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 110-1932
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 878-3835
製造零件編號V130LXR1318
BrandLittelfuse
HK$2,379.10
/個 (每包:100個)
單位
130V 130V 175V 340V - - UltraMOVTM - 10000A 450pF - - - -
RS庫存編號 439-770
製造零件編號ERZV14D470
BrandPanasonic
HK$3.106
/個 (每包:10個)
單位
47V 30V 38V 93V 10A 14J - 15.5mm 2000A 6.75nF - - 5mm 15.5 (Dia.) x 5mm
RS庫存編號 162-1437
製造零件編號B72210S0141K101
BrandEPCOS
HK$1.133
個 (在毎卷:500)
單位
220V 140V 180V 360V 25A 22J Standard 12mm 2500A 370pF - - 4.3mm 12 (Dia.) x 4.3mm
RS庫存編號 162-1445
製造零件編號B72205S0110K101
BrandEPCOS
HK$871.21
毎卷:1000 個
Reel(s)
18V 11V 14V 36V 1A 0.3J Standard 7mm 100A 1.75nF - - 3.3mm 7 (Dia.) x 3.3mm
RS庫存編號 170-2861
製造零件編號B72210S0500K101
BrandEPCOS
HK$1.095
個 (在毎卷:500)
單位
82V 50V 65V 135V 25A 8.4J Standard 12mm 2500A 950pF - - 3.9mm 12 (Dia.) x 3.9mm
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 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 467-973
製造零件編號B72220Q0271K101
BrandEPCOS
HK$11.054
/個 (每包:5個)
單位
430V 275V 350V 710V 130A 215J EnergetiQ 22.5mm 15000A 930pF - - 5.8mm 22.5 (Dia.) x 5.8mm
RS庫存編號 644-0000
製造零件編號AVR-M1005C080MTABB
BrandTDK
HK$1.05
/個 (每包:10個)
單位
8V - 5.5V 15V 1A 0.02J - - 3A 100pF 1mm 0.5mm - -
RS庫存編號 289-7137
製造零件編號B72214S0750K101
BrandEPCOS
HK$3.272
/個 (每包:5個)
單位
120V 75V 100V 200V 50A 20J Standard 15.5mm 4500A 1.37nF - - 4.2mm 15.5 (Dia.) x 4.2mm
RS庫存編號 170-2866
製造零件編號B72214S0750K101
BrandEPCOS
HK$2.07
個 (在毎卷:500)
單位
120V 75V 100V 200V 50A 20J Standard 15.5mm 4500A 1.37nF - - 4.2mm 15.5 (Dia.) x 4.2mm
RS庫存編號 106-9864
製造零件編號ERZV05D271
BrandPanasonic
HK$687.99
毎包:1000 個
Bag(s)
270V 175V 225V 475V - - ZNR - 800A 90pF - - - 7 (Dia.) x 4.8mm
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 289-6982
製造零件編號B72207S0231K101
BrandEPCOS
HK$1.95
/個 (每包:5個)
單位
360V 230V 300V 595V 10A 17J Standard 9mm 1200A 115pF - - 4mm 9 (Dia.) x 4mm
RS庫存編號 110-1929
製造零件編號ERZV14D470
BrandPanasonic
HK$1,580.00
毎包:1000 個
Bag(s)
47V 30V 38V 93V - - ZNR - 2000A 6.75nF - - - 15.5 (Dia.) x 5mm
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 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 204-2062
製造零件編號B72207S0271K101
BrandEPCOS
HK$3.808
/個 (每包:5個)
單位
430V 275V 350V 710V 10A 21J Standard 9mm 1200A 95pF - - 4.4mm 9 (Dia.) x 4.4mm
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