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
HK$85.56
Each
units
DC Socket 5.0A - Right Angle - 12 V dc 19.9mm - Panel Mount - - - 2.5mm Nickel
RS Stock No. 771-9183
BrandRS PRO
HK$7.28
Each (In a Pack of 10)
units
DC Plug 1.0A 1.4mm - 3.5mm 12 V 44.0mm 9.0mm Cable Mount - - - - Nickel
RS Stock No. 768-4399
Mfr. Part No.760-RS
HK$30.55
Each
units
DC Plug 5.0A 2.5mm Straight - - 36.1mm - Cable Mount - - - - Tin
RS Stock No. 667-7287
Mfr. Part No.KPJX-PM-4S
BrandKycon
HK$61.11
Each
units
- 7.5A - Right Angle - 20 V dc 25.2mm 14.2mm Panel Mount - - - - Tin
RS Stock No. 111-3725
Mfr. Part No.1614 20
BrandLumberg
HK$45.50
Each
units
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS Stock No. 170-5685
Mfr. Part No.1636 06
BrandLumberg
HK$27.041
Each (In a Box of 100)
units
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 1mm Nickel
RS Stock No. 170-5464
Mfr. Part No.1614 20
BrandLumberg
HK$42.189
Each (In a Box of 250)
units
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS Stock No. 884-0957
BrandRS PRO
HK$13.862
Each (In a Pack of 5)
units
DC Socket 2.0A - Right Angle - 16.0 V 15.2mm 9mm Panel Mount - - - 1.0mm -
RS Stock No. 909-2244
Mfr. Part No.1636 06
BrandLumberg
HK$26.87
Each
units
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 1mm Nickel
RS Stock No. 122-4870
Mfr. Part No.694102107102
HK$14.648
Each (In a Pack of 5)
units
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 9.0mm PCB Mount - - - 2.0mm Gold, Tin
RS Stock No. 122-4873
Mfr. Part No.694103107102
HK$17.016
Each (In a Pack of 5)
units
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 9.0mm PCB Mount - - - 2.1mm Gold, Tin
RS Stock No. 163-1828
Mfr. Part No.694103107102
HK$9.797
Each (On a Reel of 500)
units
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 15.0mm PCB Mount - - - 1.0mm Gold, Tin
RS Stock No. 768-4412
Mfr. Part No.722A-RS
HK$36.90
Each
units
DC Socket 5.0A - Straight - 12 V dc - 14.2mm Panel Mount - - - 2mm Silver
RS Stock No. 138-9405
Mfr. Part No.15-206
BrandLumberg
HK$16.29
Each
units
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 29.5mm - - - - - - Nickel
RS Stock No. 173-9847
Mfr. Part No.4840.2230
BrandSchurter
HK$21.88
Each (In a Box of 250)
units
DC Socket 2.0A - Straight - 18.0 V 18.2mm 14.25mm Panel Mount - - - 1.45mm Nickel, Silver
RS Stock No. 122-4868
Mfr. Part No.694001
HK$1,180.38
Each
units
DC Socket - - - - - - - - - - - - -
RS Stock No. 768-4406
Mfr. Part No.S760-RS
HK$44.96
Each
units
DC Plug 5.0A 2.1mm Straight - - 36.1mm - Cable Mount - - - - Tin
RS Stock No. 163-1825
Mfr. Part No.694102107102
HK$22.737
Each (On a Reel of 500)
units
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 15.0mm PCB Mount - - - 1.0mm Gold, Tin
RS Stock No. 294-6992
Mfr. Part No.4840.2230
BrandSchurter
HK$29.914
Each (In a Pack of 5)
units
DC Socket 2.0A - Straight - 18 V dc 18.2mm 14.25mm Panel Mount - - - 1.45mm Nickel, Silver
RS Stock No. 294-7024
Mfr. Part No.4840.1230
BrandMasterplug
HK$29.914
Each (In a Pack of 5)
units
- 2A 1.4mm Straight 6.5mm 18 V dc 46.5mm - Cable Mount - - 4mm - Nickel Silver Alloy