J BA - 70000A 2.7nF 100mm - - 100 x 95 x 23.5mm
RS Stock No. 134-5689
Mfr. Part No.B72220S0131K101
BrandEPCOS
PHP31.788
Each (In a Bag of 250)
units
205V 130V 170V 340V 100A 74J Standard 21.5mm 8000A 1.34nF - - 4.7mm 21.5 (Dia.) x 4.7mm
RS Stock No. 240-040
Mfr. Part No.DVS24
PHP1,972.29
Each
units
24V 30V 38V - - 8.8J DVS - 1000A - 75mm 52.5mm 12.5mm 75 x 52.5 x 12.5mm
RS Stock No. 138-6056
Mfr. Part No.B72214S2301K101
BrandEPCOS
PHP17.339
Each (In a Box of 500)
units
470V 300Vrms 385V 775V 50A 125J Advanced - 6000A 400pF 15.5mm 18.5mm 5.6mm 15.5 x 5.6 x 18.5mm
RS Stock No. 878-1647
Mfr. Part No.V140LA20CP
BrandLittelfuse
PHP34.10
Each (In a Pack of 500)
units
242V 140V - 360V - - C-III - 10000A - - - - 23 (Dia.) x 28mm
RS Stock No. 720-9954
Mfr. Part No.ERZV14D221
BrandPanasonic
PHP26.806
Each (In a Pack of 5)
units
220V 140V 180V 360V 50A - ZNR 15.5mm 6000A 740pF - - - 15.5 (Dia.) x 4.9mm
New
RS Stock No. 211-1185
Mfr. Part No.ZV60K2220801NIR1
BrandBourns
PHP25.982
Each (On a Reel of 1000)
units
100V 60V 85V 165V 10A - ZV - - 1nF - - - -
RS Stock No. 291-3510
Mfr. Part No.B72240B0381K001
BrandEPCOS
PHP1,552.98
Each
units
620V 385V 505V 1025V 300A 800J HighE - 40000A 1.9nF 60mm 14mm - -
RS Stock No. 138-6049
Mfr. Part No.B72214S0381K
BrandEPCOS
PHP14.96
Each (In a Box of 250)
units
620V 385Vrms 505V 1025V 50A 80J Standard - 4500A 315pF 15.5mm 19mm 5.9mm 15.5 x 5.9 x 19mm
RS Stock No. 204-8668
Mfr. Part No.DV75K3225R2
BrandBourns
PHP70.528
Each (In a Pack of 10)
units
120V - - 200V 5A - DV - - 240pF - - - -