For an object of providing a connector which has improved heat radiating efficiency, the connector includes a terminal 2 including a wire connecting portion 21 which an electric wire is connected, and a connector housing 3 provided with a terminal receiving section 30 receiving the terminal 2. Heat radiating portions 45, 55 are provided at a position of the terminal receiving portion 30, at which the wire connecting portion 21 is covered. In the heat radiating portions 45, 55, a plurality of projections 49, 59 formed to project from the surface 4a, 5a of the terminal receiving section 30 is arranged at intervals to each other.