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. 878-4860
Mfr. Part No.PC712A
MYR10.936
Each (In a Pack of 10)
units
5A 2.5mm Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy PC7
RS Stock No. 768-4406
Mfr. Part No.S760-RS
MYR14.26
Each
units
5A 2.1mm Straight - - 36.1mm Cable Mount - - - Tin Brass -
RS Stock No. 124-8900
Mfr. Part No.1633 03
BrandLumberg
MYR7.008
Each (In a Pack of 5)
units
4A - Straight - 12 V dc 46.5mm Cable Mount - - - Nickel Copper Alloy 1633
RS Stock No. 138-9376
Mfr. Part No.512-15223
BrandLumberg
MYR4.94
Each
units
500mA 2.1mm Straight 5.5mm 12 V dc 35mm - - - - Nickel Brass NES/J
RS Stock No. 869-3228
Mfr. Part No.4840.1220
BrandSchurter
MYR10.276
Each (In a Pack of 100)
units
2A 3.3mm Straight 5.5mm 13.5 V dc 37.5mm Cable Mount - - 4mm Nickel - 4840
RS Stock No. 768-4403
Mfr. Part No.S765
MYR18.39
Each
units
5A 2.1mm Straight - - 36.1mm Cable Mount - - - Tin Brass -
RS Stock No. 138-9398
Mfr. Part No.51215217
BrandLumberg
MYR3.86
Each
units
500mA 2.1mm Straight 5.5mm 12 V dc 29.5mm - - - - Nickel Brass NES/J
RS Stock No. 878-4901
Mfr. Part No.860
MYR14.08
Each
units
5A - Straight - - 1.42in Cable Mount - - - Tin Copper Alloy -
RS Stock No. 878-6840
Mfr. Part No.RASM722X
MYR4.495
Each (In a Pack of 50)
units
5A - Right Angle - - - SMT Mount - - - Nickel Copper Alloy DC
RS Stock No. 878-6932
Mfr. Part No.RAPC742X
MYR5.163
Each (In a Pack of 50)
units
3A - Right Angle - - 11.6mm PCB Mount - - - Nickel Copper Alloy DC
RS Stock No. 878-7207
Mfr. Part No.761KS12
MYR22.99
Each
units
5A 2.5mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 761KS
RS Stock No. 878-7203
Mfr. Part No.PCL722AS
MYR24.76
Each
units
5A 2mm Straight - 30 V dc 26.3mm Through Hole IP68 - - Silver Copper Alloy PCL7
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