Abstract:
A magnetic module includes: a magnetic core; a primary coil wound on the magnetic core, the primary coil includes a first group of enameled wires and a second group of enameled wires; a secondary coil wound on the magnetic core, the secondary coil includes a third group of enameled wires and a fourth group of enameled wires, wherein the number of enameled wires of the third group of enameled wires is the same as that of the fourth group of enameled wires, the number of enameled wires of the first group is the same as that of the second group of enameled wires, and the number of the first group of enameled wires and the second group of enameled wires is greater than the number of the third group of enameled wires and the fourth group of enameled wires.
Abstract:
The network filtering circuit includes a cable side for connection with a network cable, a physical side for connection with a mother board, and a plurality of transmission channels connected between the cable side and the physical side. Each of the transmission channels includes an isolation transformer with a primary coil connected with the cable side and a secondary coil coupling with the primary coil. A common mode choke has two first ends connected to the physical side and two opposite second ends. A pair of capacitors series connection with the corresponding second ends and are connected between the secondary coil and the common mode choke. The primary coil has a first center tap directly connected to a ground node.
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:
An electrical connector for mounting on an external circuit board includes: an insulating body; a terminal module assembled on the insulating body and including a plurality of mating terminals, an insulating carrier with an accommodating cavity, plural intermediate terminals fixed on one side of the insulating carrier and electrically connected to the mating terminals, plural pin terminals fixed on the other side of the insulating carrier, and a magnetic module accommodated in the accommodating cavity and electrically connected to the intermediate terminals and the pin terminals, wherein the insulating carrier is a two-piece housing, the intermediate terminals are held in one housing piece, and the pin terminals are held in the other housing piece.
Abstract:
An electrical connector includes: an insulating body defining a mating space; and a terminal module assembled to the insulating body and having a circuit board and plural mating terminals mounted on the circuit board, wherein: each of the mating terminals has a contact portion extending obliquely backward, a bending portion bent backward from a front end of the contact portion, a connecting portion extending rearward from a rear end of the bending portion, and a mounting portion vertically extending from a rear end of the connecting portion for mounting on the circuit board; and a front end of the circuit board extends forward into the mating space.
Abstract:
A magnetic module includes: a magnetic core; and plural enameled wires wound on the magnetic core, the enameled wire being wound on the magnetic core to form a primary coil and a secondary coil, the primary coil forming a primary input end, a primary output end, and a primary center tap, the secondary coil forming a secondary input end, a secondary output end, and a secondary center tap, wherein one of the primary coil and the secondary coil includes four groups of enameled wires, and the other includes one group of enameled wires.
Abstract:
A magnetic module includes: a magnetic core; and plural enameled wires wound on the magnetic core, the enameled wire being wound on the magnetic core to form a primary coil and a secondary coil, the primary coil including a first group of enameled wires and a second group of enameled wires, the secondary coil including a third group of enameled wires and a fourth group of enameled wires, wherein the parts of the first group of enameled wires and the fourth group of enameled wires wound around the magnetic core are twisted together to form a first stranded wire, the parts of the second group of enameled wires and the third group of enameled wires wound around the magnetic core are twisted together to form a second stranded wire, and the first stranded wire and the second stranded wire are twisted together to form a total stranded wire.
Abstract:
An electrical connector includes: an insulative housing; and an inserting module positioned in the insulative housing and including a transformer, the transformer comprising: a magnetic core having a central opening; and a first and second wire groups each including plural wires, each wire having a central portion, a first end, and an opposite second end, the central portions of each wire group wound around the magnetic core through the central opening, wherein the first and second wire groups joint to function as a primary winding and a secondary winding of the transformer, and a wire diameter of the secondary winding is greater than a wire diameter of the primary winding.
Abstract:
The network filtering circuit includes a cable side for connection with a network cable, a physical side for connection with a mother board, and a plurality of transmission channels connected between the cable side and the physical side. Each of the transmission channels includes a first transmission line and a second transmission line with a CMC linked therebetween. Two filtering (Y type) capacitors are further linked between the first transmission line and the second transmission line with a middle line connected between the two filtering capacitors and having an extension line wherein in such an extension line there are a resistor and an optional adjusting capacitor to a ground node at the end in series connection
Abstract:
A terminal module includes a circuit board having: an upper layer having a row of upper conductive pads; a lower layer having a row of lower conductive pads; a first upper signal layer having upper conductive vias and a first upper inner conductive trace connecting with corresponding upper conductive pads through the upper conductive vias; a first lower signal layer having lower conductive vias and a first lower inner conductive trace connecting with corresponding lower conductive pads through the lower conductive vias; and a ground isolation layer; and a row of upper mating terminals connected to the upper conductive pad, and a row of lower mating terminals connected to the lower conductive pad; wherein neither the upper conductive via nor the lower conductive via passes through the ground isolation layer, and the ground isolation layer shields electromagnetic interference between the upper mating terminals and the lower mating terminals.