Abstract: The disclosure relates to a board-to-board connector including a body, multiple terminals and a pair of metal fittings. The body has an accommodating recess. The terminal is disposed on the body and a portion of each of the terminals extends to the accommodating recess. The metal fittings are disposed on the body and beside the accommodating recess. The terminals are located between metal fittings. Each of the metal fittings has at least one limiting portion that extends to the accommodating recess. The limiting portion leans against a corner of the accommodating recess so that the metal fittings and the body generate a two-dimensional limitation. A board-to-board connector assembly is also provided.

Abstract: A plug electrical connector including an insulator, a pair of side-latches, a terminal set, and a shielding shell is provided. The pair of side-latches and a plurality of terminals of the terminal set are arranged along a first axis, and each of them extends along a second axis. The pair of side-latches and the terminal set are respectively disposed in the insulator, and the pair of side-latches are located on two sides of the terminal set. The shielding shell covers the insulator along the second axis. The side-latch includes at least one protrusion exposed out of the insulator along a third axis and structurally leaning against the shielding shell, such that the shielding shell is electrically connected with the pair of side-latches. The first axis, the second axis, and the third axis are orthogonal to each other.

Abstract: An electrical connector assembly including a plug electrical connector and a receptacle electrical connector is provided. The plug electrical connector includes a first structural member and a plurality of first terminals, and the first terminals are disposed in the first structural member. The receptacle electrical connector includes a second structural member and a plurality of second terminals, and the second terminals are disposed in the second structural member. The first structural member is adapted for docking with the second structural member such that the first terminals are correspondingly inserted and electrically connected to the second terminals.

Abstract: A cable connector including a first base, a second base, a plurality of first terminals disposed in the first base with a plurality of first tail segments exposed out of the first base, a plurality of second terminals disposed in the second base with a plurality of second segments exposed out of the second base, and a plurality of cables electrically connecting the second terminals is provided. The first and the second bases are detachably assembled, such that the first tail segments are detachably connected to the second contact segments in structural contact to electrically connect the first terminals and the second terminals. An electrical adaptor is also disclosed.

Abstract: A plug electrical connector including an insulator, a plurality of elastic terminals, at least one shielding spring, and an outer shell is provided. The elastic terminals are disposed in the insulator and arranged along an axial direction. The elastic terminals includes at least one grounding terminal arranged at a first position or a last position of the elastic terminals. The shielding spring is assembled to an exterior surface of the insulator. A portion of the shielding spring on the axial direction is disposed on a deformable path of the grounding terminal. The insulator, the elastic terminals, and the shielding spring are accommodated in the outer shell.

Abstract: An electrical connector assembly including an electrical connecting member, at least one connector, and at least one metal cover is provided. The connector is disposed at and electrically connected to the electrical connecting member. The metal cover is disposed on the electrical connecting member, such that the electrical connecting member is located between the metal cover and the connector, and the connector is covered by the electrical connecting member.

Abstract: A circuit board structure including a dielectric substrate having a plurality of vias, a first conductor layer, a second conductor layer, an insulating layer, and a third conductor layer. The first and the second conductor layers are disposed at opposite surfaces of the dielectric substrate. The first conductor layer forms a plurality of traces including at least one high-speed differential pair and a plurality of ground traces, wherein the vias are located on the ground traces. The electric insulated layer is disposed on the dielectric substrate and covers the first conductor layer, and the third conductor layer is disposed on the insulating layer.

Abstract: An electrical receptacle connector includes a plurality of lower terminals, a lower insulator, a shielding plate, a plurality of upper terminals, an upper insulator and an outer insulator. The lower insulator partially covers the lower terminals and exposes a lower contact area of a lower contact segment of each lower terminal. The shielding plate is assembled onto the lower insulator. The upper insulator partially covers the upper terminals, exposes an upper contact area of an upper contact segment of each upper terminal, and is assembled onto the lower insulator. The outer insulator partially covers the above elements, and exposes the lower contact areas and the upper contact areas.

Abstract: An electrical plug connector includes a plurality of terminals and an insulator, a pair of grounding latches, a shielding spring and a shielding shell. Each of the terminals has a contacting segment and an elastic segment. Each of the contacting segments has a stopping face. The insulator partially covers the terminals and has a plurality of stopping edges. When the electrical plug connector is inserted into an electrical receptacle connector, shape deformation of each of the elastic segments shifts the corresponding contacting segment until the corresponding stopping edge is against the corresponding stopping face, and each contacting segment does not protrude from the insulator. When the electrical plug connector is not inserted into the electrical receptacle connector, shape recovery of each of the elastic segments restores the corresponding contacting segment and the corresponding stopping edge is away from the stopping face.

Abstract: An electrical connector including an insulating body, a plurality of terminals, and at least one grounding member is provided. The terminals and the grounding member are disposed in the insulating body. At least one grounding terminal among the terminals and the grounding member next to the grounding terminal form an integrally-molded structure. A portion of the grounding terminal and a portion of the grounding member are misaligned from each other along an arrangement direction of the terminals.

