Electrical connector

1. An electrical connector, comprising:

an insulative housing;

a plurality of first terminals disposed in the insulative housing, each of the first terminals comprising a first contact portion, a first solder portion, and a first connection portion between the first contact portion and the first solder portion; and

a plurality of second terminals disposed in the insulative housing, each of the second terminals comprising a second contact portion, a second solder portion, and a second connection portion between the second contact portion and the second solder portion,

wherein the first solder portions of the first terminals and the second solder portions of the second terminals are arranged in two rows in a lateral direction, respectively; and

wherein the row of the first solder portions is separated from the row of the second solder portions by a predetermined distance along a longitudinal direction:

wherein a part of the first connection portion of one of the plurality of first terminals is laterally offset from a part of the second connection portion of one of the plurality of second terminals.

2. The electrical connector according to claim 1 , wherein the predetermined distance is equal to about 1.5 mm.

3. The electrical connector according to claim 1 , wherein the plurality of first terminals comprises a pair of first differential signal terminals, a first ground terminal, and a power terminal; and

wherein the plurality of second terminals comprises two pairs of second differential signal terminals, and a second ground terminal.

4. The electrical connector according to claim 3 , wherein the plurality of first terminals are arranged in a row, and the pair of first differential signal terminals is located between the first ground terminal and the power terminal;

wherein the plurality of second terminals are arranged in the other row, and the second ground terminal is located between the two pairs of second differential signal terminals.

5. The electrical connector according to claim 4 , wherein a part of the first connection portion of the first ground terminal is laterally offset from a part of the second connection portion of one of the terminals at an outer side of one pair of second differential signal terminals.

6. The electrical connector according to claim 5 , wherein a part of the first connection portion of the power terminal is laterally offset from a part of the second connection portion of one of the terminals at an outer side of the other pair of second differential signal terminals.

7. The electrical connector according to claim 6 , wherein a part of the second connection portion of one of the terminals at an inner side of the one pair of second differential signal terminals is laterally offset from one terminal of the pair of first differential signal terminals; and

wherein a part of the second connection portion of the other terminal at an inner side of the other pair of second differential signal terminals is laterally offset from the other terminal of the pair of first differential signal terminals.

8. The electrical connector according to claim 6 , wherein the first connection portion of the first ground terminal crosses the second connection portion of one terminal at the outer side of the one pair of second differential signal terminals; and

wherein the first connection portion of the power terminal crosses the second connection portion of one terminal at the outer side of the other pair of second differential signal terminals.

9. The electrical connector according to claim 8 , wherein the first solder portion of the first ground terminal is located at an outermost side in the lateral direction, and the first solder portion of the power terminal is located at the other outermost side in the lateral direction; and

wherein the second solder portion of the second ground terminal is located between the first solder portions of the pair of first differential signal terminals in the lateral direction.

10. The electrical connector according to claim 9 , wherein the second solder portions of the one pair of second differential signal terminals are located between the first solder portion of the first ground terminal and the first solder portion of the first differential signal terminal in the lateral direction; and

wherein the second solder portions of the other pair of second differential signal terminals are located between the first solder portion of the power terminal and the first solder portion of the other first differential signal terminal in the lateral direction.

11. The electrical connector according to claim 10 , wherein the second ground terminal and the pair of first differential signal terminals each has a substantively symmetrical shape.

12. The electrical connector according to claim 11 , wherein front ends of the row of the first solder portions are separated from front ends of the row of the second solder portions by a distance of 1.5 mm in the longitudinal direction.

13. The electrical connector according to claim 12 , wherein a center of each of the first solder portions of the first differential signal terminals is separated from a center of the second solder portion of the second ground terminal by a distance of about 1.0 mm in the lateral direction (X).

14. The electrical connector according to claim 13 , wherein a center of the second solder portion of one terminal at the inner side of the one pair of second differential signal terminals is separated from a center of the first solder portion of the one first differential signal terminal by a distance of about 1.4 mm in the lateral direction; and

wherein a center of the second solder portion of one terminal at inner side of the other pair of second differential signal terminals is separated from a center of the second solder portion of the other first differential signal terminal by a distance of about 1.4 mm in the lateral direction.

15. The electrical connector according to claim 14 , wherein a center of the second solder portion of one terminal at the outer side of the one pair of second differential signal terminals is separated from the center of the second solder portion of one terminal at the inner side of the one pair of second differential signal terminals by a distance of about 1.2 mm in the lateral direction; and

wherein a center of the second solder portion of one terminal at the outer side of the other pair of second differential signal terminals is separated from the center of the second solder portion of one terminal at the inner side of the other pair of second differential signal terminals by a distance of about 1.2 mm in the lateral direction.

16. The electrical connector according to claim 15 , wherein a center of the first solder portion of the first ground terminal is separated from the center of the second solder portion of one terminal at the outer side of the one pair of second differential signal terminals by a distance of about 1.0 mm in the lateral direction; and

wherein a center of the first solder portion of the power terminal is separated from the center of the second solder portion of one terminal at the outer side of the other pair of second differential signal terminals by a distance of about 1.0 mm in the lateral direction.

