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. 487-810
BrandRS PRO
HK$38.30
Each
units
5A 2.5mm Straight 5.5mm 12 V 40.4mm Cable Mount - - - Nickel Brass -
RS Stock No. 768-4406
Mfr. Part No.S760-RS
HK$19.52
Each
units
5A 2.1mm Straight - - 36.1mm Cable Mount - - - Tin Brass -
RS Stock No. 487-820
BrandRS PRO
HK$30.55
Each
units
5A 2.1mm Straight 5.5mm 12 V 40.4mm Cable Mount - - - Nickel Brass -
RS Stock No. 878-7216
Mfr. Part No.761KS17
HK$42.03
Each
units
5A 2.5mm Straight - - 57.1mm Cable Mount IP68 4.4mm 5.1mm Tin Copper Alloy 761KS
RS Stock No. 878-6787
Mfr. Part No.RAPC722X
HK$6.63
Each (In a Pack of 50)
units
5A - Right Angle - - 14.5mm PCB Mount - - - Nickel Brass DC
RS Stock No. 705-1513
Mfr. Part No.S761ks15
HK$42.14
Each
units
5A 2.1mm Straight 5.5mm 30 V dc 57.1mm Cable Mount IP68 3.8mm 4.4mm Nickel Copper Alloy -
RS Stock No. 211-332
Mfr. Part No.3620
BrandMascot
HK$13.01
Each
units
- 2.5mm Straight 5.5mm - 11.5mm - - - - - - -
RS Stock No. 878-7222
Mfr. Part No.767KS12
HK$49.53
Each
units
- 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 767K
RS Stock No. 124-9881
Mfr. Part No.1610 02
BrandLumberg
HK$9.32
Each (In a Pack of 5)
units
500mA 1.95mm Straight 12mm 12 V dc 14.4mm Snap-In - - - Nickel CuSn, CuZn 1610
RS Stock No. 878-7225
Mfr. Part No.767KS17
HK$49.53
Each
units
- 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 767K
New
RS Stock No. 190-3271
Mfr. Part No.NES 1 GRAU
BrandLumberg
HK$16.678
Each (In a Box of 100)
units
3A 1.98mm Straight 6mm 34 V dc 36mm - - - - Nickel Brass NEB/J
RS Stock No. 884-0932
BrandRS PRO
HK$31.51
Each
units
2A 2.5mm Straight 5.5mm 16 V 2m Cable Mount - - 2.5mm - - FC68147
RS Stock No. 768-4403
Mfr. Part No.S765
HK$35.43
Each
units
5A 2.1mm Straight - - 36.1mm Cable Mount - - - Tin Brass -
RS Stock No. 878-4793
Mfr. Part No.L712RA
HK$31.64
Each
units
5A 2.5mm Right Angle - 12 V dc 23.3mm Through Hole - - - Silver Copper Alloy RA
RS Stock No. 878-2606
Mfr. Part No.L712A
HK$24.74
Each
units
5A 2.5mm Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy L7
RS Stock No. 878-4860
Mfr. Part No.PC712A
HK$22.626
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. 768-4396
Mfr. Part No.765
HK$29.44
Each
units
5A 2.5mm Straight - - 36.1mm Cable Mount - - - Tin Copper Alloy -
RS Stock No. 869-3219
Mfr. Part No.4840.1211
BrandSchurter
HK$21.096
Each (In a Pack of 100)
units
500mA 2.5mm Straight 5.5mm 12 V dc 46.5mm Cable Mount - - 4mm Nickel - 4840
RS Stock No. 884-0948
BrandRS PRO
HK$14.364
Each (In a Pack of 5)
units
2A 2.5mm Straight 5.5mm 16 V dc 34.5mm Cable Mount - - 5.2mm - - FC68147
RS Stock No. 124-8899
Mfr. Part No.1631 01
BrandLumberg
HK$9.222
Each (In a Pack of 5)
units
500mA - Straight - 12 V dc - Cable Mount - - - - - 1631
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