US Patent 10135204 Electrical connector having an auxiliary contact

An electrical connector includes: an insulative housing having a base and a tongue; an upper and lower rows of contacts mounted in the insulative housing and exposed to an upper and lower surfaces of the tongue, the upper row of contacts and the lower row of contacts being equal in number; and an auxiliary contact disposed among the upper row of contacts. The upper rows of contacts and the lower row of contacts and a metallic shielding sheet are integrally formed within an insulator via a one shot initial insert-molding process to form an initial module. Some of the contacts are equipped with ears viewable upon the corresponding surface of the tongue.