Patent ID: 7972182

Claim:
An electrical connector defining a receiving space and comprising: an insulative housing including a tongue portion protruding into the receiving space, the tongue portion defining a mating face, a plurality of depressions defined in a front region of the mating face, and a plurality of passageways defined in a rear region of the mating face and being spaced away from the depressions; and a plurality of contacts held in the tongue portion and comprising a plurality of first and second contacts, the first contacts having elastic first contact portions being movably received in the passageways and protruding beyond the mating face and into the receiving space, and first tail portions opposite to the first contact portions, the second contacts having stiff second contact portions retained in the depressions and exposed to the receiving space, and second tail portions opposite to the second contact portions, the first and the second tail portions being arranged in only a single row; wherein the first contacts include a first pair of differential contacts and a first grounding contact, the second contacts include a second pair of differential contacts, and a second grounding contact, the first tail portion of the first grounding contact is arranged between the second tail portions of the second pair of differential contacts, the second tail portion of the second grounding contact is arranged between the first tail portions of the first pair of differential contacts; wherein the first contacts further include a power contact in condition that the first grounding contact and the power contact are located at two sides of the first pair of differential contacts, the second contacts further include a third pair of differential contacts in condition that the second grounding contact is located between the second and third pair of differential contacts, the first tail portion of the power contact is arranged between the third pair of differential contacts; wherein the first and second tail portions are coplanar with each other for being surface mounted on a printed circuit board or extending through the printed circuit board.