Electrical connector with improved electrical performance

An electrical connector, comprising:

• an insulating housing defining a mating slot;
• a first terminal module comprising a first insulating block and a plurality of first terminals, the plurality of first terminals comprise a plurality of first ground terminals and a plurality of first signal terminals, each first terminal being provided with a first elastic arm, and the first elastic arm being provided with a first contact portion protruding into the mating slot;
• a second terminal module comprising a second insulating block and a plurality of second terminals, the plurality of second terminals comprise a plurality of second ground terminals and a plurality of second signal terminals, each second terminal being provided with a second elastic arm, and the second elastic arm being provided with a second contact portion protruding into the mating slot;
• a third terminal module comprising a third insulating block and a plurality of third terminals, the plurality of third terminals comprise a plurality of third ground terminals and a plurality of third signal terminals, each third terminal being provided with a third elastic arm, and the third elastic arm being provided with a third contact portion protruding into the mating slot;
• a fourth terminal module comprising a fourth insulating block and a plurality of fourth terminals, the plurality of fourth terminals comprise a plurality of fourth ground terminals and a plurality of fourth signal terminals, each fourth terminal being provided with a fourth elastic arm, and the fourth elastic arm being provided with a fourth contact portion protruding into the mating slot;
• wherein the first terminal module, the second terminal module, the third terminal module and the fourth terminal module are assembled to the insulating housing, the first terminal module is disposed opposite to the fourth terminal module, and the second terminal module is disposed opposite to the third terminal module;
• wherein the first contact portion and the fourth contact portion are arranged face to face in a direction perpendicular to a mating direction, and the second contact portion and the third contact portion are arranged face to face in the direction;
• wherein the electrical connector further comprises a first lossy member assembled to the first insulating block, a second lossy member assembled to the second insulating block, a third lossy member assembled to the thrid insulating block, and a fourth lossy member assembled to the fourth insulating block;
• wherein the first lossy member is disposed adjacent to the first ground terminals but do not directly contact the first ground terminals, the second lossy member is disposed adjacent to the second ground terminals but do not directly contact the second ground terminals, the third lossy member is disposed adjacent to the third ground terminals but do not directly contact the third ground terminals, and the fourth lossy member is disposed adjacent to the fourth ground terminals but do not directly contact the fourth ground terminals;
• wherein the electrical connector further comprises a first non-conductive layer, a second non-conductive layer, a third non-conductive layer and a fourth non-conductive layer;
• the first non-conductive layer is sandwiched between the first ground terminals and the first lossy member;
• the second non-conductive layer is sandwiched between the second ground terminals and the second lossy member;
• the third non-conductive layer is sandwiched between the third ground terminals and the third lossy member;
• and the fourth non-conductive layer is sandwiched between the fourth ground terminals and the fourth lossy member.

An electrical connector, comprising:

• an insulating housing defining a mating slot configured to receive a mating connector and mounting space in communication with the mating slot;
• a first terminal module comprising a first insulating block and a plurality of first terminals secured to the first insulating block, the plurality of first terminals comprising a plurality of first ground terminals and a plurality of first signal terminals, the first ground terminals and the first signal terminals being set adjacently to each other along a first direction;
• the first insulating block defining a plurality of first slots arranged at intervals along the first direction;
• each first terminal comprising a first elastic arm protruding into the mating slot;
• a second terminal module comprising a second insulating block and a plurality of second terminals secured to the second insulating block, the plurality of second terminals comprising a plurality of second ground terminals and a plurality of second signal terminals, the second ground terminals and the second signal terminals being set adjacently to each other along the first direction;
• the second insulating block defining a plurality of second slots arranged at intervals along the first direction;
• each second terminal comprising a second elastic arm protruding into the mating slot;
• the first elastic arms and the second elastic arms being disposed in a face-to-face manner;
• and
• a lossy member sandwiched between the first insulating block and the second insulating block;
• the lossy member comprising a plurality of first ribs inserted into the first slots and a plurality of second ribs inserted into the second slots;
• the first insulating block, the second insulating block and the lossy member are received in the mounting space of the insulating housing;
• wherein the first ground terminals and the second ground terminals do not directly contact the lossy member;
• wherein the first insulating block comprises a plurality of first protrusion posts extending beyond a rear surface of the first insulating block;
• the second insulating block comprises a plurality of second protrusion posts extending beyond a rear surface of the second insulating block;
• the first protrusion posts and the second protrusion posts are disposed alternately along the first direction;
• and
• wherein the lossy member defines a plurality of holes to receive the first protrusion posts and the second protrusion posts.