DC Power Connectors

DC power connectors are designed to supply direct current from a mains connection to a device and is typically used to power small to medium appliances. Although there are various types of DC Connector, the most common type is sometimes referred to as a Barrel Connector. This style of connector features an insulated cylindrical tip, sometimes called a sleeve, or ring, which accepts a pin from the socket counterpart. This design ensures a safe and secure connection, with a smooth disconnect and connect action. DC connectors have many more standard types that are not interchangeable. The dimensions and arrangement of DC connectors can be chosen to prevent the accidental interconnection of incompatible sources and loads.


DC Jacks


The standard dc barrel plug or jack has two conductors, one each for power and ground. The convention is for the centre pin to be power and the outer sleeve to be ground, but reversing the connections is acceptable. Some power jack models include a third conductor which forms a switch with the outer sleeve conductor. One use of the switch function is to detect or indicate the insertion of a plug. Another use of the switch function is to select between power sources dependent upon whether a plug is or is not inserted into the jack.


Applications for Power Connectors


Though USB powered devices are more and more common, DC power plugs are still a serviceable standard in powering smaller appliances. They can typically be used with certain portable computers, electronic instruments, and sound systems.


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Description Price DC Power Connector Type Current Rating Inner Diameter Body Orientation Outer Diameter Voltage Rating Length Width Mounting Type IP Rating Minimum Cable Diameter Maximum Cable Diameter Pin Diameter Contact Plating
RS庫存編號 190-3288
製造零件編號XNES/J 250
BrandLumberg
HK$13.553
個 (以毎盒:100)
單位
DC Plug 1.0A 2.5mm Straight 5.5mm 12.0 V 43.0mm - Cable Mount - - - - Nickel
RS庫存編號 505-1564
製造零件編號XNES/J 250
BrandLumberg
HK$18.93
單位
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 43.0mm - Cable Mount - - - - Nickel
RS庫存編號 170-5464
製造零件編號1614 20
BrandLumberg
HK$33.915
個 (以毎盒:250)
單位
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS庫存編號 909-2244
製造零件編號1636 06
BrandLumberg
HK$25.85
單位
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 1mm Nickel
RS庫存編號 170-5685
製造零件編號1636 06
BrandLumberg
HK$25.851
個 (以毎盒:100)
單位
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 1mm Nickel
RS庫存編號 111-3725
製造零件編號1614 20
BrandLumberg
HK$43.33
單位
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS庫存編號 138-9405
製造零件編號15-206
BrandLumberg
HK$16.09
單位
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 29.5mm - - - - - - Nickel
RS庫存編號 190-3268
製造零件編號1633 04
BrandLumberg
HK$12.537
/個 (每包:100個)
單位
DC Plug 4.0A - Straight - 12.0 V 46.5mm - Cable Mount - - - - Nickel
RS庫存編號 124-8900
製造零件編號1633 03
BrandLumberg
HK$15.498
/個 (每包:5個)
單位
DC Plug 2.0A - Straight - 24.0 V 46.5mm - Cable Mount - - - - Nickel
RS庫存編號 190-3269
製造零件編號1636 07
BrandLumberg
HK$30.681
個 (以毎袋:100)
單位
DC Plug 10.0A - Straight - 24.0 V 71.1mm - Cable Mount - - - - Nickel
RS庫存編號 190-3287
製造零件編號XNES/J 210
BrandLumberg
HK$13.553
個 (以毎盒:100)
單位
DC Plug 500.0mA 2.1mm Straight 5.5mm 12.0 V 43.0mm - Cable Mount - - - - Nickel
RS庫存編號 505-1558
製造零件編號XNES/J 210
BrandLumberg
HK$18.93
單位
DC Plug 500.0mA 2.1mm Straight 5.5mm 12 V dc 43.0mm - Cable Mount - - - - Nickel
RS庫存編號 138-9376
製造零件編號512-15223
BrandLumberg
HK$15.37
單位
DC Plug 500.0mA 2.1mm Straight 5.5mm 12 V dc 35.0mm - - - - - - Nickel
RS庫存編號 124-9881
製造零件編號1610 02
BrandLumberg
HK$13.624
/個 (每包:5個)
單位
DC Plug 500.0mA 1.95mm Straight 12.0mm 12.0 V 14.4mm 11.0mm Snap-In - - - 2.1mm Nickel
RS庫存編號 190-3254
製造零件編號1614 19
BrandLumberg
HK$34.409
個 (以毎袋:250)
單位
DC Socket 500.0mA - Straight - 12.0 V 13.2mm 10.8 (Dia.)mm Panel Mount - - - 2.1mm Nickel, Silver
RS庫存編號 190-3270
製造零件編號1610 02
BrandLumberg
HK$10.945
/個 (每包:250個)
單位
DC Plug 500.0mA 1.95mm Straight 12.0mm 12.0 V 14.4mm 11.0mm Snap-In - - - 1.45mm Nickel
RS庫存編號 190-3271
製造零件編號NES 1 GRAU
BrandLumberg
HK$17.577
個 (以毎盒:100)
單位
DC Plug 3.0A 1.98mm Straight 6.0mm 34.0 V 36.0mm 21.0mm - - - - 2.0mm Nickel
RS庫存編號 138-9398
製造零件編號51215217
BrandLumberg
HK$17.55
單位
DC Plug 500.0mA 2.1mm Straight 5.5mm 12 V dc 29.5mm - - - - - - Nickel
RS庫存編號 124-8901
製造零件編號1633 04
BrandLumberg
HK$18.28
/個 (每包:5個)
單位
DC Plug 2.0A - Straight - 24.0 V 46.5mm - Cable Mount - - - - Nickel
RS庫存編號 124-8897
製造零件編號1610 05
BrandLumberg
HK$14.062
/個 (每包:5個)
單位
DC Socket 2.0A - Straight - 24.0 V 14.4mm 9.0mm Snap-In - - - 1.7mm Nickel