PURPOSE: A terminal assembly is provided to secure the connection force and postural fixation force of a terminal pin. CONSTITUTION: A terminal assembly(1) includes the frame combined with a terminal(10). In one end of the terminal, the connector equipped with one or more fixed protrusion which is perpendicularly projected to the frame side prepares. In the frame, a fixing hole(52) corresponding to the fixed protrusion is placed. The fixed protrusion is pressed in the fixing hole and the terminal and frame are interconnected.