First electrical connector, second electrical connector and electrical connector assembly

An electrical connector assembly, comprising a first electrical connector and a second electrical connector,

• the first electrical connector, comprising:
• a first connector housing comprising a main body, a locking mechanism which extend forwardly from an upper surface of the main body and a plurality of mating posts which extend forwardly a front surface of the main body, each mating post being interiorly formed with a first terminal receiving cavity which penetrates in a front-rear direction, a first prevent mis-insertion protruding rib protruding from a middle portion of at least one of the mating posts, and a second prevent mis-insertion protruding rib protruding from a side edge of at least one of the mating posts;
• and
• a plurality of first conductive terminals which are correspondingly inserted into the mating posts, each first conductive terminal comprising a first mating portion which is received in the corresponding first terminal receiving cavity and a first tail portion which is positioned behind the first mating portion,
• the second electrical connector, comprising:
• a second connector housing having a plurality of second terminal receiving cavities which are recessed from a front surface of the second connector housing, a locking protrusion which protrudes from an upper surface of the second connector housing, and an elastic snapping claw which extends rearwardly from each of two side surfaces of the second connector housing and two stopping portions which are respectively positioned at an upper side and a lower side of each corresponding snapping claw, a first prevent mis-insertion notch being recessed from a middle portion of at least one of the second terminal receiving cavities, and a second prevent mis-insertion notch being recessed from a side of at least one of second terminal receiving cavities;
• and
• a plurality of second conductive terminals, each second conductive terminal comprising a second mating portion which is inserted into the corresponding second terminal receiving cavity and a second tail portion which is positioned behind the second mating portion,
• the mating post of the first connector housing inserting into the corresponding second terminal receiving cavity of the second connector housing so as to make the first mating portion of the first conductive terminal and the second mating portion of the corresponding second conductive terminal electrically connected, the first prevent mis-insertion protruding rib inserting into the corresponding first prevent mis-insertion notch, the second prevent mis-insertion protruding rib inserting into the corresponding second prevent mis-insertion notch, the locking mechanism and the locking protrusion being locked with each other.

An electrical connector, comprising:

• a connector housing, the connector housing being provided with a plurality of terminal receiving cavities which each penetrate in a front-rear direction and a plurality of guide protruding ribs which respectively protrude into the plurality of terminal receiving cavities, the plurality of terminal receiving cavities being arranged as an upper row and a lower row, two latches being provided in a left side and a right side of the connector housing respectively;
• a plurality of conductive terminals which are correspondingly mounted to the plurality of terminal receiving cavities;
• and
• a terminal position assurance component comprising:
• a base portion, a rear surface of the base portion being provided with a recessed groove which extends along a transverse direction;
• a plurality of terminal abutting portions which respectively extend forwardly from an upper side and a lower side of the base portion and correspondingly enter into the plurality of terminal receiving cavities, the plurality of terminal abutting portions forwardly abutting against the plurality of conductive terminals respectively to prevent the plurality of conductive terminals from withdrawing rearwardly from the connector housing, a front end of each terminal abutting portion being provided with a guiding notch which cooperates with the corresponding guide protruding rib;
• and
• two locking portions which respectively extend forwardly from a left side and a right side of the base portion and respectively lock with the two latches.