Electrical connector

Patent metadata

Field	Value
Publication number	US-11349259-B2
Application number	US-202017137394-A
Country	US
Kind code	B2
Filing date	Dec 30, 2020
Priority date	Dec 31, 2019
Publication date	May 31, 2022
Grant date	May 31, 2022

Abstract

An electrical connector includes: an insulating housing; and plural terminals held in the insulating housing and arranged in terminal pairs, each of the terminals including: a holding portion held in the insulating housing; a cantilever extending forward from the holding portion, a slot being provided on the cantilever; a contact portion at a front of the cantilever; and a mounting portion for mounting on a circuit board; wherein the slot extends to the contact portion; and in each terminal pair, a first distance from a center of the contact portion of one terminal thereof to a center of the contact portion of the other terminal thereof is less than a second distance from a center of the mounting portion of one terminal thereof to a center of the mounting portion of the other terminal thereof.

First claim

What is claimed is:

1. An electrical connector comprising:
an insulating housing; and
a plurality of terminals held in the insulating housing and arranged in terminal pairs, each of the terminals including:
a holding portion held in the insulating housing;
a cantilever extending forward from the holding portion, a slot being provided on the cantilever;
a contact portion at a front of the cantilever; and
a mounting portion for mounting on a circuit board; wherein

the slot extends to the contact portion; and
in each terminal pair, a first distance from a center of the contact portion of one terminal thereof to a center of the contact portion of the other terminal thereof is less than a second distance from a center of the mounting portion of one terminal thereof to a center of the mounting portion of the other terminal thereof.

2. The electrical connector as claimed in claim 1 , wherein a perimeter of the slot is completely contained in the terminal.

3. The electrical connector as claimed in claim 2 , wherein each of the terminals includes a wide side and a narrow side, the two terminals forming a terminal pair are narrow-side coupled.

4. The electrical connector as claimed in claim 3 , wherein the holding portion includes barbs protruding outward on both sides of the narrow side thereof, and wide barbs protruding outward from the wide side thereof.

5. The electrical connector as claimed in claim 4 , wherein the terminal is directly mounted on the insulating housing.

6. The electrical connector as claimed in claim 3 , further including a respective fixing block integrally formed with a corresponding terminal pair, an outer surface of the fixing block being coated with a wave-absorbing material.

7. The electrical connector as claimed in claim 6 , further including a respective shield for shielding a corresponding terminal pair, and the terminal pair, the shield that shields the terminal pair, and the fixing block are integrally formed.

8. The electrical connector as claimed in claim 3 , wherein the insulating housing includes a bottom wall and a pair of side walls together forming a receiving space, the bottom wall is provided with a supporting wall extending to the receiving space for supporting the terminals.

9. An electrical connector comprising a plurality of terminal modules stacked laterally, each of the terminal modules including:
an insulating body;
a plurality of ground terminals held in the insulating housing; and
a plurality of signal terminals held in the insulating body and arranged in pairs, both sides of each signal terminal pair being disposed ground terminals in a longitudinal direction, wherein
the signal terminals are arranged in a first plane, and the ground terminals are arranged in a second plane different from the first plane, the ground terminals on both sides of the signal terminal pair are mechanically and electrically connected to each other.

10. The electrical connector as claimed in claim 9 , wherein the ground terminal includes a grounding mating end for mating with a mating connector, a grounding mounting end mounted on the circuit board, and a transition portion between the grounding mating end and the grounding mounting end, and the transition portion is provided with a connecting piece that connects the ground terminals on both sides of a signal terminal pair together.

11. The electrical connector as claimed in claim 10 , wherein the connecting piece and the two ground terminals connected with the connecting piece are integrally stamped.

12. The electrical connector as claimed in claim 11 , further comprising a grounding plate arranged on one side of the insulating body, the grounding plate and the connecting piece are arranged on same side of the insulating body, the connecting piece is located in front of the grounding plate along a mating direction, and a lateral distance between the ground plate and the ground terminal is less than 0.2 mm.

13. The electrical connector as claimed in claim 12 , wherein the signal terminals and the insulating body are integrally formed, the ground terminals are separately mounted in the insulating body, and a broad side of each ground terminal is arranged in a plane perpendicular to a broad side of the signal terminal.

14. The electrical connector as claimed in claim 13 , wherein the signal terminals are arranged in a serpentine shape in a direction of the broad side of the ground terminal to equalize lengths of the two signal terminals constituting the signal terminal pair.

15. The electrical connector as claimed in claim 14 , wherein the insulating body includes an air gap for exposing the signal terminal to air, and the outer surface of the insulating body is coated with a layer of absorbing material.

16. An electrical connector comprising a plurality of terminal modules stacked laterally, each of the terminal modules including:
an insulating body;
a plurality of ground terminals held in the insulating body, each of the ground terminal including a wide side and a narrow side, each ground terminal including a grounding mating end for mating with a mating connector, a grounding mounting end, and a transition portion between the grounding mounting end and the grounding mating end; and
a plurality of signal terminals held in the insulating body and arranged in pairs, ground terminals are provided on both sides of each signal terminal pair in the longitudinal direction, each signal terminal including a wide side and a narrow side, each of the signal terminals including a mating end for mating with the mating connector, a mounting end, and a middle portion between the mounting end and the mating end; wherein
the middle portion and the mating ends of the two signal terminals formed the signal terminal pair are narrow-side coupling, the intermediate portion of the signal terminal and the transition portion of the ground terminal shielding it are narrow-side coupling, the mating end of the signal terminal and the grounding mating end of the ground terminal are narrow-side to broad-side coupling.

17. The electrical connector as claimed in claim 16 , wherein the mounting end of the signal terminal and the ground mounting end of the ground terminal are narrow-side coupled.

18. The electrical connector as claimed in claim 16 , wherein the terminal module includes a first terminal module and a second terminal module spaced apart from the first terminal module, adjacent first terminal module and second terminal module are combined with each other.

19. The electrical connector as claimed in claim 18 , further including a housing for installing the plurality of terminal modules, the housing includes a base and an upper and lower walls extending from same side of the base, the lower wall and the upper wall are provided with a plurality of guiding grooves for guiding the terminal modules to be aligned and holes penetrating the upper wall, each terminal module includes a lower edge facing the mounting direction and an upper edge opposite to the lower edge, the upper edge and the lower edge are respectively provided with guiding bosses, and the guiding bosses is provided with protrusions, the guiding bosses of the first terminal module and the second terminal module combined with each other match corresponding guiding grooves on the upper wall and the lower wall, and the protrusions of the first terminal module and the second terminal module combined with each other match the corresponding hole of the upper wall.

Assignees

• Fu Ding Prec Industrial Zhengzhou Co Ltd
• Foxconn Interconnect Technology Ltd

Inventors

• Liu Meng
• Hsiao Shih-Wei
• Hsiao Yu-San
• Chang Yen-Chih
• Chen yu-ke
• Jiang Jhih-Yao

Classifications

• H01R12/716

  Coupling device provided on the PCB · CPC title

• H01R13/6461

  Means for preventing cross-talk · CPC title

• H05K2201/10189

  Non-printed connector · CPC title

• H05K2201/1059

  Connections made by press-fit insertion · CPC title

• H01R13/6473

  Impedance matching · CPC title