Abstract: A stacking connector including: a first port for receiving an RJ-45 plug along a front-to-back direction; a second port below the first port for receiving a USB Type-A plug, the second port and the first port being formed on a same insulative housing; and a receiving room formed below the second port for receiving an external USB Type-C connector, the receiving room has an opening running through a bottom surface of the insulative housing

Abstract: An electrical connector includes an insulative housing, a lower mating contact module, and an upper mating contact module. The insulative housing has a lower receiving cavity, an upper receiving cavity, and an intermediate wall located therebetween. The lower mating contact module has a lower insulating carrier and a set of lower mating contacts secured to the lower insulating carrier. The upper mating contact module has an upper insulating carrier and a set of upper mating contacts secured to the upper insulating carrier. The intermediate wall defines a lower passageway extending along a front-to-back direction and an upper passageway disposed above the lower passageway. The lower insulating carrier has a lower fixing arm inserted and fixed in the lower passageway, and the upper insulating carrier has an upper fixing arm inserted and fixing in the upper passageway.

Abstract: An electrical connector comprises a housing including a plug-receiving receptacle, a set of mating contacts each having a mating portion extending in the plug-receiving receptacle and a first connecting portion, a set of mounting contacts each having a second connecting portion, an insulative carrier having opposed front and rear walls and a receiving chamber, and a set of magnetic components each having a magnetic core received in the receiving chamber and a number of conductive wires winding therearound. The mating contacts are held by a bottom section of the front wall, and the mounting contacts are held by a bottom section of the rear wall. Each conductive wire has a first end connecting with the first connecting portion of the mating contact and an opposite second end connecting with the second connecting portion of the mounting contact. The electrical distance from the mating contacts to the mother board is reduced.

Abstract: A stacked receptacle connector includes an insulative housing forming a first receiving cavity extending along a front-to-back direction, a second receiving cavity stacked on the first receiving cavity along a vertical direction perpendicular to the front-to-back direction, and a mounting cavity located behind and communicating with the first and second receiving cavities. A printed circuit board (PCB) is mounted to the mounting cavity. A first connector having a front portion received in the first receiving cavity and a rear portion connected to the PCB. The first connector is fitted to be inserted by a first plug connector along two opposite direction. A plurality of contacts each has a mating portion received in the second receiving cavity and a mounting portion connected with the PCB. A plurality of footer pins connected the PCB to electrically connect the first connector and the contacts to an exterior substrate.

Abstract: The plug connector includes an insulative housing and a terminal module wherein the terminal module is able to be moveable relative to the housing via sliding or rotation or translation or even detachment so as to have the front mating portion of the terminal module independently mated with the thin receptacle connector or cooperate with the housing to be mated with the regular RJ-45 modular jack.

Abstract: A printed circuit board assembly includes a printed circuit board, a number of electronic components mounted thereon, and a number of conductive traces electrically connecting the components to form a number of transmission channels. Each of the channels has first and second transmission routes for transmitting differential signals. Each channel includes a common mode choke, a pair of capacitors, and an autotransformer. The common mode choke includes a first coil series connection with the first transmission route and a second coil series connection with the second transmission route. The capacitors include a first capacitor series connection with the first transmitting route and a second capacitor series connection with the second transmitting route.

Abstract: A modular jack has an insulative housing, two adjacent internal modules, and a middle shield disposed between the adjacent internal modules. The insulative housing has a front wall and a plurality of openings therein configured as pairs of first and second aligned openings, and a receptacle located behind the openings. Each opening is configured to receive a plug connector therein in a front-to-back direction. The middle shield extends towards a front wall of the insulative to define two module receiving cavities each receiving one internal module. The middle shield includes a conductive plate and an insulative sheet affixed thereto. The insulative sheet faces to the internal modules for insulation between the internal modules and the conductive plate. The insulative sheet is very thin that it occupies little space of the receptacle, thereby reducing a size of the modular jack.

