Patent ID: 7699663

Claim:
An electrical connector for being mounted on a PCB, comprising: a housing member; a plurality of contacts attached to the housing member, the contacts comprising a plurality of first contacts having deformable first contact portions and a plurality of second contacts having stiff second contact portions under a condition that the first and the second contact portions are located at a same side of the housing member, the first and the second contact portions being respectively arranged side by side along parallel transverse directions, the first and the second contact portions offsetting from each other along a longitudinal direction perpendicular to the transverse directions, the second contacts comprising a first pair of differential contacts, a second pair of differential contacts and a grounding contact disposed therebetween, the first contacts and the first and the second pairs of differential contacts are used for being soldered to the PCB while the grounding contact needn't be soldered to the PCB; and a metal shell enclosing the housing member for being mounted on the PCB; wherein the grounding contact comprises a grounding tab opposite to the corresponding second contact portion to attach to the metal shell for grounding purpose.