Patent ID: 8425248

Claim:
A plug electrical connector to be connected to a receptacle connector in a fitting direction, comprising: a housing having a front face section and a back face section facing oppositely, said back face section including a pressing section; and an elastic arm extending from the front face section in the fitting direction, said elastic arm including a locking section for locking to the receptacle connector so that when an operative force is applied to the elastic arm and the pressing section, the elastic arm elastically deforms toward the back face section to release the locking section from the receptacle connector, wherein said elastic arm has a slanted section in an inclined shape away from the front face section, said slanted section including an operating section for receiving the operative force, said housing further includes a front face protrusion protruding from the front face section in a front-to-back direction that the elastic arm is elastically deformed, said front face protrusion including a protruding top portion situated at a position the same as that of the slanted section or protruding further than the slanted section in the front-to-back direction, and said operating section is arranged to protrude further than the locking section and be situated at a position the same as that of the front face protrusion in the front-to-back direction.