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 487-814
BrandRS PRO
HK$12.64
單位
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 23.6mm - Cable Mount - - - - Nickel
RS庫存編號 476-157
BrandRS PRO
HK$31.13
單位
DC Socket 2.5A - Straight - 16 V dc 17.1mm 11.0mm PCB Mount - - - 1.4mm 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 173-9847
製造零件編號4840.2230
BrandSchurter
HK$21.567
個 (以毎盒:250)
單位
DC Socket 2.0A - Straight - 18.0 V 18.2mm 14.25mm Panel Mount - - - 1.45mm Nickel, Silver
RS庫存編號 768-4412
製造零件編號722A-RS
HK$36.60
單位
DC Socket 5.0A - Straight - 12 V dc - 14.2mm Panel Mount - - - 2mm Silver
RS庫存編號 163-1831
製造零件編號694103304002
HK$8.148
Each (In a Tray of 320)
單位
DC Socket 2.0A - Right Angle - 20.0 V 6.3mm 9mm Panel Mount - - - 1.35mm Gold, Tin
RS庫存編號 122-4873
製造零件編號694103107102
HK$16.798
/個 (每包:5個)
單位
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 9.0mm PCB Mount - - - 2.1mm Gold, Tin
RS庫存編號 705-1513
製造零件編號S761ks15
HK$87.25
單位
DC Plug 5.0A 2.0mm Straight 5.5mm 30 V dc 57.1mm - Cable Mount IP68 3.8mm 4.4mm - Nickel
RS庫存編號 487-810
BrandRS PRO
HK$66.87
單位
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 40.4mm - Cable Mount - - - - Nickel
RS庫存編號 294-6992
製造零件編號4840.2230
BrandSchurter
HK$28.592
/個 (每包:5個)
單位
DC Socket 2.0A - Straight - 18 V dc 18.2mm 14.25mm Panel Mount - - - 1.45mm Nickel, Silver
RS庫存編號 163-1827
製造零件編號694102304002
HK$7.539
Each (In a Tray of 320)
單位
DC Socket 2.0A - Right Angle - 20.0 V 6.3mm 9mm Panel Mount - - - 3.5mm Gold, Tin
RS庫存編號 190-3266
製造零件編號1631 01
BrandLumberg
HK$9.156
/個 (每包:100個)
單位
DC Plug 500.0mA - Straight - 12.0 V - 10.9mm Cable Mount - - - - -
RS庫存編號 876-8653
製造零件編號761K
HK$61.45
單位
DC Plug 5.0A 2.5mm Straight 5.5mm - 45.7mm - Cable Mount - - - - Tin
RS庫存編號 124-8899
製造零件編號1631 01
BrandLumberg
HK$10.794
/個 (每包:5個)
單位
DC Plug 500.0mA - Straight - 12.0 V - 10.9mm Cable Mount - - - - -
RS庫存編號 163-1837
製造零件編號694106402002
HK$7.119
個 (以毎袋:500)
單位
DC Socket 3.0A - Straight - 20.0 V 9.0mm 14mm Panel Mount - - - 5.5mm Gold, Tin
RS庫存編號 190-3267
製造零件編號1633 03
BrandLumberg
HK$14.291
/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 878-7225
製造零件編號767KS17
HK$69.32
單位
DC Plug - 2.1mm Straight - - 57.1mm - Cable Mount IP68 3.2mm 3.8mm 2.5mm Tin
RS庫存編號 878-4879
製造零件編號PC722A
HK$29.222
/個 (每包:10個)
單位
DC Plug 5.0A 2.0mm Straight - 12.0 V 20.8mm - Panel Mount - - - - Silver
RS庫存編號 884-0948
BrandRS PRO
HK$18.134
/個 (每包:5個)
單位
DC Plug 2.0A 2.5mm Straight 5.5mm 16.0 V 34.5mm 9.0mm Cable Mount - - 5.2mm - -
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