Electrical connector

An electrical connector comprising:

• a dielectric housing comprising a mating face, a rear face opposed to said mating face, and a plurality of first passages extending from said rear face to said mating face;
• a plurality of first conductive contacts respectively secured in said dielectric housing, wherein said first conductive contacts are manufactured according to the same specification, each first conductive contact comprises a retaining portion, a contacting portion extending from a end of said retaining portion, and a mounting portion extending from the end opposite to said contacting portion, wherein said retaining portions and contacting portions of said first conductive contacts are respectively inserted into corresponding said first passages at different depths, said retaining portion secured in corresponding said first passage, said contacting portion exposed in corresponding first passage, said mounting portion extending out from said rear face;
• and wherein said rear face has a planar surface while the retaining portion of one of the first conductive contacts which is inserted into said first passage at the shallowest depth partially projects out from said planar face.