Patent attributes
Provided is a plug and a connector assembly, which belong the technical field of connectors. The plug includes an insulating body, a cable and a circuit board. The insulating body includes a body part and a mating part which extends forwardly from the body part. The cable and the circuit board are electrically connected. The circuit board has an inserting part which protrudes forwardly out of the mating part. An outer side of the mating part is provided with a limiting groove and a guiding wall disposed within the limiting groove, and the guiding wall is adjacent to the inserting part and is capable of guiding insertion of the plug into a socket and preventing the plug from shaking in an up-down direction and/or in a left-right direction when the plug is inserted into the socket. The connector assembly includes the plug and the socket.