Board-to-board connector having a sidewall portion with a sloped guide surface with cut out

摘要

A board-to-board connector comprising a first connector and a second connector is disclosed. The first connector has a first housing. Each first fitting guide portion of the first housing is provided with a protrusive sidewall portion configured to define both sides of each concave guide portion of the first housing to be connected to each side wall portion of the first housing and protrude out from a fitting face of each side wall portion of the first housing. The protrusive sidewall portion is provided with a sloped guide surface formed at an entrance end of each concave guide portion of the first housing to be inclined with respect to a longitudinal direction of the first housing.