Patent ID: 8033841

Claim:
An electrical connector for being mounted onto a printed circuit board comprising: an insulative housing defining a base portion sitting downwardly onto the printed circuit board, and a tongue plate extending forwardly from the base portion and being upright; a metal shell covering the insulative housing and defining a receiving space with the tongue plate extending therein; and a plurality of first contacts retained in the insulative housing and defining first contacting portions attached to a lateral side of the tongue plate to be exposed to the receiving space and arranged in one row along a height direction of the electrical connector, first tail portions extending outwardly beyond the insulative housing for being mounted onto the printed circuit board, and first connecting portions connecting the first contacting portions and the first tail portions, the first contacts comprising, two pairs of differential contacts and a grounding contact located inbetween, each pair of differential contacts an upper contact and a lower contact located under the upper contact; wherein total lengths of the upper and lower contacts are substantially equal.