Electrical connector and conductive terminal thereof

An electrical connector, comprising:

• an insulating housing, a middle of a front surface of the insulating housing being recessed rearward to form an insertion space, the insulating housing opening a plurality of first terminal grooves penetrating through a top of the insulating housing and arranged transversely, the insulating housing defining a plurality of upper adjusting slots penetrating through a rear surface of the insulating housing and located behind the plurality of the first terminal grooves, each of the plurality of the upper adjusting slots being corresponding to one of the plurality of the first terminal grooves, a bottom of each of the plurality of the upper adjusting slots extending downward to form a first fixing slot, the plurality of the first terminal grooves being communicated between the insertion space and an outside, a lower portion of the rear surface of the insulating housing protruding rearward to form a rear portion, several portions of a rear surface of the rear portion being recessed frontward to form a plurality of first adjusting channels arranged transversely;
• and
• a plurality of first terminals disposed in the plurality of the first terminal grooves and arranged transversely, each of the plurality of the first terminals having a first fastening portion, and a first contact portion connected with a front end of the first fastening portion, a bottom of the first fastening portion protruding downward to form a first fixing portion, a rear end of the first fastening portion extending downward to form an adjusting portion, the adjusting portion opening an opening, a tail end of the adjusting portion extending rearward to form a first soldering portion, the first fastening portions of the plurality of the first terminals being assembled in the plurality of the upper adjusting slots, the first fixing portion of each of the plurality of the first terminals being fixed in the first fixing slot, the first contact portions of the plurality of the first terminals being assembled in the plurality of the first terminal grooves and projecting downward into the insertion space, bottom ends of the adjusting portions of the plurality of the first terminals being assembled in the plurality of the first adjusting channels, the first soldering portions of the plurality of the first terminals being exposed downward beyond a rear end of a bottom surface of the rear portion;
• wherein the adjusting portion has a first bar extended downward from the rear end of the first fastening portion, an inclined portion slantwise extended rearward and downward from a rear end of the first bar, and a second bar extended downward from a tail end of the inclined portion, the inclined portion opens the opening.