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 Stock No. 476-151
BrandRS PRO
SGD13.91
Each
units
DC Socket 5.0A - Right Angle - 12 V dc 19.9mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 124-8898
Mfr. Part No.1614 21
BrandLumberg
SGD7.83
Each
units
DC Socket 10.0A - Straight - 24.0 V 16.5mm 12.0mm Snap-In - - - 2.35mm Nickel
RS Stock No. 878-7216
Mfr. Part No.761KS17
SGD12.32
Each
units
DC Plug 5.0A 2.5mm Straight - - 57.1mm - Cable Mount IP68 4.4mm 5.1mm - Tin
RS Stock No. 487-810
BrandRS PRO
SGD11.54
Each
units
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 40.4mm - Cable Mount - - - - Nickel
RS Stock No. 878-2511
Mfr. Part No.S761K
SGD9.82
Each
units
DC Plug 5.0A 2.0mm Straight - - 45.7mm - Cable Mount - - - - Tin
RS Stock No. 487-842
BrandRS PRO
SGD9.58
Each
units
DC Socket 5.0A - Straight - 12 V dc 21.3mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 667-7287
Mfr. Part No.KPJX-PM-4S
BrandKycon
SGD12.62
Each
units
- 7.5A - Right Angle - 20 V dc 25.2mm 14.2mm Panel Mount - - - - Tin
RS Stock No. 705-1525
Mfr. Part No.L712AS
SGD17.55
Each
units
DC Socket 5.0A - Straight - 30 V dc 26.3mm - Panel Mount IP68 - - 2.5mm Silver
RS Stock No. 768-4396
Mfr. Part No.765-RS
SGD5.37
Each
units
DC Plug 5.0A 2.5mm Straight - - 36.1mm - Cable Mount - - - - Tin
RS Stock No. 768-4412
Mfr. Part No.722A-RS
SGD8.22
Each
units
DC Socket 5.0A - Straight - 12 V dc - 14.2mm Panel Mount - - - 2mm Silver
RS Stock No. 448-370
BrandRS PRO
SGD0.429
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. 884-0950
BrandRS PRO
SGD3.436
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 - -
RS Stock No. 505-1564
Mfr. Part No.XNES/J 250
BrandLumberg
SGD3.58
Each
units
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 43.0mm - Cable Mount - - - - Nickel
RS Stock No. 734-7378
BrandRS PRO
SGD7.66
Each
units
DC Socket 2.0A - - - - 18.2mm 10mm PCB Mount - - - - Silver
RS Stock No. 190-3288
Mfr. Part No.XNES/J 250
BrandLumberg
SGD2.018
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. 768-4419
Mfr. Part No.712A-RS
SGD6.45
Each
units
DC Socket 5.0A - Straight - 12 V dc - 12.0mm Panel Mount - - - 2.35mm Silver
RS Stock No. 667-7283
Mfr. Part No.KPJX-4S
BrandKycon
SGD12.73
Each
units
- 7.5A - Right Angle - 20 V dc 17mm 15mm - - - - - Tin
RS Stock No. 487-836
BrandRS PRO
SGD4.36
Each
units
DC Socket 2.5A - Right Angle - 16 V dc 14.5mm 14.5mm PCB Mount - - - 5.5mm Nickel
RS Stock No. 190-3271
Mfr. Part No.NES 1 GRAU
BrandLumberg
SGD3.009
Each (In a Box of 100)
units
DC Plug 3.0A 1.98mm Straight 6.0mm 34.0 V 36.0mm 21.0mm - - - - 2.0mm Nickel
RS Stock No. 124-8902
Mfr. Part No.1636 07
BrandLumberg
SGD5.89
Each
units
DC Plug 10.0A - Straight - 24.0 V 71.1mm - Cable Mount - - - - Nickel