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 172-5223
製造零件編號820475001
HK$5.562
個 (在毎卷:1500)
單位
82V 50V 65V 135V 10A 7J WE-VD 9mm 1750A 640pF - - 3.8mm 9 (Dia.) x 3.8mm
RS庫存編號 163-3892
製造零件編號82550250
HK$16,502.00
毎卷:4000 個
Reel(s)
39V 25V 30V 65V 1A 0.3J WE-VS - 100A 310pF 2mm 1.25mm - -
RS庫存編號 669-4364
製造零件編號820541311
HK$6.086
/個 (每包:5個)
單位
200V 130V 170V 340V 50A 57J WE-VD 16.5mm 4500A 840pF - - - -
RS庫存編號 163-3858
製造零件編號820412001
HK$4,280.00
毎卷:1000 個
Reel(s)
33V 20V 26V 65V 5A 4.8J WE-VD 12.5mm 1000A 4.25nF - - 5.1mm 12.5 (Dia.) x 5.1mm
RS庫存編號 669-4428
製造零件編號82550200
HK$5.56
/個 (每包:5個)
單位
33V 20V 26V 54V 1A 0.3J WE-VS - 100A 350pF 2mm 1.25mm - -
RS庫存編號 163-3872
製造零件編號820574001
HK$5,700.00
毎卷:1500 個
Reel(s)
68V 40V 56V 135V 2.5A 4.3J WE-VD 9mm 250A 1.12nF - - 5.5mm 9 (Dia.) x 5.5mm
RS庫存編號 669-4392
製造零件編號82537110
HK$4.63
/個 (每包:5個)
單位
18V 11V 14V 38V 1A 0.02J WE-VS - 10A 70pF 1mm 0.5mm - -
RS庫存編號 163-3879
製造零件編號82536140
HK$16,502.00
毎卷:4000 個
Reel(s)
25V 14V 18V 45V 1A 0.1J WE-VS - 30A 100pF 1.6mm 0.8mm - -
RS庫存編號 163-3878
製造零件編號82536110
HK$16,502.00
毎卷:4000 個
Reel(s)
18V 11V 14V 38V 1A 0.1J WE-VS - 38A 100pF 1.6mm 0.8mm - -
RS庫存編號 669-4308
製造零件編號820552501
HK$4.862
/個 (每包:5個)
單位
39V 25V 31V 86V 1A 1.2J WE-VD 7.5mm 100A 830pF - - 4.7mm 7.5 (Dia.) x 4.7mm
RS庫存編號 669-4421
製造零件編號82550110
HK$5.65
/個 (每包:5個)
單位
18V 11V 14V 30V 1A 0.1J WE-VS - 100A 750pF 2mm 1.25mm - -
RS庫存編號 162-1346
製造零件編號820423211
HK$5.098
個 (在毎卷:500)
單位
510V 320V 418V 842V 100A 382J WE-VD 23mm 10000A 760pF - - - -
RS庫存編號 669-4320
製造零件編號820475001
HK$4.788
/個 (每包:5個)
單位
82V 50V 65V 135V 10A 7J WE-VD 9mm 1750A 640pF - - 3.8mm 9 (Dia.) x 3.8mm
RS庫存編號 163-3893
製造零件編號82551140
HK$19,320.00
毎卷:4000 個
Reel(s)
24V 14V 18V 100V 1A 0.3J WE-VS - 100A 900pF 3.2mm 1.6mm - -
RS庫存編號 163-3886
製造零件編號82541300
HK$19,229.60
毎卷:4000 個
Reel(s)
47V 30V 38V 85V 1A 1.1J WE-VS - 200A 550pF 3.2mm 1.6mm - -
RS庫存編號 669-4311
製造零件編號820574001
HK$4.842
/個 (每包:5個)
單位
68V 40V 56V 135V 2.5A 4.3J WE-VD 9mm 250A 1.12nF - - 5.5mm 9 (Dia.) x 5.5mm
RS庫存編號 669-4399
製造零件編號82536040
HK$5.56
/個 (每包:5個)
單位
8V 4V 5.5V 21V 1A 0.1J WE-VS - 30A 200pF 1.6mm 0.8mm - -
RS庫存編號 163-3889
製造零件編號82550110
HK$16,280.00
毎卷:4000 個
Reel(s)
18V 11V 14V 30V 1A 0.1J WE-VS - 100A 750pF 2mm 1.25mm - -
RS庫存編號 163-3880
製造零件編號82537040
HK$38,300.00
毎卷:10000 個
Reel(s)
8V 4V 5.5V 21V 1A 0.04J WE-VS - 20A 220pF 1mm 0.5mm - -
RS庫存編號 669-4305
製造零件編號820551311
HK$3.89
/個 (每包:5個)
單位
200V 130V 170V 355V 5A 7.1J WE-VD 7.5mm 400A 135pF - - - -