DC Power Plugs

What is a DC Power plug?

The DC Power Plug is 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 center 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 Current Rating Inner Diameter Body Orientation Outer Diameter Voltage Rating Length Mounting Type IP Rating Minimum Cable Diameter Maximum Cable Diameter Contact Plating Contact Material Series
RS Stock No. 768-4400
Mfr. Part No.S760K
TWD232
Each
units
5A 2.1mm Straight - - 43.2mm Cable Mount - - - Tin Brass -
RS Stock No. 768-4393
Mfr. Part No.760K
TWD209
Each
units
5A 2.5mm Straight - - 43.2mm Cable Mount - - - Tin Brass -
RS Stock No. 487-854
BrandRS Pro
TWD77
Each
units
5A 2.5mm Straight 5.5mm 12 V 23.6mm Cable Mount - - - Nickel Silver Alloy Brass -
RS Stock No. 876-8653
Mfr. Part No.761K
TWD133
Each
units
5A 2.5mm Straight 5.5mm - 45.7mm Cable Mount - - - Tin Brass 761
RS Stock No. 884-0950
BrandRS Pro
TWD38
Each (In a Pack of 5)
units
2A 2.1mm Straight 5.5mm 16 V dc 34.5mm Cable Mount - - 5.2mm - - FC68147
RS Stock No. 771-9186
BrandRS Pro
TWD10
Each (In a Pack of 10)
units
1A 2.1mm - 5.5mm 12 V 44mm Cable Mount - - - Nickel - DC
RS Stock No. 878-2511
Mfr. Part No.S761K
TWD125
Each
units
5A 2mm Straight - - 45.7mm Cable Mount - - - Tin Brass S7
RS Stock No. 505-1558
Mfr. Part No.XNES/J 210
BrandLumberg
TWD54
Each
units
500mA 2.1mm Straight 5.5mm 12 V dc 43mm Cable Mount - - - Nickel Brass NES/J
RS Stock No. 878-4793
Mfr. Part No.L712RA
TWD131
Each
units
5A 2.1mm Right Angle - 12 V dc 23.3mm Through Hole - - - Silver Copper Alloy RA
RS Stock No. 211-332
Mfr. Part No.3620
BrandMascot
TWD50
Each
units
- 2.5mm Straight 5.5mm - 11.5mm - - - - - - -
RS Stock No. 525-4886
Mfr. Part No.MCA-605
TWD188
Each
units
2A - Straight - - - - - - - Silver Brass EIAJ
RS Stock No. 878-6787
Mfr. Part No.RAPC722X
TWD35
Each (In a Pack of 50)
units
5A - Right Angle - - 14.5mm PCB Mount - - - Nickel Brass DC
RS Stock No. 705-1522
Mfr. Part No.767KS15
TWD575
Each
units
- 2.1mm Straight 5.5mm - 57.1mm Cable Mount - - - Nickel Copper Alloy -
RS Stock No. 771-9183
BrandRS Pro
TWD19
Each (In a Pack of 10)
units
1A 1.4mm - 3.5mm 12 V 44mm Cable Mount - - - Nickel - DC
RS Stock No. 768-4399
Mfr. Part No.760
TWD160
Each
units
5A 2.5mm Straight - - 36.1mm Cable Mount - - - Tin Copper Alloy -
RS Stock No. 124-8899
Mfr. Part No.1631 01
BrandLumberg
TWD33
Each (In a Pack of 5)
units
500mA - Straight - 12 V dc - Cable Mount - - - - - 1631
RS Stock No. 878-2628
Mfr. Part No.L722A
TWD110
Each
units
5A 2mm Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy L7
RS Stock No. 878-7219
Mfr. Part No.S761KS12
TWD191
Each
units
5A 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Nickel Copper Alloy S761KS
RS Stock No. 124-8900
Mfr. Part No.1633 03
BrandLumberg
TWD47
Each (In a Pack of 5)
units
4A - Straight - 12 V dc 46.5mm Cable Mount - - - Nickel Copper Alloy 1633
RS Stock No. 138-9398
Mfr. Part No.51215217
BrandLumberg
TWD33
Each
units
500mA 2.1mm Straight 5.5mm 12 V dc 29.5mm - - - - Nickel Brass NES/J