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庫存編號 869-3215
製造零件編號4840.1201
BrandSchurter
HK$21.096
/個 (每包:100個)
單位
500mA 2.1mm Straight 5.5mm 12 V dc 46.5mm Cable Mount - - 4mm Nickel - 4840
RS庫存編號 124-8902
製造零件編號1636 07
BrandLumberg
HK$30.74
單位
10A - Straight - 24 V dc 71.1mm Cable Mount - - - Nickel Brass 1636
RS庫存編號 878-4879
製造零件編號PC722A
HK$18.15
/個 (每包:10個)
單位
5A 2mm Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy PC7
RS庫存編號 878-7184
製造零件編號PCL722A
HK$36.83
單位
5A - Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy PCL7
RS庫存編號 164-9106
製造零件編號1-2129334-1
HK$12.099
Each (In a Tray of 64)
單位
10.7A - Right Angle - 25 V dc 20.6mm PCB Mount - - - Gold over Tin Copper Alloy DC-IN
RS庫存編號 768-4400
製造零件編號S760K
HK$28.67
單位
5A 2.1mm Straight - - 43.2mm Cable Mount - - - Tin Brass -
RS庫存編號 505-1558
製造零件編號XNES/J 210
BrandLumberg
HK$11.33
單位
500mA 2.1mm Straight 5.5mm 12 V dc 43mm Cable Mount - - - Nickel Brass NES/J
RS庫存編號 705-1522
製造零件編號767KS15
HK$54.08
單位
- 2.1mm Straight 5.5mm - 57.1mm Cable Mount - - - Nickel Copper Alloy -
RS庫存編號 878-2606
製造零件編號L712A
HK$24.74
單位
5A 2.5mm Straight - 12 V dc 20.8mm Through Hole - - - Silver Copper Alloy L7
RS庫存編號 878-4901
製造零件編號860
HK$30.32
單位
5A - Straight - - 1.42in Cable Mount - - - Tin Copper Alloy -
RS庫存編號 878-5257
製造零件編號ST10U
HK$59.04
單位
13A - Straight - 24 V ac/dc 28.97mm Through Hole IP66, IP67, IP68 - - Gold over Silver Copper Alloy ST
RS庫存編號 878-7225
製造零件編號767KS17
HK$49.53
單位
- 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 767K