17. An electrical connector, comprising:

an insulative housing;

a plurality of first terminals disposed in the insulative housing, each of the first terminals comprising a first contact portion, a first solder portion, and a first connection portion between the first contact portion and the first solder portion, the plurality of first terminals comprises a pair of first differential signal terminals, a first ground terminal, and a power terminal; and

a plurality of second terminals disposed in the insulative housing, each of the second terminals comprising a second contact portion, a second solder portion, and a second connection portion between the second contact portion and the second solder portion, the plurality of second terminals comprises two pairs of second differential signal terminals, and a second ground terminal;

wherein the first solder portions of the first terminals and the second solder portions of the second terminals are arranged in two rows in a lateral direction, respectively; and

wherein the row of the first solder portions is separated from the row of the second solder portions by a predetermined distance along a longitudinal direction, the predetermined distance is equal to about 1.5 mm;

wherein the plurality of first terminals are arranged in a row, and the pair of first differential signal terminals is located between the first ground terminal and the power terminal;

wherein the plurality of second terminals are arranged in the other row, and the second ground terminal is located between the two pairs of second differential signal terminals;

wherein a part of the first connection portion of the first ground terminal is laterally offset from a part of the second connection portion of one of the terminals at an outer side of one pair of second differential signal terminals.

18. The electrical connector according to claim 17 , wherein a part of the first connection portion of the power terminal is laterally offset from a part of the second connection portion of one of the terminals at an outer side of the other pair of second differential signal terminals.

19. The electrical connector according to claim 18 , wherein a part of the second connection portion of one of the terminals at an inner side of the one pair of second differential signal terminals is laterally offset from one terminal of the pair of first differential signal terminals; and

wherein a part of the second connection portion of the other terminal at an inner side of the other pair of second differential signal terminals is laterally offset from the other terminal of the pair of first differential signal terminals.

20. The electrical connector according to claim 18 , wherein the first connection portion of the first ground terminal crosses the second connection portion of one terminal at the outer side of the one pair of second differential signal terminals; and

wherein the first connection portion of the power terminal crosses the second connection portion of one terminal at the outer side of the other pair of second differential signal terminals.

21. The electrical connector according to claim 20 , wherein the first solder portion of the first ground terminal is located at an outermost side in the lateral direction, and the first solder portion of the power terminal is located at the other outermost side in the lateral direction; and

wherein the second solder portion of the second ground terminal is located between the first solder portions of the pair of first differential signal terminals in the lateral direction.

22. The electrical connector according to claim 21 , wherein the second solder portions of the one pair of second differential signal terminals are located between the first solder portion of the first ground terminal and the first solder portion of the first differential signal terminal in the lateral direction; and

wherein the second solder portions of the other pair of second differential signal terminals are located between the first solder portion of the power terminal and the first solder portion of the other first differential signal terminal in the lateral direction.

23. The electrical connector according to claim 22 , wherein the second ground terminal and the pair of first differential signal terminals each has a substantively symmetrical shape.

24. The electrical connector according to claim 23 , wherein front ends of the row of the first solder portions are separated from front ends of the row of the second solder portions by a distance of 1.5 mm in the longitudinal direction.

25. The electrical connector according to claim 24 , wherein a center of each of the first solder portions of the first differential signal terminals is separated from a center of the second solder portion of the second ground terminal by a distance of about 1.0 mm in the lateral direction (X).

26. The electrical connector according to claim 25 , wherein a center of the second solder portion of one terminal at the inner side of the one pair of second differential signal terminals is separated from a center of the first solder portion of the one first differential signal terminal by a distance of about 1.4 mm in the lateral direction; and

wherein a center of the second solder portion of one terminal at inner side of the other pair of second differential signal terminals is separated from a center of the second solder portion of the other first differential signal terminal by a distance of about 1.4 mm in the lateral direction.

27. The electrical connector according to claim 26 , wherein a center of the second solder portion of one terminal at the outer side of the one pair of second differential signal terminals is separated from the center of the second solder portion of one terminal at the inner side of the one pair of second differential signal terminals by a distance of about 1.2 mm in the lateral direction; and

wherein a center of the second solder portion of one terminal at the outer side of the other pair of second differential signal terminals is separated from the center of the second solder portion of one terminal at the inner side of the other pair of second differential signal terminals by a distance of about 1.2 mm in the lateral direction.

28. The electrical connector according to claim 27 , wherein a center of the first solder portion of the first ground terminal is separated from the center of the second solder portion of one terminal at the outer side of the one pair of second differential signal terminals by a distance of about 1.0 mm in the lateral direction; and

wherein a center of the first solder portion of the power terminal is separated from the center of the second solder portion of one terminal at the outer side of the other pair of second differential signal terminals by a distance of about 1.0 mm in the lateral direction.