An electrical connector, configured for a mating component to be backwardly inserted thereto, the electrical connector comprising:
- an insulating block, having a front surface, wherein a plurality of first protruding blocks and a plurality of second protruding blocks protrude and extend forward from the front surface, one of the first protruding blocks and one of the second protruding blocks are provided adjacent to each other, and a slot is formed between the one of the first protruding blocks and the one of the second protruding blocks adjacent to each other;
- a plurality of differential signal terminals, embedded in the insulating block and forming a plurality of pairs of the differential signal terminals, wherein each of the differential signal terminals has a first retaining portion embedded in a corresponding first protruding block of the first protruding blocks, and a first elastic arm formed by extending forward from the first retaining portion and protruding forward out of the corresponding first protruding block, the first elastic arm is configured to be in electrical contact with the mating component, and each of a left side and a right side of each of the pairs of the differential signal terminals has a first side surface;
- and
- a plurality of ground terminals, embedded in the insulating block, wherein each of the ground terminals is provided between two adjacent pairs of the differential signal terminals, each of the ground terminals has a second retaining portion embedded in a corresponding second protruding block of the second protruding blocks, and a second elastic arm formed by extending forward from the second retaining portion and protruding forward out of the corresponding second protruding block, the second elastic arm is configured to be in electrical contact with the mating component, each of a left side and a right side of each of the ground terminals has a second side surface, and each of the second side surfaces and a corresponding first side surface adjacent thereto are exposed in the slot, such that a medium between the first side surface and the second side surface is air,
- wherein the insulating block further has a rear surface, the rear surface and the front surface are provided opposite to each other, the rear surface is backward protruding provided with a plurality of third protruding blocks and a plurality of fourth protruding blocks, the third protruding blocks and the first protruding blocks are one-to-one correspondingly provided in a front-rear direction, the fourth protruding blocks and the second protruding blocks are one-to-one correspondingly provided in the front-rear direction, and a through slot is formed between one of the third protruding blocks and one of the fourth protruding block adjacent to each other;
- and
- wherein each of the differential signal terminals further has a third elastic arm extending backward beyond a corresponding third protruding block of the third protruding blocks and configured to be electrically connected to a circuit board, each of the ground terminals has a fourth elastic arm extending backward beyond a corresponding fourth protruding block of the fourth protruding blocks and configured to be electrically connected the circuit board, and the through slot is located between the third elastic arm and the fourth elastic arm.