An electrical connector comprises outer plate-shaped contacts and a center plate-shaped contact, a dielectric member is secured onto the plate-shaped contacts maintaining the plate-shaped contacts in spaced relationship and in the same plane so that the plate-shaped contacts are coplanar, a coupling part at the other ends of the outer plate-shaped contacts interconnecting them, a receptacle contact as part of the coupling part, and a pin contact member at the other end of the center plate-shaped contact disposed within the receptacle contact member at the center thereof.