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庫存編號 476-151
BrandRS PRO
HK$74.14
單位
DC Socket 5.0A - Right Angle - 12 V dc 19.9mm - Panel Mount - - - 2.5mm Nickel
RS庫存編號 667-7283
製造零件編號KPJX-4S
BrandKycon
HK$70.24
單位
- 7.5A - Right Angle - 20 V dc 17mm 15mm - - - - - Tin
RS庫存編號 771-9183
BrandRS PRO
HK$6.24
/個 (每包:10個)
單位
DC Plug 1.0A 1.4mm - 3.5mm 12 V 44.0mm 9.0mm Cable Mount - - - - Nickel
RS庫存編號 869-3228
製造零件編號4840.1220
BrandSchurter
HK$18.034
/個 (每包:100個)
單位
DC Plug 2.0A 3.3mm Straight 5.5mm 13.5 V 37.5mm 9.0mm Cable Mount - - 4.0mm - Nickel
RS庫存編號 170-5464
製造零件編號1614 20
BrandLumberg
HK$19.277
個 (以毎盒:250)
單位
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS庫存編號 768-4399
製造零件編號760
HK$23.34
單位
DC Plug 5.0A 2.5mm Straight - - 36.1mm - Cable Mount - - - - Tin
RS庫存編號 909-2244
製造零件編號1636 06
BrandLumberg
HK$22.52
單位
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 2.5mm Nickel
RS庫存編號 111-3725
製造零件編號1614 20
BrandLumberg
HK$42.48
單位
DC Socket 1.0A - Straight - 12.0 V - 14.25mm Panel Mount - - - 2.35mm Nickel
RS庫存編號 884-0957
BrandRS PRO
HK$12.638
/個 (每包:5個)
單位
DC Socket 2.0A - Right Angle - 16.0 V 15.2mm 9mm Panel Mount - - - 1.0mm -
RS庫存編號 667-7287
製造零件編號KPJX-PM-4S
BrandKycon
HK$61.78
單位
- 7.5A - Right Angle - 20 V dc 25.2mm 14.2mm Panel Mount - - - - Tin
RS庫存編號 170-5685
製造零件編號1636 06
BrandLumberg
HK$21.22
個 (以毎盒:100)
單位
DC Plug 2.0A 4.1mm Straight 6.5mm 24.0 V 37.0mm 9.0mm Cable Mount - 1.7mm 7.0mm 2.1mm Nickel
RS庫存編號 122-4870
製造零件編號694102107102
HK$14.184
/個 (每包:5個)
單位
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 9.0mm PCB Mount - - - 2.0mm Gold, Tin
RS庫存編號 138-9405
製造零件編號15-206
BrandLumberg
HK$15.21
單位
DC Plug 1.0A 2.5mm Straight 5.5mm 12 V dc 29.5mm - - - - - - Nickel
RS庫存編號 122-4868
製造零件編號694001
HK$1,096.90
單位
DC Socket - - - - - - - - - - - - -
RS庫存編號 122-4873
製造零件編號694103107102
HK$13.756
/個 (每包:5個)
單位
DC Socket 5.0A - Right Angle - 18.0 V 8.0mm 9.0mm PCB Mount - - - 2.1mm Gold, Tin
RS庫存編號 122-4875
製造零件編號694103304002
HK$10.008
/個 (每包:5個)
單位
DC Socket 2.0A - Right Angle - 20.0 V 6.3mm 9mm Panel Mount - - - 1.35mm Gold, Tin
RS庫存編號 487-810
BrandRS PRO
HK$63.45
單位
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 40.4mm - Cable Mount - - - - Nickel
RS庫存編號 487-814
BrandRS PRO
HK$11.49
單位
DC Plug 5.0A 2.5mm Straight 5.5mm 12 V 23.6mm - Cable Mount - - - - Nickel
RS庫存編號 294-7024
製造零件編號4840.1230
BrandMasterplug
HK$28.60
/個 (每包:5個)
單位
- 2A 1.4mm Straight 6.5mm 18 V dc 46.5mm - Cable Mount - - 4mm - Nickel Silver Alloy
RS庫存編號 878-6787
製造零件編號RAPC722X
HK$7.49
/個 (每包:50個)
單位
DC Plug 5.0A - Right Angle - - 14.5mm 11.1mm PCB Mount - - - 3.5mm Nickel