DC Power Plugs

What are 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 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 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
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 878-6787
製造零件編號RAPC722X
HK$6.84
/個 (每包:50個)
單位
5A - Right Angle - - 14.5mm PCB Mount - - - Nickel Brass DC
RS庫存編號 487-820
BrandRS PRO
HK$63.45
單位
5A 2.1mm Straight 5.5mm 12 V 40.4mm Cable Mount - - - Nickel Brass -
RS庫存編號 705-1513
製造零件編號S761ks15
HK$51.07
單位
5A 2.1mm Straight 5.5mm 30 V dc 57.1mm Cable Mount IP68 3.8mm 4.4mm Nickel Copper Alloy -
RS庫存編號 138-9405
製造零件編號15-206
BrandLumberg
HK$14.48
單位
1A 2.5mm Straight 5.5mm 12 V dc 29.5mm - - - - Nickel Brass XNES/J
RS庫存編號 487-814
BrandRS PRO
HK$11.49
單位
5A 2.5mm Straight 5.5mm 12 V 23.6mm Cable Mount - - - Nickel Brass -
RS庫存編號 173-9848
製造零件編號4840.1230
BrandMasterplug
HK$20.62
個 (以毎盒:100)
單位
2A 1.4mm Straight 6.5mm 18 V dc 46.5mm Cable Mount - - 4mm Nickel Silver Alloy Brass JSBP5
RS庫存編號 878-7219
製造零件編號S761KS12
HK$58.20
單位
5A 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Nickel Copper Alloy S761KS
RS庫存編號 878-7222
製造零件編號767KS12
HK$51.03
單位
- 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 767K
RS庫存編號 878-4879
製造零件編號PC722A
HK$53.06
/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 124-9881
製造零件編號1610 02
BrandLumberg
HK$12.00
/個 (每包:5個)
單位
500mA 1.95mm Straight 12mm 12 V dc 14.4mm Snap-In - - - Nickel CuSn, CuZn 1610
RS庫存編號 878-7207
製造零件編號761KS12
HK$49.65
單位
5A 2.5mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 761KS
RS庫存編號 878-6724
製造零件編號RAPC712X
HK$16.50
/個 (每包:50個)
單位
5A - Right Angle - - 14.5mm PCB Mount - - - Nickel Brass DC
RS庫存編號 505-1558
製造零件編號XNES/J 210
BrandLumberg
HK$16.67
單位
500mA 2.1mm Straight 5.5mm 12 V dc 43mm Cable Mount - - - Nickel Brass NES/J
RS庫存編號 878-4797
製造零件編號L722RA
HK$56.07
單位
5A 2mm Right Angle - 12 V dc 23.3mm Through Hole - - - Silver Copper Alloy RA
RS庫存編號 878-7213
製造零件編號S761KS17
HK$47.49
單位
5A 2.1mm Straight - - 57.1mm Cable Mount IP68 4.4mm 5.1mm Nickel Copper Alloy S762KS
RS庫存編號 124-8900
製造零件編號1633 03
BrandLumberg
HK$13.236
/個 (每包:5個)
單位
2A - Straight - 24 V 46.5mm Cable Mount - - - Nickel Copper Alloy 1633
RS庫存編號 878-7225
製造零件編號767KS17
HK$58.20
單位
- 2.1mm Straight - - 57.1mm Cable Mount IP68 3.2mm 3.8mm Tin Copper Alloy 767K
RS庫存編號 705-1557
製造零件編號760BK
HK$42.36
單位
5A 2.5mm Straight - - 37.1mm Cable Mount - - - Nickel Copper Alloy -
RS庫存編號 190-3266
製造零件編號1631 01
BrandLumberg
HK$8.07
/個 (每包:100個)
單位
500mA - Straight - 12 V dc - Cable Mount - - - - - 1631
RS庫存編號 876-8644
製造零件編號765K
HK$44.84
單位
5A 2.5mm Straight 5.5mm - 43.2mm Cable Mount - - - Tin Brass 765