Electrical connector with improved high frequency signal transmission environment

An electrical connector, comprising:

• an insulative housing defining a mating cavity with a first mating tongue extending forwardly in a front-to-back direction;
• a plurality of first contacts disposed in the housing and categorized with two pair of differential signal contacts commonly sandwiching a grounding contact therebetween so as to define an inner contact and an outer contact in each pair of differential signal contacts relative to the grounding contact, each of said first contacts defining a front contacting portion for mating with a complementary connector, a rear soldering portion for mounting to a printed circuit board, a position portion and a connecting portion linked to each other and located between the front contacting portion and a rear soldering portion wherein the position portion is linked to the front contacting portion while the connecting portion is linked o the rear soldering portion;
• a first pitch among the contacting portions of all first contacts along a transverse direction perpendicular to said front-to-back direction, keeps same while a second pitch among the soldering portions of all first contacts varies wherein a first distance reflecting said second pitch between the soldering portion of the grounding contact and the neighboring pair of differential signal contacts is larger than a second distance reflecting said second pitch between the soldering portions of the respective neighboring pair of differential signal contacts internally;
• a third pitch among the connecting portions of all first contacts varies compliantly corresponding to the soldering portions wherein a third distance reflecting said third pitch between the connecting portion of the grounding contact and that of the neighboring pair of differential signal contacts is larger than a fourth distance reflecting said third pitch between the connecting portions of the respective neighboring pair of differential signal contacts;
• wherein
• the third distance is larger than the first distance so as to enlarge a fifth distance between the connecting portions of the two corresponding inner contacts of the two pairs of differential signal contacts;
• and
• a second mating tongue formed in the mating cavity spaced from said first mating tongue, a plurality of second contacts disposed in the housing corresponding to the second mating tongue and including a power contact, another grounding contact and another pair of differential signal contacts, a contacting portion of the power contact being cantileveredly received in a first surface of the second mating tongue while a contacting portion of said another grounding contact being centileveredly received in a second surface of the second mating tongue opposite to said first surface.

An electrical connector, comprising:

• an insulative housing defining a first receiving cavity with a first tongue extending thereinto, the first tongue being assisted by a base portion of the insulative housing, the base portion having a bottom wall in a bottom side of the insulative housing, the base portion forming at least one mounting portions protruding downwardly from the bottom wall and forming a mounting surface on the bottom side of the mounting portion;
• a plurality of first contacts being equipped with a first grounding contact and two pairs of differential signal contacts at two sides of said first grounding contact, each first contact having a contacting portion disposed in a same row along a transverse direction of a mating surface of the first tongue, a soldering portion extending downwardly beyond the mounting surface, a horizontal position portion extending rearwardly from the contacting portion and a connecting portion between the position portion and the soldering portion;
• and
• wherein a width of the connecting portion of the first grounding contact is wider than that all of the connecting portions of the other first contacts, and the connecting portion of the first grounding contact further has a strengthen portion at a bottom thereof, which extends beyond the bottom wall and extending to the mounting surface, a width of the strengthen portion is wider than that of the soldering portion of each contact;
• further including a second receiving cavity with a second tongue extending therein from the base portion, the second receiving cavity communicating with the first receiving cavity in a vertical direction, the second tongue being narrower than the first tongue in said transverse direction while being thicker than the first tongue in the vertical direction in a parallel relation, and a plurality of second contacts disposed on the second tongue, said second contacts including a power contact, another pair of differential signal contacts and a second grounding contact, a contacting portion of the power contact being cantileveredly received in a first surface of the second mating tongue while a contacting portion of said second grounding contact being centileveredly received in a second surface of the second mating tongue opposite to said first surface.