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 760-6850
製造零件編號V130LA20BP
BrandLittelfuse
HK$5.36
/個 (每包:5個)
單位
184 → 220V 130V 175V 325V 100A 70J LA 23mm 6500A 1.9nF - - 5.6mm 23 (Dia.) x 5.6mm
RS庫存編號 170-9953
製造零件編號V130LA20BP
BrandLittelfuse
HK$2.392
個 (以毎袋:500)
單位
184 → 220V 130V 175V 325V 100A 70J LA 23mm 6500A 1.9nF - - 5.6mm 23 (Dia.) x 5.6mm
RS庫存編號 543-5209
製造零件編號V33ZA5P
BrandLittelfuse
HK$4.37
/個 (每包:5個)
單位
36.5V 20V 26V 65V 10A 6J ZA 17mm 1000A 9.29nF - - 5mm 17 (Dia.) x 5mm
RS庫存編號 226-8040
製造零件編號ERZV07D431
BrandPanasonic
HK$2.318
/個 (每包:5個)
單位
430V 275V 350V 710V 10A 40J ZNR 8.5mm 1750A 120pF - - 5.6mm 8.5 (Dia.) x 5.6mm
RS庫存編號 170-9917
製造零件編號V33ZA5P
BrandLittelfuse
HK$1.515
個 (以毎袋:700)
單位
36.5V 20V 26V 65V 10A 6J ZA 17mm 1000A 9.29nF - - 5mm 17 (Dia.) x 5mm
RS庫存編號 760-7011
製造零件編號V420LA40BP
BrandLittelfuse
HK$4.96
/個 (每包:5個)
單位
610 → 720V 420V 560V 1060V 100A 160J LA 23mm 6500A 600pF - - 7.3mm 23 (Dia.) x 7.3mm
RS庫存編號 170-9980
製造零件編號V420LA40BP
BrandLittelfuse
HK$3.142
個 (以毎袋:400)
單位
610 → 720V 420V 560V 1060V 100A 160J LA 23mm 6500A 600pF - - 7.3mm 23 (Dia.) x 7.3mm
RS庫存編號 393-472
製造零件編號VC32M02750KBA
BrandAVX
HK$18.836
/個 (每包:5個)
單位
430V 275V 368V 710V 10A 23J VC32 - 400A 80pF 8.51mm 5.26mm 2.03mm 8.51 x 5.26 x 2.03mm
RS庫存編號 166-7875
製造零件編號VC32M02750KBA
BrandAVX
HK$19,489.67
毎卷:1000 個
Reel(s)
430V 275V 368V 710V 10A 23J VC32 - 400A 80pF 8.51mm 5.26mm 2.03mm 8.51 x 5.26 x 2.03mm
RS庫存編號 878-2028
製造零件編號V130LA20CP
BrandLittelfuse
HK$5.729
/個 (每包:50個)
單位
225.5V 130V - 340V - 200J C-III - 10000A - - - - 23 (Dia.) x 28mm
RS庫存編號 720-9910
製造零件編號ERZV14D220
BrandPanasonic
HK$3.844
/個 (每包:5個)
單位
22V 14V 18V 43V 10A 6.3J ZNR 15.5mm 2000A 20nF - - 4.7mm 15.5 (Dia.) x 4.7mm
RS庫存編號 289-7339
製造零件編號B72220S0461K101
BrandEPCOS
HK$6.062
/個 (每包:5個)
單位
750V 460V 615V 1240V 100A 195J Standard 21.5mm 8000A 380pF - - 6.8mm 21.5 (Dia.) x 6.8mm
RS庫存編號 110-1926
製造零件編號ERZV14D220
BrandPanasonic
HK$1,834.64
毎包:1000 個
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS庫存編號 170-2873
製造零件編號B72220S0461K101
BrandEPCOS
HK$6.086
個 (在毎卷:200)
單位
750V 460V 615V 1240V 100A 195J Standard 21.5mm 8000A 380pF - - 6.8mm 21.5 (Dia.) x 6.8mm
RS庫存編號 106-9896
製造零件編號ERZV14D220
BrandPanasonic
HK$1,834.64
毎包:1000 個
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS庫存編號 289-7301
製造零件編號B72220S0251K101
BrandEPCOS
HK$8.522
/個 (每包:5個)
單位
390V 250V 320V 650V 100A 140J Standard 21.5mm 8000A 700pF - - 5.3mm 21.5 (Dia.) x 5.3mm
RS庫存編號 226-7895
製造零件編號ERZV07D470
BrandPanasonic
HK$1.39
/個 (每包:5個)
單位
47V 30V 38V 93V 2.5A 2.8J ZNR 8.5mm 500A 1.55nF - - 4.9mm 8.5 (Dia.) x 4.9mm
RS庫存編號 800-7100
製造零件編號V47ZA7P
BrandLittelfuse
HK$3.661
/個 (每包:10個)
單位
52V 30V 38V 93V 10A 8.8J ZA 17mm 1000A 6.27nF - - 5mm 17 (Dia.) x 5mm
RS庫存編號 543-4880
製造零件編號V130LA20AP
BrandLittelfuse
HK$3.672
/個 (每包:5個)
單位
228V 130V 175V 340V 100A 70J LA 23mm 6500A 1.9nF - - 5.6mm 23 (Dia.) x 5.6mm
RS庫存編號 171-0009
製造零件編號V47ZA7P
BrandLittelfuse
HK$1.74
個 (以毎袋:700)
單位
52V 30V 38V 93V 10A 8.8J ZA 17mm 1000A 6.27nF - - 5mm 17 (Dia.) x 5mm