DC Power Connectors

What are 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 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. 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
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 Stock No. 487-848
BrandRS PRO
HK$25.18
Each
units
DC Socket 2.5A - Right Angle - 16 V dc 14.5mm 14.7mm PCB Mount - - - 2.55mm Nickel
RS Stock No. 705-1525
Mfr. Part No.L712AS
HK$41.28
Each
units
DC Socket 5.0A - Straight - 30 V dc 26.3mm - Panel Mount IP68 - - 2.5mm Silver
RS Stock No. 487-854
BrandRS PRO
HK$11.49
Each
units
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 23.6mm - Cable Mount - - - - Nickel, Silver
RS Stock No. 487-858
BrandRS PRO
HK$11.49
Each
units
DC Plug 5.0A 2.1mm Straight 5.5mm 12 V 23.6mm - Cable Mount - - - - Nickel
RS Stock No. 487-832
BrandRS PRO
HK$50.01
Each
units
DC Socket 5.0A - Straight - 12 V dc 21.3mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 487-842
BrandRS PRO
HK$50.35
Each
units
DC Socket 5.0A - Straight - 12 V dc 21.3mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 448-382
BrandRS PRO
HK$7.531
Each (In a Pack of 10)
units
DC Socket 1.0A - Right Angle - 12 V dc 14.5mm 11.1mm PCB Mount - - - 3.5mm Nickel
RS Stock No. 448-376
BrandRS PRO
HK$2.104
Each (In a Pack of 10)
units
DC Socket 1.0A - Straight - 12 V dc 14.5mm 11.1mm PCB Mount - - - 2.5mm Nickel
RS Stock No. 505-1564
Mfr. Part No.XNES/J 250
BrandLumberg
HK$16.67
Each
units
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 43.0mm - Cable Mount - - - - Nickel
RS Stock No. 705-1519
Mfr. Part No.761KS15
HK$43.82
Each
units
DC Plug 5.0A 2.5mm Straight 5.5mm - 57.1mm - Cable Mount IP68 - - - Nickel
RS Stock No. 190-3288
Mfr. Part No.XNES/J 250
BrandLumberg
HK$13.553
Each (In a Box of 100)
units
DC Plug 1.0A 2.5mm Straight 5.5mm 12.0 V 43.0mm - Cable Mount - - - - Nickel
RS Stock No. 448-370
BrandRS PRO
HK$2.379
Each (In a Pack of 10)
units
DC Socket 1.0A - Straight - 12 V dc 16.1mm 14.25mm Panel Mount - - - 2.1mm Nickel
RS Stock No. 211-348
Mfr. Part No.3630A
BrandMascot
HK$19.66
Each
units
DC Plug - 2.1mm Right Angle 5.5mm - 12.0mm 14.0mm - - - - 5.5mm -
RS Stock No. 771-9174
BrandRS PRO
HK$7.367
Each (In a Pack of 10)
units
DC Plug 1.0A 2.5mm - 5.5mm 12 V 44.0mm 9.0mm Cable Mount - - - 2.5mm Nickel
RS Stock No. 771-9186
BrandRS PRO
HK$6.345
Each (In a Pack of 10)
units
DC Plug 1.0A 2.1mm - 5.5mm 12 V 44.0mm - Cable Mount - - - - Nickel
RS Stock No. 487-826
BrandRS PRO
HK$11.49
Each
units
DC Plug 5.0A 2.1mm Straight 5.5mm 12 V 23.6mm - Cable Mount - - - - Nickel, Silver
RS Stock No. 884-0941
BrandRS PRO
HK$39.67
Each
units
DC Plug - 2.1mm Straight 5.5mm 16.0 V 2.0m 9.0mm Cable Mount - - 2.5mm 2.1mm -
RS Stock No. 768-4419
Mfr. Part No.712A-RS
HK$24.05
Each
units
DC Socket 5.0A - Straight - 12 V dc - 12.0mm Panel Mount - - - 2.35mm Silver
RS Stock No. 476-151
BrandRS PRO
HK$74.14
Each
units
DC Socket 5.0A - Right Angle - 12 V dc 19.9mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 884-0950
BrandRS PRO
HK$18.57
Each (In a Pack of 5)
units
DC Plug 2.0A 2.1mm Straight 5.5mm 16.0 V 34.5mm 9.0mm Cable Mount - - 5.2mm 2.5mm -
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