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 162-1430
製造零件編號B72220S0141K101
BrandEPCOS
TWD18.50
個 (在毎卷:250)
單位
220V 140V 180V 360V 100A 78J Standard 21.5mm 8000A 1.24nF - - 4.8mm 21.5 (Dia.) x 4.8mm
RS庫存編號 170-2882
製造零件編號B72220S0140K101
BrandEPCOS
TWD18.50
個 (在毎卷:250)
單位
22V 14V 18V 43V 20A 12J Standard 21.5mm 2000A 19nF - - 4.6mm 21.5 (Dia.) x 4.6mm
RS庫存編號 289-7553
製造零件編號B72220S0140K101
BrandEPCOS
TWD31.60
/個 (每包:5個)
單位
22V 14V 18V 43V 20A 12J Standard 21.5mm 2000A 19nF - - 4.6mm 21.5 (Dia.) x 4.6mm
RS庫存編號 289-7266
製造零件編號B72220S0141K101
BrandEPCOS
TWD31.00
/個 (每包:5個)
單位
220V 140V 180V 360V 100A 78J Standard 21.5mm 8000A 1.24nF - - 4.8mm 21.5 (Dia.) x 4.8mm
RS庫存編號 162-0183
製造零件編號B72260B0271K001
BrandEPCOS
TWD2,501.70
個 (以毎盒:10)
單位
430V 275V 350V 710V 500A 860J HighE - 70000A 6.6nF 100mm 100mm 24mm 100 x 100 x 24mm
RS庫存編號 720-9973
製造零件編號ERZV14D391
BrandPanasonic
TWD23.80
/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 110-1944
製造零件編號ERZV14D391
BrandPanasonic
TWD8.50
個 (以毎袋:1000)
單位
390V 250V 320V 650V - - ZNR - 6000A 500pF - - - 15.5 (Dia.) x 5.8mm
RS庫存編號 110-1889
製造零件編號ERZV05D330
BrandPanasonic
TWD3.60
個 (以毎袋:1000)
單位
33V 20V 26V 73V - - ZNR - 250A 1.4nF - - - 7 (Dia.) x 4.5mm
RS庫存編號 813-3593
製造零件編號B72260B0271K001
BrandEPCOS
TWD2,752.00
單位
430V 275V 350V 710V 500A 860J HighE - 70000A 6.6nF 100mm 100mm 24mm 100 x 100 x 24mm
RS庫存編號 226-8056
製造零件編號ERZV07D471
BrandPanasonic
TWD14.00
/個 (每包:5個)
單位
470V 300V 385V 775V 10A 42J ZNR 8.5mm 1750A 100pF - - 5.8mm 8.5 (Dia.) x 5.8mm
RS庫存編號 720-9737
製造零件編號ERZV05D330
BrandPanasonic
TWD7.10
/個 (每包:10個)
單位
33V 20V 26V 73V 1A 1.1J ZNR 7mm 250A 1.4nF - - 4.5mm 7 (Dia.) x 4.5mm
RS庫存編號 170-2897
製造零件編號B72214P2421K101
BrandEPCOS
TWD19.00
個 (在毎卷:250)
單位
- - - - - - - - - - - - - -
RS庫存編號 170-9997
製造零件編號V250LA10P
BrandLittelfuse
TWD6.60
個 (以毎袋:1000)
單位
429V 250V 330V 650V 25A 40J LA 12.5mm 2500A 220pF - - 5.6mm 12.5 (Dia.) x 5.6mm
RS庫存編號 800-7040
製造零件編號V250LA10P
BrandLittelfuse
TWD12.60
/個 (每包:10個)
單位
429V 250V 330V 650V 25A 40J LA 12.5mm 2500A 220pF - - 5.6mm 12.5 (Dia.) x 5.6mm
RS庫存編號 711-8167
製造零件編號B72214P2421K101
BrandEPCOS
TWD30.20
/個 (每包:5個)
單位
680V 420V 560V 1120V 50A 190J AdvanceD-MP 16.5mm 6000A 210pF - - 8.2mm 16.5 (Dia.) x 8.2mm
RS庫存編號 167-8514
製造零件編號B72240B0381K001
BrandEPCOS
TWD849.70
個 (以毎盒:10)
單位
620V 385V 505V 1025V 300A 800J HighE - 40000A 1.9nF 60mm 14mm - -
RS庫存編號 291-3510
製造零件編號B72240B0381K001
BrandEPCOS
TWD918.00
單位
620V 385V 505V 1025V 300A 800J HighE - 40000A 1.9nF 60mm 14mm - -
RS庫存編號 785-8960
製造零件編號ERZE14A431
BrandPanasonic
TWD28.80
/個 (每包:5個)
單位
430V 275V 350V 710V 100A 303J ZNR 16.5mm 10000A 800pF - - 6.2mm 16.5 x 6.2mm
RS庫存編號 170-2871
製造零件編號B72220S0231K101
BrandEPCOS
TWD18.50
個 (在毎卷:250)
單位
360V 230V 300V 595V 100A 130J Standard 21.5mm 8000A 760pF - - 5.1mm 21.5 (Dia.) x 5.1mm
RS庫存編號 110-1917
製造零件編號ERZV10D221
BrandPanasonic
TWD5.30
個 (以毎袋:1000)
單位
220V 140V 180V 360V - - ZNR - 3500A 410pF - - - 11.5 (Dia.) x 4.9mm