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 170-2913
製造零件編號B72220Q0271K101
BrandEPCOS
HK$8.31
個 (在毎卷:250)
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 289-6982
製造零件編號B72207S0231K101
BrandEPCOS
HK$4.45
/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 720-9973
製造零件編號ERZV14D391
BrandPanasonic
HK$5.87
/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 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 204-2062
製造零件編號B72207S0271K101
BrandEPCOS
HK$4.45
/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 204-2056
製造零件編號B72207S0251K101
BrandEPCOS
HK$4.45
/個 (每包:5個)
單位
390V 250V 320V 650V 10A 19J Standard 9mm 1200A 105pF - - 4.2mm 9 (Dia.) x 4.2mm
RS庫存編號 170-9920
製造零件編號V480LA40AP
BrandLittelfuse
HK$3.44
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 851-8335
製造零件編號MOV-14D471K
BrandBourns
HK$3.98
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$4.396
/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 106-7968
製造零件編號ERZE14A471
BrandPanasonic
HK$3.119
個 (以毎袋:1000)
單位
470V 300V 385V 775V - - ZNR - 10000A 750pF - - - 16.5 x 6.4mm
RS庫存編號 162-1445
製造零件編號B72205S0110K101
BrandEPCOS
HK$0.939
個 (在毎卷:1000)
單位
18V 11V 14V 36V 1A 0.3J Standard 7mm 100A 1.75nF - - 3.3mm 7 (Dia.) x 3.3mm
RS庫存編號 110-1932
製造零件編號ERZV14D390
BrandPanasonic
HK$1.582
個 (以毎袋:1000)
單位
39V 25V 31V 77V - - ZNR - 2000A 7nF - - - 15.5 (Dia.) x 4.9mm
RS庫存編號 106-9901
製造零件編號ERZV14D390
BrandPanasonic
HK$1.582
個 (以毎袋:1000)
單位
39V 25V 31V 77V - - ZNR - 2000A 7nF - - - 15.5 (Dia.) x 4.9mm
RS庫存編號 289-6768
製造零件編號B72210S00250K101
BrandEPCOS
HK$6.00
/個 (每包:5個)
單位
39V 25V 31V 77V 5A 3.7J Standard 12mm 500A 3.2nF - - 4.2mm 12 (Dia.) x 4.2mm
RS庫存編號 289-6831
製造零件編號B72214S0400K101
BrandEPCOS
HK$4.528
/個 (每包:5個)
單位
68V 40V 56V 135V 10A 13J Standard 15.5mm 1000A 3.55nF - - 4.9mm 15.5 (Dia.) x 4.9mm
RS庫存編號 289-6774
製造零件編號B72210S0300K101
BrandEPCOS
HK$4.564
/個 (每包:5個)
單位
47V 30V 38V 93V 5A 4.4J Standard 12mm 500A 2.75nF - - 4.4mm 12 (Dia.) x 4.4mm
RS庫存編號 760-6905
製造零件編號V18ZA3P
BrandLittelfuse
HK$4.694
/個 (每包:5個)
單位
14.4 → 21.6V 10V 14V 36V 10A 3.5J ZA 17mm 1000A 18.87nF - - 5mm 17 (Dia.) x 5mm
RS庫存編號 760-6939
製造零件編號V250LA40BP
BrandLittelfuse
HK$5.154
/個 (每包:5個)
單位
354 → 413V 250V 330V 620V 100A 130J LA 23mm 6500A 1nF - - 5.6mm 23 (Dia.) x 5.6mm
RS庫存編號 289-7008
製造零件編號B72210S0600K101
BrandEPCOS
HK$4.564
/個 (每包:5個)
單位
100V 60V 85V 165V 25A 10J Standard 12mm 2500A 870pF - - 4mm 12 (Dia.) x 4mm
RS庫存編號 186-2110
製造零件編號GMOV-14D950K
BrandBourns
HK$17.80
/個 (每包:5個)
單位
95 Vrms, 125 V dc 95Vrms 125V 270V 6000A 53J GMOV 16.5mm - 4pF - - 8mm 16.5 Dia. x 8mm