The objectives of the present invention include to mount an electric contact or an electric connector on a printed circuit board without conducting the soldering work, and to make mounting the electric contact on a printed circuit board by an automatic machine even when the electric contact is microminiaturized. The electric contact using resin solder according to the present invention is connected to a printed circuit board, which has a conductor being provided on a surface thereof. This electric contact comprises a leg, which contacts the conductor of the printed circuit board, and a connecting part, which is connected to the conductor of the counterpart member. At least a part of the leg, which contacts the conductor of the printed circuit board, is made of a lead-free ultrahigh-conductive plastic being a conductive resin composite. The electric connector comprises the electric contact and an insulating housing, which holds the electric contact so that the part of the leg, which contacts the conductor of the printed circuit board, is exposed.