Abstract: A modular jack has a magnetic assembly including insulative body, two rows of terminals retained to the insulative body, four transformers, and four common mode chokes. Each of the transformer and common mode choke includes a magnetic core and a plurality of conductive wires wound therearound. Each terminal has a recess for receiving an end portions of a corresponding wire and then the terminal is inserted into a through-hole of an internal printed circuit board for dip soldering. Guiding of the wire to the recess can be automated in contrast to manual winding operation.

Abstract: An electrical connector includes an insulative housing, a contact module, and a magnetic module. The insulative housing defines a receiving cavity forwardly communicating with an exterior plug and a mounting cavity located behind the receiving cavity. The contact module includes a set of mating contacts each having a contacting portion exposed within the receiving cavity and a set of mounting contacts for connecting to an exterior substrate. The magnetic module is received in the mounting cavity and electrically connecting the mating contacts to corresponding mounting contacts. The magnetic module includes a printed circuit board (PCB) and four isolated transformers surface mounted on a same face thereof. The four discrete transformers are arranged on a limited space of the PCB.

Abstract: An electrical connector comprises a housing including a plug-receiving receptacle, a set of mating contacts each having a mating portion extending in the plug-receiving receptacle and a first connecting portion, a set of mounting contacts each having a second connecting portion, an insulative carrier having opposed front and rear walls and a receiving chamber, and a set of magnetic components each having a magnetic core received in the receiving chamber and a number of conductive wires winding therearound. The mating contacts are held by a bottom section of the front wall, and the mounting contacts are held by a bottom section of the rear wall. Each conductive wire has a first end connecting with the first connecting portion of the mating contact and an opposite second end connecting with the second connecting portion of the mounting contact. The electrical distance from the mating contacts to the mother board is reduced.

Abstract: A modular jack includes an insulative housing, a set of central shields, and a set of insert modules. The modular jack defines a mounting port. Each insert module includes a printed circuit broad assembly (PCBA) disposed horizontally in the mounting port and a terminal module located below the PCBA. The terminal module has a set of first terminals, a set of second terminals, and an insulative carrier holding the first and second terminals. Each central shield is disposed between two adjacent insert modules and mounted to the insulative housing. The central shield has a metal wafer and an insulative body for holding the metal wafer. The insulative body includes a pressing face extending along a front-to-back direction and the insulative carrier has a receiving pressure face extending along the front-to-back direction. Each terminal has a mounting portion for electrically and mechanically engaged with an exterior PCB.

Abstract: A modular jack has an insulative housing, two adjacent internal modules, and a middle shield disposed between the adjacent internal modules. The insulative housing has a front wall and a plurality of openings therein configured as pairs of first and second aligned openings, and a receptacle located behind the openings. Each opening is configured to receive a plug connector therein in a front-to-back direction. The middle shield extends towards a front wall of the insulative to define two module receiving cavities each receiving one internal module. The middle shield includes a conductive plate and an insulative sheet affixed thereto. The insulative sheet faces to the internal modules for insulation between the internal modules and the conductive plate. The insulative sheet is very thin that it occupies little space of the receptacle, thereby reducing a size of the modular jack.

Abstract: A modular jack has a magnetic assembly including insulative body, two rows of terminals retained to the insulative body, four transformers, and four common mode chokes. Each of the transformer and common mode choke includes a magnetic core and a plurality of conductive wires wound therearound. Each terminal has a recess for receiving an end portions of a corresponding wire and then the terminal is inserted into a through-hole of an internal printed circuit board for dip soldering. Guiding of the wire to the recess can be automated in contrast to manual winding operation.

Abstract: An electrical connector includes an insulative housing, a lower mating contact module, and an upper mating contact module. The insulative housing has a lower receiving cavity, an upper receiving cavity, and an intermediate wall located therebetween. The lower mating contact module has a lower insulating carrier and a set of lower mating contacts secured to the lower insulating carrier. The upper mating contact module has an upper insulating carrier and a set of upper mating contacts secured to the upper insulating carrier. The intermediate wall defines a lower passageway extending along a front-to-back direction and an upper passageway disposed above the lower passageway. The lower insulating carrier has a lower fixing arm inserted and fixed in the lower passageway, and the upper insulating carrier has an upper fixing arm inserted and fixing in the upper passageway.

