Electrical connector having grounding terminals serving a latching function

1. An electrical connector comprising:

an insulative housing including a base portion and a tongue portion; and

an upper and lower rows of conductive terminals retained to the insulative housing, each row of conductive terminals including a pair of grounding terminals at two ends thereof, each conductive terminal having a contacting section exposed to a surface of the tongue portion, a tail section extending out of the base portion, and a retaining section between the contacting section and the tail section; wherein

each grounding terminal has a latch extending sidewardly to expose to a side of the tongue portion; and

a bottom surface of the contacting section and a bottom surface of the latch of each grounding terminal are coplanar.

2. The electrical connector as claimed in claim 1 , wherein the upper pair of grounding terminals are aligned with the lower pair of grounding terminals, and the latch of each of the upper pair of grounding terminals contacts the latch of a corresponding lower grounding terminal.

3. The electrical connector as claimed in claim 1 , wherein the latch is formed by thinning the conductive terminal.

4. The electrical connector as claimed in claim 1 , wherein the latch extends from the retaining section beyond the contacting section.

5. The electrical connector as claimed in claim 1 , wherein each row of conductive terminals include a pair of power terminals located inwardly adjacent to associated grounding terminals, the power terminal having a widened section embedded in the tongue portion.

6. The electrical connector as claimed in claim 1 , wherein each row of conductive terminals include a pair of power terminals located inwardly adjacent to associated grounding terminals, each upper power terminal being in contact with a corresponding lower power terminal.

7. An electrical connector comprising:

an insulative housing including a base portion and a tongue portion forwardly extending from the base portion along a front-to-back direction, the tongue portion defining opposite mating surfaces in a vertical direction perpendicular to the front-to-back direction; and

upper and lower rows of conductive terminals retained to the insulative housing and spaced from each other in said vertical direction, each row of conductive terminals arranged in a transverse direction perpendicular to both said front-to-back direction and said vertical direction, and including a pair of grounding terminals at two ends thereof in said transverse direction, a pair of power terminals located between said pair of grounding terminals in said transverse direction, and a plurality of signal terminals between the pair of power terminals in said transverse direction, each conductive terminal having a contacting section exposed to the corresponding mating surface of the tongue portion, a tail section extending out of the base portion, and a retaining section between the contacting section and the tail section; wherein

a bottom surface of the contacting section of each grounding terminal is flat; and

the power terminals in the upper row and the corresponding power terminals in lower row are stacked with each other in the vertical direction, the flat bottom surfaces of the contacting sections of the grounding terminals in the upper row and the corresponding grounding terminals in the lower row are stacked with each other in the vertical direction while the signal terminals in the upper row and the corresponding signal terminals in the lower row are spaced from each other in the vertical direction by the housing.

8. The electrical connector as claimed in claim 7 , wherein said one row of the upper row and the lower row of terminals are firstly integrally formed within an inner insulator, and the other row of the upper row and the lower row of terminals are successively positioned upon the inner insulator and molded with an outer insulator to commonly form a contact module.

9. The electrical connector as claimed in claim 8 , wherein said inner insulator includes a retaining structure to hold and separate both the corresponding power terminal and grounding terminal in the upper row.

10. The electrical connector as claimed in claim 9 , wherein said retaining structure is of an I-shaped cross-section in a front view.

11. The electrical connector as claimed in claim 7 , wherein the stacked power terminal in the upper row and that in the lower row have a total thickness similar to that of the tongue portion, and the stacked grounding terminal in the upper row and that in the lower row have a total thickness similar to that of the tongue portion.

12. The electrical connector as claimed in claim 11 , wherein each power terminal further includes a widened portion, and the widened portion of the power terminal in the upper row and that in the lower row have a total thickness less than that of the tongue portion for being not exposed upon the corresponding mating surface of the tongue portion.

13. The electrical connector as claimed in claim 11 , wherein each grounding terminal further includes a lateral projecting latch, and the latch of the grounding terminal in the upper row and that in the lower row have a total thickness less than that of the tongue portion for being not exposed upon the corresponding mating surface of the tongue portion.

14. An electrical connector comprising:

an insulative housing including a base portion and a tongue portion forwardly extending from the base portion along a front-to-back direction, the tongue portion defining opposite mating surfaces in a vertical direction perpendicular to the front-to-back direction; and

upper and lower rows of conductive terminals retained to the insulative housing and spaced from each other in said vertical direction, each row of conductive terminals arranged in a transverse direction perpendicular to both said front-to-back direction and said vertical direction, and including a pair of grounding terminals at two ends thereof in said transverse direction, a pair of power terminals located between said pair of grounding terminals in said transverse direction, and a plurality of signal terminals between the pair of power terminals in said transverse direction, each conductive terminal having a contacting section exposed to the corresponding mating surface of the tongue portion, a tail section extending out of the base portion, and a retaining section between the contacting section and the tail section; wherein

the grounding terminals in the upper row and the corresponding grounding terminals in the lower row are stacked/paired with each other in the vertical direction while the signal terminals in the upper row and the corresponding signal terminals in the lower row are space from each other in the vertical direction by the housing; wherein

in each grounding terminal, a cross-section of the contacting section viewed along the front-to-back direction includes a thick region and a thinned region wherein the thick regions of the paired grounding terminals have a total thickness similar to that of the tongue portion for being exposed upon the corresponding mating surfaces while the thinned regions of the paired grounding terminals have a total thickness less than that of the tongue portion for not being exposed upon the corresponding mating surfaces.

15. The electrical connector as claimed in claim 14 , wherein the power terminals in the upper row and the corresponding power terminals in the lower row are stacked/paired with each other in the vertical direction, in each power terminal a cross-section of the contacting section viewed along the front-to-back direction includes a thick region and a thinned region wherein the thick regions of the paired power terminals have a total thickness similar to that of the tongue portion for being exposed upon the corresponding mating surfaces while the thinned regions of the paired power terminals have a total thickness less than that of the tongue portion for not being exposed upon the corresponding mating surfaces.

16. The electrical connector as claimed in claim 15 , wherein said inner insulator includes a retaining structure to hold and separate both the corresponding power terminal and grounding terminal in the upper row.

17. The electrical connector as claimed in claim 16 , wherein said retaining structure is of an I-shaped cross-section in a front view.

18. The electrical connector as claimed in claim 14 , wherein a bottom surface of the contacting section of each grounding terminal is flat.