Electrical connector with conductive terminals

An electrical connector, comprising:

• an insulator body comprising a mating cavity, the mating cavity formed by a top plate, a bottom plate and two lateral plates, the top plate having a first top surface and a first bottom surface opposite the first top surface, the bottom plate having a second top surface and a second bottom surface opposite the second top surface, the first bottom surface of the top plate and the second top surface of the bottom plate facing each other, the first bottom surface of the top plate and the second top surface of the bottom plate having a plurality of terminal trenches respectively;
• and
• a plurality of conductive terminals formed by a metal sheet with a thickness, the conductive terminals respectively arranged in the terminal trenches of the insulator body, each of the conductive terminals having a width in an arrangement direction of the terminal trenches, each of the conductive terminals having a contact portion, a welding portion and a main body portion connecting the contact portion and the welding portion, and each of the welding portions extends out of the insulator body, wherein a thickness of each of the contact portions perpendicular to the arrangement direction of the terminal trenches is less than a thickness of each of the main body portions perpendicular to the arrangement direction of the terminal trenches, a width of each of the contact portions parallel to the arrangement direction of the terminal trenches is less than a width of each of the main body portions parallel to the arrangement direction of the terminal trenches, a first portion of the main body portions of the conductive terminals are respectively enclosed by two fixing pieces, the fixing pieces have a plurality of through holes exposing the first portion of the main body portions of the conductive terminals, and a width of the first portion of each of the main body portions in the fixing pieces is less than a width of a second portion of each of the main body portions outside the fixing pieces.