The described connector assemblies are useful in wire-to-board systems. Some assemblies include a free-end connector that is attached to a twin-ax cable, and a fixed-end connector that is attached to a board. Embodiments include a free-end terminal set including a first signal terminal, a second signal terminal and a ground plate. The ground plate has a horseshoe shape and provides a ground terminal on opposing sides of the first and second signal terminals. Additionally, embodiments include a locking system between the free-end connector and fixed-end connector, and lead designs for the fixed-end connector utilizing a similar horseshoe shape as that used for the ground plate of the free-end connector.

An electrical connector includes an insulating body, a first terminal group having a signal terminal pair and a ground terminal arranged on one side of the signal terminal pair, each signal terminal having a tail portion, a contact portion, and a body portion, the body portion having a covering portion and a free portion exposed to air, wherein there is a first center distance between the contact portions of the signal terminal pair, there is a second center distance between the free portions, and there is a third center distance between the covering parts, and a second terminal group forming a first mating port with the first terminal group, wherein the second center distance is smaller than the first center distance, and the third center distance is greater than the second center distance.

An electrical connector includes an insulating body, a first terminal group having a signal terminal pair and a ground terminal arranged on one side of the signal terminal pair, each signal terminal having a tail portion, a contact portion, and a body portion, the body portion having a covering portion and a free portion exposed to air, wherein there is a first center distance between the contact portions of the signal terminal pair, there is a second center distance between the free portions, and there is a third center distance between the covering parts, and a second terminal group forming a first mating port with the first terminal group, wherein the second center distance is smaller than the first center distance, and the third center distance is greater than the second center distance.

Provided is a connector having the smaller number of constituting components while ensuring strength and blocking property of a frame. The connector of the invention includes a frame and is capable of allowing a counter connector to be fitted in an inside of the frame, and the connector includes a lateral wall provided to the frame and surrounding the counter connector which is in a state of being fitted with the connector, a first terminal and a second terminal separately disposed at different positions in the inside of the frame, and a blocking portion disposed between the first terminal and the second terminal in the inside of the frame. The lateral wall is seamlessly continuous over an entire circumference of the frame, and the lateral wall and the blocking portion are formed of a single member and are integrated.

The present application discloses a shielding plate, a terminal module, a high-speed backplane connector, and a connector system. The shielding plate is provided with an ingenious grounding structure, such as alternately arranged concave strips and convex strips, and has a good grounding function. The high-speed backplane connector provided in the present application includes a plurality of terminal modules and an insulative shell for receiving the terminal modules. Each terminal module includes a plurality of pairs of differential signal terminals arranged in a terminal row, a plurality of conductive spacers arranged in the terminal row at intervals, and a shielding plate; the shielding plate is fixed on one side of a fixing frame and connected with the conductive spacers; the pair of differential signal terminals can be shielded by arranging the concave strips and the convex strips, effectively reducing interference and crosstalk between the adjacent pairs of differential signal terminals.

The present application discloses a shielding plate, a terminal module, a high-speed backplane connector, and a connector system. The shielding plate is provided with an ingenious grounding structure, such as alternately arranged concave strips and convex strips, and has a good grounding function. The high-speed backplane connector provided in the present application includes a plurality of terminal modules and an insulative shell for receiving the terminal modules. Each terminal module includes a plurality of pairs of differential signal terminals arranged in a terminal row, a plurality of conductive spacers arranged in the terminal row at intervals, and a shielding plate; the shielding plate is fixed on one side of a fixing frame and connected with the conductive spacers; the pair of differential signal terminals can be shielded by arranging the concave strips and the convex strips, effectively reducing interference and crosstalk between the adjacent pairs of differential signal terminals.

The connector terminal includes an insulation body and multiple terminal bodies. Each of the multiple terminal bodies includes: a base part, an elastic arm and a welding part. The base part includes a first base part and a second base part, the first base part and the second base part form a bending structure, a first end of the first base part is embedded in the insulation body, a second end of the first base part is connected to a first end of the second base part, and a second end of the second base part is embedded in the insulation body. The elastic arm is connected to the first end of the first base part and extends out of a first end of the insulation body. The welding part is connected to the second end of the second base part and extends out of a second end of the insulation body.

An electrical connector includes a plurality of signal terminal groups. Each signal terminal group includes a plurality of signal terminals having a first contact portion and a second contact portion, wherein the first contact portion has relatively more elasticity and the second contact portion has relatively less elasticity comparatively. The first contact portion and the second contact portion of each signal terminal are staggered with respect to each other. The connector includes a plurality of grounding members corresponding to the terminal groups, each having two side walls and a rear wall integrally constructed to surround a corresponding signal terminal group from at least three sides, two ground terminals integrally constructed positioned at a left side and a right side, third contact portions having relatively more elasticity, and fourth contact portions having relatively less elasticity, the third contact portion and the fourth contact portion are staggered with respect to each other.

An electrical connector includes a plurality of signal terminal groups. Each signal terminal group includes a plurality of signal terminals having a first contact portion and a second contact portion, wherein the first contact portion has relatively more elasticity and the second contact portion has relatively less elasticity comparatively. The first contact portion and the second contact portion of each signal terminal are staggered with respect to each other. The connector includes a plurality of grounding members corresponding to the terminal groups, each having two side walls and a rear wall integrally constructed to surround a corresponding signal terminal group from at least three sides, two ground terminals integrally constructed positioned at a left side and a right side, third contact portions having relatively more elasticity, and fourth contact portions having relatively less elasticity, the third contact portion and the fourth contact portion are staggered with respect to each other.

A connector includes a connector body and a terminal attached to the connector body, the connector being fitted with a counterpart connector, the connector body includes a recess being fitted with a counterpart connector body of the counterpart connector and side walls extending in a longitudinal direction of the connector body, the side walls defining both sides of the recess. The terminal includes a plurality of terminals disposed along each of the side walls, and the plurality of terminals disposed along each of the side walls include one high frequency terminal and ground terminals disposed on both sides of the high frequency terminal. In plan view, a straight line connecting high frequency terminals disposed along both the side walls is inclined with respect to a center line of the connector body in a width direction, and a shield plate of the counterpart connector is extends along the center line.