An electrical connector includes an insulative housing and at least one terminal, the insulative housing having a front face, at least one cavity and at least one receiving slot formed in the front face for receiving a printed circuit board and communicating with the cavity. The terminal retained in the respective cavity has a base portion, a contact portion extending into the receiving slot for resiliently abutting against the printed circuit board and a tail portion extending rearward from the base portion. The insulative housing has at least one lock arm formed integral therewith to fasten the printed circuit board.