Abstract: An electrical connector assembly includes: a bracket; and at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB, wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.

Abstract: An electrical connector assembly includes: a first frame defining plural accommodating cavities; plural transmission units partially received in the accommodating cavities, respectively, each of the transmission units comprising a card edge connector received in a corresponding accommodating cavity, a motherboard connector, and a circuit board connected with the card edge connector and the motherboard connector; and a second frame attached to the first frame; wherein the second frame presses against and hold the circuit boards in position.

Abstract: An electrical connector includes: a housing; plural terminals held on the housing, the terminals being arranged in the form of terminal pairs for transmitting differential signals; plural first shielding sheets shielding the terminals; and plural second shielding sheets shielding the terminals, the second shielding sheet being arranged to cross the first shielding sheets to form plural shielding cavities separated from each other, the terminal pairs being distributed in corresponding shielding cavities, wherein one first shielding sheet is provided between each terminal pair and an laterally adjacent terminal pair and two second shielding sheets are provided between each terminal pair and a longitudinally adjacent terminal pair.

Abstract: An electrical connector includes: an insulating housing; plural terminals held on the insulating housing, the terminals are arranged in terminal pairs for transmitting differential signals; and plural shielding sheets held on the insulating housing, each of the shielding sheets includes: at least two walls shielding the terminal pair in at least two directions, and plural elastic pieces extending from the at least two walls in order to cooperate with a mating connector; wherein the elastic pieces of each shielding sheet include an inner elastic piece protruding toward an associated terminal pair and an outer elastic piece protruding away from the associated terminals pair.

Abstract: An electrical connector includes: an insulating housing; and plural terminals held in the insulating housing and arranged in terminal pairs, each of the terminals including: a holding portion held in the insulating housing; a cantilever extending forward from the holding portion, a slot being provided on the cantilever; a contact portion at a front of the cantilever; and a mounting portion for mounting on a circuit board; wherein the slot extends to the contact portion; and in each terminal pair, a first distance from a center of the contact portion of one terminal thereof to a center of the contact portion of the other terminal thereof is less than a second distance from a center of the mounting portion of one terminal thereof to a center of the mounting portion of the other terminal thereof.

Abstract: An electrical connector assembly includes: a bracket; and at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB, wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.

Abstract: An electrical connector includes an outer conductor and an inner conductor coaxially arranged with each other with an insulator therebetween. The outer conductor includes a base and a plurality of arc protrusions formed on a rear face of the base and coaxially sharing the same circle center. The protrusions are optimally located around a peripheral region of the circle defined by the cross-section of the cylindrical contour. A metallic box includes a top wall, opposite front and rear walls and opposite two side walls. The front wall forms a plurality of arc holes coaxially arranged with regard to a common center so as to snugly receive the corresponding arc protrusions of the outer conductor, respectively.

Abstract: An electrical connector includes an insulative housing defining a space. A connection module is received within the space. The connection module includes a pair of contact modules commonly sandwiching a grounding module therebetween in the transverse direction. Each contact module includes a plurality of contacts integrally formed within the corresponding insulative wafer via insert-molding. The grounding module includes a grounding plate embedded within an insulative wafer. The grounding plate forms a plurality of fingers respectively electrically and mechanically connecting to the corresponding grounding contacts of the contact modules. The wafer forms a plurality of transverse grooves to receive corresponding grounding bars each having a plurality of inward parts respectively mechanically and electrically connecting to the grounding plate, and a plurality of outward parts respectively mechanically and electrically connecting to the grounding contacts of the contact modules.

Abstract: An electrical connector includes: an insulating housing; and plural terminals held in the insulating housing and arranged in terminal pairs, each of the terminals including: a holding portion held in the insulating housing; a cantilever extending forward from the holding portion, a slot being provided on the cantilever; a contact portion at a front of the cantilever; and a mounting portion for mounting on a circuit board; wherein the slot extends to the contact portion; and in each terminal pair, a first distance from a center of the contact portion of one terminal thereof to a center of the contact portion of the other terminal thereof is less than a second distance from a center of the mounting portion of one terminal thereof to a center of the mounting portion of the other terminal thereof.

Abstract: An electrical connector includes: a housing; plural terminals held on the housing, the terminals being arranged in the form of terminal pairs for transmitting differential signals; plural first shielding sheets shielding the terminals; and plural second shielding sheets shielding the terminals, the second shielding sheet being arranged to cross the first shielding sheets to form plural shielding cavities separated from each other, the terminal pairs being distributed in corresponding shielding cavities, wherein one first shielding sheet is provided between each terminal pair and an laterally adjacent terminal pair and two second shielding sheets are provided between each terminal pair and a longitudinally adjacent terminal pair.

Abstract: An electrical connector includes: an insulating housing; plural terminals held on the insulating housing, the terminals are arranged in terminal pairs for transmitting differential signals; and plural shielding sheets held on the insulating housing, each of the shielding sheets includes: at least two walls shielding the terminal pair in at least two directions, and plural elastic pieces extending from the at least two walls in order to cooperate with a mating connector; wherein the elastic pieces of each shielding sheet include an inner elastic piece protruding toward an associated terminal pair and an outer elastic piece protruding away from the associated terminals pair.

