An electrical terminal includes a terminal body, at least one interference lug, and at least one circuit connection part. The terminal body includes a front end and a back end in a longitudinal direction. The interference lug is arranged in parallel to the longitudinal direction and extends outwardly in a horizontal direction perpendicular to the longitudinal direction. The at least one circuit connection part is connected to the terminal body. An electrical connector is also provided, and the electrical connector includes a base and the electrical terminal. The base includes at least one installation trough, and a guiding groove is arranged in the at least one installation trough, the at least one interference lug is adapted to slide into the guiding groove, so as to guide and position the electrical terminal.

An electrical terminal includes a terminal body, at least one interference lug, and at least one circuit connection part. The terminal body includes a front end and a back end in a longitudinal direction. The interference lug is arranged in parallel to the longitudinal direction and extends outwardly in a horizontal direction perpendicular to the longitudinal direction. The at least one circuit connection part is connected to the terminal body. An electrical connector is also provided, and the electrical connector includes a base and the electrical terminal. The base includes at least one installation trough, and a guiding groove is arranged in the at least one installation trough, the at least one interference lug is adapted to slide into the guiding groove, so as to guide and position the electrical terminal.

A wireless power transmitting apparatus can include a circuit board; a shielding plate on the circuit board; a first transmitting coil on the shielding plate, the first transmitting coil comprising a first plurality of lead wires; a second transmitting coil on the first transmitting coil, the second transmitting coil comprising a second plurality of lead wires; and a plurality of connectors outside the first transmitting coil and the second transmitting coil, the plurality of connectors connected with the first plurality of lead wires and the second plurality of lead wires, in which a first lead wire of the first plurality of lead wires emerges from below the second transmitting coil, a first lead wire of the second plurality of lead wires emerges from on the first transmitting coil, in which the shielding plate comprises a plurality of guide portions below the second transmitting coil, and the first plurality of lead wires and the second plurality of lead wires are electrically connected to the circuit board through the plurality of connectors.

A wireless charging device includes a transmitter configured to transmit a power signal for wireless charging, a circuit board including at least one component configured to control an operation of the transmitter, a shielding plate configured to block an electrical interference between the transmitter and the circuit board, and a connector configured to penetrate through the circuit board and the shielding plate so as to electrically connect the transmitter with the at least one component.

A power semiconductor device includes a plurality of power chips sealed in a package to control power and an IC sealed in the package to control each of the power chips. The IC is disposed at the center part of the package in the plan view. The plurality of power chips are disposed so as to surround the IC in the plan view.

The present invention provides a BGA element self-alignment structure and an alignment method, including a printed circuit board with a first alignment structure matching with the BGA ball, and a second alignment structure on two sides of the substrate and above the printed circuit board. The BGA element is precisely aligned on the printed circuit board, which improves the mounting processing efficiency, guarantees the mounting yield of the BGA element on the printed circuit board, reduces the rework and scraping costs caused by poor BGA mounting.

A device includes a substrate having a first side and a second side, wherein the first side faces opposite the second side. The device also includes a die positioned on the second side of the substrate and electrically coupled to the substrate. The device includes a signal routing component positioned on the first side of the substrate. The signal routing component is configured to route signals between the die and an external component to the device through the substrate. The device includes an electrical board positioned on the second side of the substrate. The electrical board is electrically coupled to the substrate.

A radiation shielding assembly for an electronic component is provided. The assembly includes a printed wiring board and a radiation shield having first and second covers on the printed wiring board. The first cover has first cover walls and the second cover has second cover walls. The first cover walls define a housing and have first cover cavities. The second cover walls have second cover thru passages. The assembly has the electronic component disposed on the printed wiring board and within the housing. The electronic component has a perimeter on the printed wiring board where the printed wiring board has passages at the electronic component perimeter. The first walls are located at the electronic component perimeter to enclose the electronic component.