Abstract: An electrical connector including an insulating body and a plurality of terminals disposed in the insulating body is provided. At least one of the terminals has a first section and a pair of second sections. The second sections structurally extend and branch out from the first section. On a plane where the terminals are located, orthogonal projections of the second sections are misaligned and do not overlap with each other.

Abstract: An optical fiber cassette with corresponding rail structures includes a plurality of rail structures and an optical fiber cassette. Each rail structure includes a front flexible buckling arm and a rear buckling hook. The front flexible buckling arm includes a first suspended arm reflexed from a front portion of the rail structure and a stopping block formed on an end portion of the first suspended arm. The optical fiber cassette is located between the corresponding rail structures. The optical fiber cassette includes a front engaging block corresponding to the front flexible buckling arm and a rear buckling arm corresponding to the rear buckling hook. The rear flexible buckling arm includes a second suspended arm reflexed from a rear portion of the optical fiber cassette and an engaging hook formed on an end portion of the second suspended arm.

Abstract: An electrical receptacle connector includes a shielding shell, an insulating body and a plurality of terminals. The shielding shell has a front opening, a bottom opening and an electrical connecting portion. The electrical connecting portion is located between the front opening and the bottom opening. The insulating body is disposed inside the shielding shell and has a tongue. The tongue is exposed to the front opening. The terminals are disposed at the insulating body. Each of the terminals has a contact segment and a soldering segment. The contact segment is located on the tongue, and the soldering segment is extended from the insulating body, exposed to the bottom opening and arranged in double rows.

Abstract: An electrical receptacle connector includes a shielding shell, an insulation housing and a plurality of terminals. The insulation housing is arranged inside the shielding shell and has a tongue portion extending to the outside of the shielding shell. The terminals are arranged at the insulation housing, and each terminal has a contact segment and a soldering segment. The contact segment is located on the tongue portion and protrudes from therefrom, the soldering segment extends from the insulation housing for a distance. The soldering segments are coplanar.

Abstract: An electrical connector including a base member and a plurality of first terminals disposed in the base member is provided. Each of the first terminals has an contact segment and an tail segment opposite to each other. The contact segments respectively belong to two different parallel planes, and the tail segments are located on a same plane. The first terminals form a plurality of terminal sets in the tail segments, and each of the terminal sets includes a ground terminal, a pair of super speed differential terminals, and a power terminal which are adjacent to each other and are sequentially arranged.

Abstract: A cable connector including a first base, a second base, a plurality of first terminals disposed in the first base with a plurality of first tail segments exposed out of the first base, a plurality of second terminals disposed in the second base with a plurality of second segments exposed out of the second base, and a plurality of cables electrically connecting the second terminals is provided. The first and the second bases are detachably assembled, such that the first tail segments are detachably connected to the second contact segments in structural contact to electrically connect the first terminals and the second terminals. An electrical adaptor is also disclosed.

Abstract: An electrical connector assembly including a plug electrical connector and a receptacle electrical connector is provided. The plug electrical connector includes a first structural member and a plurality of first terminals, and the first terminals are disposed in the first structural member. The receptacle electrical connector includes a second structural member and a plurality of second terminals, and the second terminals are disposed in the second structural member. The first structural member is adapted for docking with the second structural member such that the first terminals are correspondingly inserted and electrically connected to the second terminals.

Abstract: An electrical receptacle connector includes a plurality of first terminals, a plurality of second terminals, a first insulator, a second insulator, a shielding plate and a third insulator. The first insulator includes a first front insulating portion and a first rear insulating portion. The first front insulating portion covers a part of each of the first terminals. The second rear insulating portion covers another part of each of the first terminals. The second insulator partially covers each of the second terminals. The third insulator partially covers each of the first terminals, the second terminals, the first insulator, the second insulator and the shielding plate.

Abstract: A plug electrical connector including an insulator, a plurality of elastic terminals, at least one shielding spring, and an outer shell is provided. The elastic terminals are disposed in the insulator and arranged along an axial direction. The elastic terminals includes at least one grounding terminal arranged at a first position or a last position of the elastic terminals. The shielding spring is assembled to an exterior surface of the insulator. A portion of the shielding spring on the axial direction is disposed on a deformable path of the grounding terminal. The insulator, the elastic terminals, and the shielding spring are accommodated in the outer shell.

Abstract: A plug electrical connector including an insulator, a pair of side-latches, a terminal set, and a shielding shell is provided. The pair of side-latches and a plurality of terminals of the terminal set are arranged along a first axis, and each of them extends along a second axis. The pair of side-latches and the terminal set are respectively disposed in the insulator, and the pair of side-latches are located on two sides of the terminal set. The shielding shell covers the insulator along the second axis. The side-latch includes at least one protrusion exposed out of the insulator along a third axis and structurally leaning against the shielding shell, such that the shielding shell is electrically connected with the pair of side-latches. The first axis, the second axis, and the third axis are orthogonal to each other.