Power jack with central pin

A power jack for mating with a mating plug comprising:

• an insulating housing having a front face, a rear face opposite to the front face, a plug insertion hole defined through the front face, an upper recess and a lower recess both defined in the rear face, a groove communicating the upper recess with the lower recess, an elongated cavity communicating the upper recess with the plug insertion hole, an elongated chamber communicating with the lower recess and the groove, and a pair of slots on opposite sides of the elongated cavity and in communication with the groove;
• a first switch contact substantially received in the elongated chamber;
• a second switch contact fixed to the insulating housing and partially received in the elongated chamber, the first switch contact being movable to electrically contact with said second switch contact by a mating plug;
• and
• an one-piece central conductive pin comprising a hollow contacting portion received in said elongated cavity and in alignment with said plug insertion hole, a soldering portion vertically extending through said lower recess and engaged with the insulating housing, and an intermediate portion connecting said contacting portion and said soldering portion, said intermediate portion being substantially received in said groove and comprising a pair of wings, the pair of wings extending from opposite sides thereof and being retained in said pair of slots.