Abstract: A modular jack includes an insulative housing, a lower PCB (printed circuit board), an upper PCB, a set of lower contacts mounted on the lower PCB, a set of upper contacts mounted on the upper PCB, and a terminal module located below the lower PCB. The terminal module has a set first terminals electrically connected to the upper contacts through the upper PCB, a set of second terminals electrically connected to the lower contacts through the lower PCB, and a metal shielding plate disposed between the first and second terminals. The lower PCB has a first edge with a lower cutout recessed therefrom and the upper PCB has a second edge with an upper cutout recessed therefrom. The metal shielding plate has a top inserting section inserted in the lower and upper cutouts and soldered to the upper and lower PCBs only in one soldering process.

Abstract: A modular jack includes an insulative housing, a set of central shields, and a set of insert modules. The modular jack defines a mounting port. Each insert module includes a printed circuit broad assembly (PCBA) disposed horizontally in the mounting port and a terminal module located below the PCBA. The terminal module has a set of first terminals, a set of second terminals, and an insulative carrier holding the first and second terminals. Each central shield is disposed between two adjacent insert modules and mounted to the insulative housing. The central shield has a metal wafer and an insulative body for holding the metal wafer. The insulative body includes a pressing face extending along a front-to-back direction and the insulative carrier has a receiving pressure face extending along the front-to-back direction. Each terminal has a mounting portion for electrically and mechanically engaged with an exterior PCB.

Abstract: A modular jack includes an insulative housing and an insert module mounted from the mounting port to the insulative housing along a back-to-front direction. The insulative housing defines a lower port, an upper port stacked on the lower port, and a mounting port located behind the lower and upper ports. Each of the lower and upper ports is used for mating with a modular plug connector. The insert module comprises a printed circuit broad assembly (PCBA) disposed horizontally in the mounting port and a terminal module located below the PCBA. The PCBA includes a top face, a bottom face, a set of upper contacts each having an upper contacting portion extending in the upper port, a set of lower contacts each having a lower contacting portion extending in the lower port, and a plurality of isolation transformers mounted on the top and bottom faces.

Abstract: An electrical connector includes an insulative housing, a contact module, and a magnetic module. The inslulative housing defines a receiving cavity forwardly communicating with an exterior plug and a mounting cavity located behind the receiving cavity. The contact module includes a set of mating contacts each having a contacting portion exposed within the receiving cavity and a set of mounting contacts for connecting to an exterior substrate. The magnetic module is received in the mounting cavity and electrically connecting the mating contacts to corresponding mounting contacts. The magnetic module includes a printed circuit board (PCB) and four isolated transformers surface mounted on a same face thereof. The four discrete transformers are arranged on a limited space of the PCB.

Abstract: An electrical connector includes an insulative housing, a printed circuit board, a set of mating contacts, and a shielding shell. The insulative housing defines a mating port for insertion of a plug connector and a mounting port for installing the printed circuit board. The insulative housing includes a lower wall for mounting to an exterior substrate and an upper wall. The printed circuit board is disposed behind the upper wall. The set of mating contacts each has a contact portion exposed to the mating port and a first connection portion connected to the printed circuit board. The shielding shell has a top wall surrounding the upper wall of the insulative housing. The top wall of the shielding has a cutout or a protrusion located above the first connecting portions for avoiding the first connecting portions electrically conducting to the top wall.

Abstract: An embodiment of the invention provides a method for forming an antenna which includes: providing a workpiece having a surface; providing a compression head including a main body, a soft rubber head disposed on the main body, and at least a through-hole, wherein the through-hole penetrates through the main body and the soft rubber head; adsorbing and fixing a conducting film on the soft rubber head through the through-hole; moving the compression head against the surface of the workpiece to press the conducting film onto the surface of the workpiece; removing the compression head; and patterning the conducting film.