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 179-7274
製造零件編號B72225S4251K101
BrandEPCOS
HK$27.363
個 (以毎袋:200)
單位
390V 250V 320V 650V 150A 345J S25 27.5mm 20000A 2100pF - - 6.9mm 27.5 Dia. x 6.9mm
RS庫存編號 769-2025
製造零件編號B72660M0271K072
BrandEPCOS
HK$8.84
/個 (每包:5個)
單位
430V 275Vrms 350V 710V 10A - CU - 1200A 95pF 10.2mm 8mm 4.5mm 10.2 x 8 x 4.5mm
RS庫存編號 162-1423
製造零件編號B72220S0350K101
BrandEPCOS
HK$4.586
個 (在毎卷:250)
單位
56V 35V 45V 110V 20A 33J Standard 21.5mm 2000A 8nF - - 5.1mm 21.5 (Dia.) x 5.1mm
RS庫存編號 106-9872
製造零件編號ERZV07D820
BrandPanasonic
HK$844.90
毎包:1000 個
Bag(s)
82V 50V 65V 135V - - ZNR - 1750A 810pF - - - 8.5 (Dia.) x 4.1mm
RS庫存編號 769-1993
製造零件編號B72650M0271K072
BrandEPCOS
HK$8.50
/個 (每包:5個)
單位
430V 275Vrms 350V 710V 5A - CU - 400A 50pF 8mm 6.3mm 4.5mm 8 x 6.3 x 4.5mm
RS庫存編號 827-4335
製造零件編號LSP05277P
BrandLittelfuse
HK$128.29
單位
277V 320V - - - - LSP05 - 10000A - 64mm 48mm 30mm 64 x 48 x 30mm
RS庫存編號 163-3884
製造零件編號82541140
HK$19,320.00
毎卷:4000 個
Reel(s)
24V 14V 18V 45V 1A 0.5J WE-VS - 200A 1.16nF 3.2mm 1.6mm - -
RS庫存編號 179-7275
製造零件編號B72225S4271K101
BrandEPCOS
HK$27.363
個 (以毎袋:200)
單位
430V 270V 350V 710V 150A 375J S25 27.5mm 20000A 1900pF - - 7.2mm 27.5 Dia. x 7.2mm
RS庫存編號 170-9992
製造零件編號V68ZA05P
BrandLittelfuse
HK$1.056
個 (以毎袋:1500)
單位
61 → 80V 40V 56V 135V 1A 0.6J ZA 7mm 100A 400pF - - 5.6mm 7 (Dia.) x 5.6mm
RS庫存編號 240-208
BrandRS PRO
HK$121.65
單位
710V 484V 640V 1200V - 320J High Power 32mm 10000A 1.62nF - - 6mm 32 (Dia.) x 6mm
RS庫存編號 106-9873
製造零件編號ERZV07D201
BrandPanasonic
HK$948.20
毎包:1000 個
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS庫存編號 878-1996
製造零件編號V20E130P
BrandLittelfuse
HK$5.132
/個 (每包:50個)
單位
225.5V 130V 170V 340V - - UltraMOV - 10000A 1.9nF - - - 23 (Dia.) x 26.5mm
RS庫存編號 439-865
製造零件編號ERZV20D221
BrandPanasonic
HK$8.294
/個 (每包:10個)
單位
220V 140V 180V 360V 100A 155J - 21.5mm 10000A 1.6nF - - 5.3mm 21.5 (Dia.) x 5.3mm
RS庫存編號 316-5970
製造零件編號TNR10V821K
HK$12.56
/個 (每包:5個)
單位
820V 510V 760V 1355V 25A 80J - 11.5mm 3500A 140pF - - 8.1mm 11.5 (Dia.) x 8.1mm
RS庫存編號 106-7961
製造零件編號ERZE10A821
BrandPanasonic
HK$1,269.76
毎包:1000 個
Bag(s)
820V 510V 670V 1355V - - ZNR - 4500A 230pF - - - 12.5 (Dia.) x 8.9mm
RS庫存編號 316-5958
製造零件編號TNR10V271K
HK$9.604
/個 (每包:5個)
單位
270V 175V 225V 455V 25A 35J - 11.5mm 3500A 350pF - - 5.2mm 11.5 (Dia.) x 5.2mm
RS庫存編號 878-3964
製造零件編號V282BB60
BrandLittelfuse
HK$2,781.195
/個 (每包:4個)
單位
5170V 2800V 3500V 7400V - - BB - 70000A 800pF 100mm - - 100 x 95 x 44.5mm
RS庫存編號 720-9796
製造零件編號ERZV07D220
BrandPanasonic
HK$1.659
/個 (每包:10個)
單位
22V 14V 18V 43V 2.5A 1.3J ZNR 8.5mm 500A 3.6nF - - 4.6mm 8.5 (Dia.) x 4.6mm
RS庫存編號 760-7049
製造零件編號V5.5MLA1206NH
BrandLittelfuse
HK$9.55
/個 (每包:5個)
單位
7.1 → 9.3V 4V 5.5V 17.5V 1A 0.4J ML - 150A 3.5nF 3.2mm 1.6mm 1.8mm 3.2 x 1.6 x 1.8mm
RS庫存編號 267-8273
製造零件編號B72240B0421K001
BrandEPCOS
HK$262.90
單位
680V 420V 560V 1120V 300A 910J HighE - 40000A 1.8nF 60mm 14mm - -