Abstract: An electrical connector includes an insulative housing and a plurality of contacts retained therein. The housing forms a central slot along a longitudinal direction, and includes a base, opposite first wall and second wall extending from the base and located by two sides of the central slot. The contact includes a retaining section retained to the corresponding first or second wall, and a spring arm with a contacting section at a free end, extending from the retaining section and into the central slot wherein a width/thickness ratio in the contacting section is set within a range between 0.8˜1.28.

Abstract: An electrical connector includes an insulative housing defining a space. A connection module is received within the space. The connection module includes a pair of contact modules commonly sandwiching a grounding module therebetween in the transverse direction. Each contact module includes a plurality of contacts integrally formed within the corresponding insulative wafer via insert-molding. The grounding module includes a grounding plate embedded within an insulative wafer. The grounding plate forms a plurality of fingers respectively electrically and mechanically connecting to the corresponding grounding contacts of the contact modules. The wafer forms a plurality of transverse grooves to receive corresponding grounding bars each having a plurality of inward parts respectively mechanically and electrically connecting to the grounding plate, and a plurality of outward parts respectively mechanically and electrically connecting to the grounding contacts of the contact modules.

Abstract: An electrical connector includes a pair of opposite contact modules commonly sandwiching a grounding module therebetween in a transverse direction wherein each contact module includes two sided contacts on two sides of an insulator while the front mating sections and/or the bottom connecting sections of all the contacts are aligned in the same line. The contacts on each side of the insulator include a plurality of differential pair contacts and a plurality of grounding contacts alternately arranged with each other along the side face wherein the lengths of the pair of contacts in each differential pair essentially have the same length for reducing skewing effect by extending the body of the lower contact curvedly while keeping that of the upper contact essentially straight in each differential pair.

Abstract: An electrical assembly includes mated plug connector and receptacle connector. The plug connector includes an insulative main body, a flat flexible cable attached upon the main body, a rotatable presser assembled upon the main body and retaining the flat flexible cable in position, and a metallic unitary latch assembled upon the main body with pair of resilient latches on two opposite lateral sides. Correspondingly, the receptacle connector includes an insulative housing, a plurality of contacts disposed in the housing, a metallic shell enclosing the housing, and a metallic cover attached upon the shell to shield the rear side of the receptacle connector.

Abstract: A hermetic electrical adaptor includes an insulative housing and a plurality of contacts retained therein. The housing includes a base having opposite first and second surface in a vertical direction, and a set of first side walls extending from the first surface to form a first mating cavity. Each contact includes a retention section extending through the base, a first extending section located in the first mating cavity and including a first bending section. The set of first side walls forms, adjacent to the first surface, a first recess communicating with the first mating cavity so as to expose a portion of the first extending section in the first recess. A waterproof glue occupies the first recess and a bottom portion of the first mating cavity so as to surround the exposed portions of the first extending sections of the contact for assuring sealing of the adaptor.

Abstract: An electrical connector includes a pair of opposite contact modules commonly sandwiching a grounding module therebetween in a transverse direction wherein each contact module includes two sided contacts on two sides of an insulator while the front mating sections and/or the bottom connecting sections of all the contacts are aligned in the same line. The contacts on each side of the insulator include a plurality of differential pair contacts and a plurality of grounding contacts alternately arranged with each other along the side face wherein the lengths of the pair of contacts in each differential pair essentially have the same length for reducing skewing effect by extending the body of the lower contact curvedly while keeping that of the upper contact essentially straight in each differential pair.

Abstract: An electrical connector includes an insulative housing and a plurality of contacts retained therein. The housing forms a central slot along a longitudinal direction, and includes a base, opposite first wall and second wall extending from the base and located by two sides of the central slot. The contact includes a retaining section retained to the corresponding first or second wall, and a spring arm with a contacting section at a free end, extending from the retaining section and into the central slot wherein a width/thickness ratio in the contacting section is set within a range between 0.8˜1.28.

Abstract: An electrical connector includes an outer conductor and an inner conductor coaxially arranged with each other with an insulator therebetween. The outer conductor includes a base and a plurality of arc protrusions formed on a rear face of the base and coaxially sharing the same circle center. The protrusions are optimally located around a peripheral region of the circle defined by the cross-section of the cylindrical contour. A metallic box includes a top wall, opposite front and rear walls and opposite two side walls. The front wall forms a plurality of arc holes coaxially arranged with regard to a common center so as to snugly receive the corresponding arc protrusions of the outer conductor, respectively.

Abstract: A hermetic electrical adaptor includes an insulative housing and a plurality of contacts retained therein. The housing includes a base having opposite first and second surface in a vertical direction, and a set of first side walls extending from the first surface to form a first mating cavity. Each contact includes a retention section extending through the base, a first extending section located in the first mating cavity and including a first bending section. The set of first side walls forms, adjacent to the first surface, a first recess communicating with the first mating cavity so as to expose a portion of the first extending section in the first recess. A waterproof glue occupies the first recess and a bottom portion of the first mating cavity so as to surround the exposed portions of the first extending sections of the contact for assuring sealing of the adaptor.