Abstract: A noise filtering magnetic interface circuit used for an electrical connector is provided. The magnetic interface circuit includes a number of signal channels and a capacitor (40). Each channel has a transformer (10) and a 3-wire common mode choke (20). The transformer has a first winding (100) connected and a second winding (110), the first winding having two opposite outputs, the second winding having two outputs and a center tap (111). The 3-wire common mode choke has a center winding (220) and two outer windings (210, 230), the center winding having a first output connected to the center tap of the second winding and a second output opposite to the first output, the two outer windings being respectively connected to the two outputs of the second winding. The capacitor has a first pole connected to the second outputs of the center windings of the channels and an opposite second pole connected to a ground.

Abstract: A circuit board (100) includes a first shielding layer (20) extending horizontally, an accessorial shielding layer, a signal circuit layer (3) positioned between the first shielding layer and the accessorial shielding layer, and a circumferential shielding layer (6) surrounding the circuit board and electrically connecting with the first shielding layer and the accessorial shielding layer to improve shielding effect.

Abstract: A modular jack (100) comprising a housing (200) defining an upper cavity and a lower cavity vertically stacked under the upper port, and a contact module (400) assembled to the housing. The contact module further comprises an upper row of mating contacts (42) extending into the upper cavity for mating with a module plug inserted therein, a horizontal upper PCB (43) bearing the upper row of contacts, a vertical right PCB (47) electrically connecting the upper PCB, a number of right transferring contacts (524) electrically connecting the right PCB, a lower row of mating contacts (44) extending into the lower cavity for mating with another module plug inserted therein, a horizontal lower PCB (45) bearing the lower row of contacts, a vertical left PCB (46) electrically connecting the lower PCB, a number of left transferring contacts (522) electrically connecting the left PCB.

Abstract: An electrical connector (100) to be mounted on an exterior PCB (126) is disclosed. The electrical connector includes an insulating housing (120) having a front face defining a mating port (122) to receive a plug therein; a number of mating contacts (142) received in said insulating housing and extending into said mating port for mating with a plug inserted therein; a first internal PCB (144) having a front face on which said mating contacts are mounted; a second internal PCB (145) with a ferromagnetic core embedded therein and forming an inductance; a number of terminals (149) extending out to be mounted to said exterior PCB. A number of signal channels are formed between the mating contacts (142) and the terminals (149) with the inductance electrically connected therein.

Abstract: A circuit board (100) includes a first shielding layer (20) extending horizontally, an accessorial shielding layer, a signal circuit layer (3) positioned between the first shielding layer and the accessorial shielding layer, and a circumferential shielding layer (6) surrounding the circuit board and electrically connecting with the first shielding layer and the accessorial shielding layer to improve shielding effect.

Abstract: An inductive component formed on a substrate (11) includes a number of conductive traces (111) exposed to air on the substrate, a core (13), and a number of terminals (12). The core is disposed on one side of the substrate and between the terminal and the conductive traces. The core is a toroidal core. The conductive traces connect with the terminals to form at least one conductive path winding around the core.

Abstract: A choke module (100) for connecting with a mother board includes a housing (1), a magnetic unit (2) and a number of terminals (3). The magnetic unit includes a paddle board (21) attached to the housing and having a number of conductive pads 9212) and conductive sections (211), a number of SMDs (Surface Mount Devices 22) surface mounted on the paddle board, and a number of magnetic components (23) each having a magnetic core (231) stacked on the corresponding SMD along a vertical direction and a plurality of wires (232) winding around the magnetic core and soldered on the conductive pads. The number terminals are electrically connected with the conductive sections and secured to the housing for connecting with the mother board.

Abstract: A noise filtering magnetic interface circuit used for an electrical connector is provided. The magnetic interface circuit includes a number of signal channels and a capacitor (40). Each channel has a transformer (10) and a 3-wire common mode choke (20). The transformer has a first winding (100) connected and a second winding (110), the first winding having two opposite outputs, the second winding having two outputs and a center tap (111). The 3-wire common mode choke has a center winding (220) and two outer windings (210, 230), the center winding having a first output connected to the center tap of the second winding and a second output opposite to the first out put, the two outer windings being respectively connected to the two outputs of the second winding. The capacitor has a first pole connected to the second outputs of the center windings of the channels and an opposite second pole connected to a ground.

