An electrical connector is to be arranged on a circuit board. The electrical connector includes a housing made of an insulating material and a holding section disposed in the housing. The holding section has an open area opening upward. The electrical connector further includes a terminal arranged in the holding section. The terminal includes a connecting section exposed outside the housing for connecting to the circuit board. The electrical connector further includes a sheet member situated over the holding section for covering at least a part of the open area.
