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庫存編號 178-071
製造零件編號VDRS07H275BSE
BrandVishay
HK$4.20
/個 (每包:5個)
單位
430V 275V 350V 710V 10A 36J VDRS - E 9mm 1200A 140pF - - 4.9mm 9 (Dia.) x 4.9mm
RS庫存編號 106-7968
製造零件編號ERZE14A471
BrandPanasonic
HK$3,119.00
毎包:1000 個
Bag(s)
470V 300V 385V 775V - - ZNR - 10000A 750pF - - - 16.5 x 6.4mm
RS庫存編號 785-8979
製造零件編號ERZE14A471
BrandPanasonic
HK$6.688
/個 (每包:5個)
單位
470V 300V 385V 775V 100A 350J ZNR 16.5mm 10000A 750pF - - 6.4mm 16.5 x 6.4mm
RS庫存編號 170-9920
製造零件編號V480LA40AP
BrandLittelfuse
HK$1.651
個 (以毎袋:600)
單位
825V 480V 640V 1240V 50A 105J LA 17mm 4500A 270pF - - 7.3mm 17 (Dia.) x 7.3mm
RS庫存編號 110-1944
製造零件編號ERZV14D391
BrandPanasonic
HK$1,979.48
毎包:1000 個
Bag(s)
390V 250V 320V 650V - - ZNR - 6000A 500pF - - - 15.5 (Dia.) x 5.8mm
RS庫存編號 851-8335
製造零件編號MOV-14D471K
BrandBourns
HK$2.25
單位
470V - 385V 775V 50A 125J MOV-14D 16.5mm - 430pF - - 5.4mm 16.5 (Dia.) x 5.4mm
RS庫存編號 720-9926
製造零件編號ERZV14D390
BrandPanasonic
HK$4.37
/個 (每包:5個)
單位
39V 25V 31V 77V 10A - ZNR 15.5mm 2000A 7nF - - - 15.5 (Dia.) x 4.9mm
RS庫存編號 720-9771
製造零件編號ERZV05D271
BrandPanasonic
HK$1.096
/個 (每包:10個)
單位
270V 175V 225V 475V 5A 11J ZNR 7mm 800A 90pF - - 4.8mm 7 (Dia.) x 4.8mm
RS庫存編號 720-9973
製造零件編號ERZV14D391
BrandPanasonic
HK$5.476
/個 (每包:5個)
單位
390V 250V 320V 650V 50A - ZNR 15.5mm 6000A 500pF - - - 15.5 (Dia.) x 5.8mm
RS庫存編號 289-7020
製造零件編號B72210S0141K101
BrandEPCOS
HK$1.722
/個 (每包:5個)
單位
220V 140V 180V 360V 25A 22J Standard 12mm 2500A 370pF - - 4.3mm 12 (Dia.) x 4.3mm
RS庫存編號 204-2208
製造零件編號B72220S0271K101
BrandEPCOS
HK$8.13
/個 (每包:5個)
單位
430V 275V 350V 710V 100A 151J B72220 21.5mm 8000A 630pF - - 5.4mm 21.5 (Dia.) x 5.4mm
RS庫存編號 106-9899
製造零件編號ERZV14D470
BrandPanasonic
HK$1.786
個 (以毎袋:1000)
單位
47V 30V 38V 93V - - ZNR - 2000A 6.75nF - - - 15.5 (Dia.) x 5mm
RS庫存編號 720-9879
製造零件編號ERZV10D151
BrandPanasonic
HK$1.968
/個 (每包:10個)
單位
150V 95V 125V 250V 25A 25J ZNR 11.5mm 3500A 1.1nF - - 5.2mm 11.5 (Dia.) x 5.2mm
RS庫存編號 106-9901
製造零件編號ERZV14D390
BrandPanasonic
HK$1,582.40
毎包:1000 個
Bag(s)
39V 25V 31V 77V - - ZNR - 2000A 7nF - - - 15.5 (Dia.) x 4.9mm
RS庫存編號 173-2640
製造零件編號V150LA2P
BrandLittelfuse
HK$1.31
個 (以毎袋:1500)
單位
268V 150V 200V 395V 10A 13J LA 9mm 1200A 150pF - - 5.6mm 9 (Dia.) x 5.6mm
RS庫存編號 144-9853
製造零件編號82536040
HK$4.53
個 (在毎卷:4000)
單位
8 4V 5.5V 21V 1A 0.1J WE-VS - 30A 200pF 1.6mm 0.8mm - -
RS庫存編號 848-5617
製造零件編號B72214T2301K105
BrandEPCOS
HK$11.776
/個 (每包:5個)
單位
470V - 385V 775V - 125J T - 6000A 400pF 17mm 21.6mm 13mm 17 x 21.6 x 13mm
RS庫存編號 110-1919
製造零件編號ERZV10D201
BrandPanasonic
HK$1,243.21
毎包:1000 個
Bag(s)
200V 130V 170V 340V - - ZNR - 3500A 430pF - - - 11.5 (Dia.) x 4.8mm
RS庫存編號 785-8718
製造零件編號ERZE05A361
BrandPanasonic
HK$1.386
/個 (每包:25個)
單位
360V 230V 300V 595V 10A 23J ZNR 7mm 1200A 130pF - - 5.8mm 7 x 5.8mm
RS庫存編號 291-3497
製造零件編號B72240B0231K001
BrandEPCOS
HK$230.00
單位
360V 230V 300V 595V 300A 460J HighE - 40000A 3.2nF 60mm 14mm - -