The invention relates to an electrical connector comprising, a female terminal, including a terminal base body; one or more pairs of terminal plates facing each other, protruding in an insertion direction from the edge of the terminal base body, for receiving and connecting to a mating male terminal and the one or more pairs of terminal plates facing each other being adapted to form recesses for receiving the mating male terminal and to provide a clamping compressive force against the mating male terminal; and one or more tilting restriction elements, a connector cavity for building the female terminal in, and an opening of the electrical connector for inserting a mating male terminal for connecting the mating male terminal with the female terminal, wherein the connector cavity includes one or more contacting portions corresponding to the tilting restriction elements.