A PCB direct connector, which is directly mounted to a circuit board, the PCB direct connector comprising: terminal members configured to have a pair of contact portions elastically contacting an upper surface and a lower surface of the circuit board and be electrically connected to conductive patterns disposed on at least one of the upper surface and the lower surface; and a connector housing configured to accommodate the terminal members therein and allow a connector connection portion formed at one side of an end of the circuit board to be fitted into and released from the connector housing, wherein the connector housing includes an upper plate and a lower plate, and wherein front portions of the upper plate and the lower plate are spaced apart from each other as much as at least a thickness of the circuit board so that the connector connection portion is inserted therebetween to a predetermined depth, and rear portions of the upper plate and the lower plate are connected to each other to form a single body, wherein each of the terminal members includes a terminal body coupled to a signal transmission cable, and wherein the pair of contact portions are spaced apart from each other by a predetermined gap and respectively extend from the terminal body to be disposed at a front portion of the connector housing wherein the rear portions of the upper plate and the lower plate have insert holes into which the terminal members are individually inserted to be disposed at a rear portion of the connector housing, the terminal body includes: a horizontal body formed to extend toward a portion where the signal transmission cable is connected; and a pair of vertical bodies formed to extend in the same direction orthogonal to the horizontal body with a predetermined gap therebetween, and the PCB direct connector further comprises a retainer vertically inserted into the rear portion of the connector housing through a slot characterized in that the slot is formed in the lower plate of the connector housing to be located in a space formed between the pair of vertical bodies. terminal members configured to have a pair of contact portions elastically contacting an upper surface and a lower surface of the circuit board and be electrically connected to conductive patterns disposed on at least one of the upper surface and the lower surface; and a connector housing configured to accommodate the terminal members therein and allow a connector connection portion formed at one side of an end of the circuit board to be fitted into and released from the connector housing, wherein the connector housing includes an upper plate and a lower plate, and wherein front portions of the upper plate and the lower plate are spaced apart from each other as much as at least a thickness of the circuit board so that the connector connection portion is inserted therebetween to a predetermined depth, and rear portions of the upper plate and the lower plate are connected to each other to form a single body, wherein each of the terminal members includes a terminal body coupled to a signal transmission cable, and wherein the pair of contact portions are spaced apart from each other by a predetermined gap and respectively extend from the terminal body to be disposed at a front portion of the connector housing wherein the rear portions of the upper plate and the lower plate have insert holes into which the terminal members are individually inserted to be disposed at a rear portion of the connector housing, the terminal body includes: a horizontal body formed to extend toward a portion where the signal transmission cable is connected; and a pair of vertical bodies formed to extend in the same direction orthogonal to the horizontal body with a predetermined gap therebetween, and the PCB direct connector further comprises a retainer vertically inserted into the rear portion of the connector housing through a slot a horizontal body formed to extend toward a portion where the signal transmission cable is connected; and a pair of vertical bodies formed to extend in the same direction orthogonal to the horizontal body with a predetermined gap therebetween, and the PCB direct connector further comprises a retainer vertically inserted into the rear portion of the connector housing through a slot