Patent ID: 7517259

Claim:
An electric power connector for connecting to contact holes of a matching socket type electric connector, comprising: an insulative housing comprising a receiving chamber to receive said matching socket type electric connector, a plug portion disposed at a rear side inside said receiving chamber, a plurality of countersunk holes cut through said plug portion and backwardly extending from said receiving chamber to the outside of said electrically insulative housing, and two positioning portions disposed at two opposite lateral inner side walls of said receiving chamber to engage with corresponding positioning portions of the matching socket type electric connector; and a set of conducting terminals respectively mounted in said countersunk holes of said electrically insulative housing, each comprising a positioning portion respectively positioned in said associating countersunk hole, a front contact portion forwardly extending from one end of said positioning portion such that the front contact portion is suspended in said receiving chamber to insert into one contact hole of said matching socket type electric connector, and a rear bonding portion backwardly extending from an opposite end of said positioning portion through said associating countersunk hole and extending beyond a rear wall of said electrically insulative housing to the outside of said electrically insulative housing and bonded to an external circuit board; wherein each countersunk hole has a circular cross section and at least three equiangularly spaced ribs formed on an inner wall of said countersunk hole to engage with the positioning portion of the corresponding conducting terminal to prohibit rotation of said conducting terminals relative to said housing.