A motor driving device is equipped with a printed board, a plurality of secondary voltage elements mounted on the printed board and which are used only with a secondary voltage, a plurality of primary voltage elements disposed on a surface on a side opposite to a surface on which the plurality of secondary voltage elements are mounted on the printed board, and which are used only with a primary voltage that is higher than the secondary voltage, and first conductive materials, which extend from an upper portion of the printed board to control terminals (command signal input portion) of the primary voltage elements, for the purpose of transmitting command signals from the secondary voltage elements to the primary voltage elements.

A transformer includes a substrate having an input and an output, the input being connectable to one section of a medical electrical device, the output being connectable to another section of the medical electrical device. An input ground system and an output ground system, which is electrically isolated from the input ground system, provide continuous return paths for an input signal and an output signal, respectively. The transformer includes a primary winding electrically connected to the input, a secondary winding electrically connected to the output, and a core transferring data from the primary winding to the secondary winding using magnetic field coupling. A middle portion of the primary winding and a middle portion of the secondary winding wrap around the core and are twisted together. Other portions of the primary winding are twisted with one another, while other portions of the secondary winding are twisted with one another.

A power conversion device includes: planar type coil components having plate-like winding members and cores attached to the winding members; a housing having recessed portions in which the coil components are accommodated in vertical arrangement; and fillers with which gaps between the recessed portions and the coil components are filled.

An electrical junction box that includes a circuit board on which a coil element is installed; a partition wall that surrounds the coil element and separates an installation region on the circuit board on which the coil element is installed from a region around the installation region; a frame that is formed in one piece with the partition wall and surrounds the circuit board; a heat dissipation plate on which the circuit board and the frame are placed; and a cover that covers the circuit board from the frame side, wherein the coil element is fixed to the partition wall using a synthetic resin material, and wherein the frame and the heat dissipation plate are positioned relative to each other through a recess-projection engagement, and the cover is fixed to the heat dissipation plate using screws.

An electronic apparatus includes a base including a surrounding wall defining first and second receiving spaces and having first and second end surfaces, and an electronic module including a terminal unit, and first and second electronic units respectively received in the first and second receiving spaces. The terminal unit includes two first terminals connected to the first electronic unit, two second terminals connected to the second electronic unit, and two connecting terminals, each of which has first and second sections respectively extending from the first and second end surfaces and connected to the first and second electronic units, and an interconnecting section embedded within the base and interconnecting the first and second sections.

An electronic device package includes a molded case, a plurality of leads and a case lid. The molded case includes integrally formed side walls, end walls, and a bottom wall, which together define an interior for components. Each side wall includes top and bottom portions. The top portion includes first and second surfaces extending downward from a top edge of the side wall. The bottom portion has a top surface that extends away from the interior, a third surface extending downward from the top surface to a bottom edge, and a fourth surface extending downward from the second surface to the bottom wall. The leads are molded in the side wall from the bottom edge to the top edge. Each lead has an end extending above the top edge, and another end extending along the bottom edge of the side wall. The case lid is engaged with the molded case.

Network transformer structures including a production method therefore are disclosed. In one embodiment, multiple integrated I-shaped magnetic cores that include three winding barrel portions based on a new design for a magnetic core structure is disclosed. A first winding barrel portion and a second winding barrel portion are configured to wind a transformer winding, and a third winding barrel portion is configured to wind a common mode choke winding, so that a transformer and a common mode choke are combined onto one magnetic core to replace two previous magnetic cores, thereby saving on the overall network transformer structure cost as well as space on, for example, an end consumer printed circuit board.

A transformer includes a magnetic core having an inner space, a coil unit disposed within the magnetic core and including a primary coil and a secondary coil in which layers formed with conductive patterns are laminated, and a base configured to receive the magnetic core and the coil unit. A portion of the base is inserted into and disposed in the coil unit to be interposed between an output terminal coupled to the secondary coil and the magnetic core.

Disclosed is a network transformer. The network transformer includes a base and an upper cover, with the base and the upper cover being engaged with each other to form a receiving cavity. The receiving cavity is provided therein with a magnetic core coil. In manufacturing the network transformer provided in embodiments of the present application, a thread head and a thread tail of the magnetic core coil are welded with the base by an automatic spot welder, and then the upper cover is fixedly connected to the base, so that the manufacturing process is simplified, which ensures the rate of qualified products and improves the using effect.

Disclosed are apparatus and methods for arrayed embedded magnetic components that include magnetic devices that have a core that is embedded between two or more substrates and a winding pattern surrounding the core that is implemented on and through the two or more substrates. The winding pattern is operable to induce a magnetic flux within the core when energized by a time varying voltage potential. The winding pattern may be implemented by printed circuit layers, plated vias, other electrically conductive elements, and combinations thereof. Arrayed embedded magnetic components include two or more electrically interconnected magnetic devices positioned side-by-side in a horizontal integration, positioned top-to-bottom in a vertical integration, or combinations thereof. The magnetic devices may have a magnetic functionality such as, but not limited to, a transformer, inductor, and filter. Disclosed magnetic components and methods provide for low cost construction, consistent performance, and a low profile form, among other benefits.