Abstract: A modular jack (100) comprising a housing (200) defining an upper port and a lower port vertically stacked under the upper port, and a contact module (400) assembled to the housing. The contact module further comprises an upper row of mating contacts (42) extending into the upper port for mating with a module plug inserted therein, a horizontal upper PCB (43) bearing the upper row of contacts, a vertical right PCB (47) electrically connecting the upper PCB, a number of right transferring contacts (524) electrically connecting the right PCB, a lower row of mating contacts (44) extending into the lower port for mating with another module plug inserted therein, a horizontal lower PCB (45) bearing the lower row of contacts, a vertical left PCB (46) electrically connecting the lower PCB, a number of left transferring contacts (522) electrically connecting the left PCB.

Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (21) and a magnetic module (23). The magnetic module includes a number of magnetic cores (231) embedded in the paddle board, and a number of PCB layout traces (232, 233) arranged in each side face of the paddle board. The PCB layout traces on each side face includes a primary group of PCB layout traces (232a, 233a) having one group of tips (2322, 2331) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2321, 2332) connected to a conductive section (2111, 2121) of the paddle board, and a secondary group of PCB layout traces (232b, 233b) having one group of tips (2323, 2333) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2324, 2334) connected to vias of the paddle board.

Abstract: An electrical connector (100) to be mounted on an exterior PCB (126) is disclosed. The electrical connector includes an insulating housing (120) having a front face defining a mating port (122) to receive a plug therein; a number of mating contacts (142) received in said insulating housing and extending into said mating port for mating with a plug inserted therein; a first internal PCB (144) having a front face on which said mating contacts are mounted; a second internal PCB (145) with a ferromagnetic core embedded therein and forming an inductance; a number of terminals (149) extending out to be mounted to said exterior PCB. A number of signal channels are formed between the mating contacts (142) and the terminals (149) with the inductance electrically connected therein.

Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (21) and a magnetic module (23). The magnetic module includes a number of magnetic cores (231) embedded in the paddle board, and a number of PCB layout traces (232, 233) arranged in each side face of the paddle board. The PCB layout traces on each side face includes a primary group of PCB layout traces (232a, 233a) having one group of tips (2322, 2331) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2321, 2332) connected to a conductive section (2111, 2121) of the paddle board, and a secondary group of PCB layout traces (232b, 233b) having one group of tips (2323, 2333) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2324, 2334) connected to vias of the paddle board.

Abstract: An electrical connector according to the present invention includes an insulative housing (10) defining two rows of passageways (101) therethrough, a spacer (30) attached to the bottom of the housing, and a plurality of first and second terminals (11, 12). The spacer defines two rows of passageways (301) therethrough, corresponding to the two rows of passageways within the housing. Each first and each second terminal is bent at a right angle at a middle portion thereof, and such terminals are respectively received in each of the two rows of passageways of both the housing and spacer. Each first and each second terminal includes an upper contact portion (111, 121), a lower contact portion (112, 122) and a connecting plate (110, 120) formed between the upper and the lower contact portions. Each upper and lower contact portion respectively includes a pair of contact strips (111, 121, 112, 122) facing each other, for resiliently engaging with terminals of exterior devices (5, 2).

Abstract: An electrical connector assembly includes a first connector (1), a guiding spacer (12) and a second connector (2). The first connector has a first housing (10) receiving two rows of first contacts (14) therein. A pair of guiding posts (106) is formed on opposite ends of a top wall (105) of the first housing for fitting into grooves (32) defined in a mating media storage device (3). The spacer includes a rectangular top wall (121) and four side walls (123) defining a chamber (120) therebetween for accommodating the second connector therein. Each first contact engages with a second contact (22) of the second connector, the second contact being soldered to a printed circuit board (4) of an electronic device. A supporting wall (124) projects upwardly from a longitudinal side of the rectangular top wall for abutting against a rear end of the top wall of the first housing.

Abstract: An electrical connector assembly comprises a first connector(1) and a second connector (2). The first connector comprises an upper housing(10) having a main body (101), and a lower housing (12). The lower housing has a body board (120) with a plurality of recesses (124) on opposite sides thereof, and a plurality of first contacts (14). Each recess defines a depression (126) at an end thereof. Each first contact includes a flat leg (144) received in the recess with a projection (146) received in the depression, and a pair of protrusions (147) interferingly engaging with sides of the recess. The second connector comprises a housing (20) having a slot (204) and a plurality of second contacts (22). The body board is adapted to extend into the slot and support reliable engagement of the legs of the first contacts with mating portions (220) of the second contacts.