Multi card socket for mobile communication terminal and multi card connector comprising the same

A card socket for mounting a SIM card and an SD card for a mobile communication terminal includes a housing and a shell. The housing includes a first terminal portion having a first terminal disposed therein, a second terminal portion having a second terminal and a third terminal disposed therein, and a switch portion. The shell includes an upper wall and a sidewall. The shell includes a sensing portion extended from the upper wall to detect insertion of a card tray into the card socket. The sensing portion has a shape which is extended downward from the upper wall in the height direction and then is extended upward in the height direction. The switch portion includes a stopper which is configured to come into contact with an upper surface of the sensing portion and to prevent the sensing portion from being lifted up in the height direction.