A filter inductor for a power generation convertor; the filter inductor comprising a toroidal connector and a conductive winding having a first connector and a second connector positioned at each end of the winding, and wherein the conductive winding being formed from at least first and second winding segments which are connected to each other so as to form a continuous winding around the toroidal connector that extends form the first connector to the second connector.

A power electronics device includes one or more electrical windings included in an insulating substrate. A cavity and a channel connected to the cavity are also included in the insulating substrate, and a magnetic core is located in the cavity. The device also includes primary and secondary side electrical components located on first and second regions of a principal surface of the insulating substrate. An isolation region is located on the principal surface of the insulating substrate between the first and second regions, and the channel extends from the cavity to a first channel opening at an outside edge of the insulating substrate such that, when viewed along a thickness direction of the insulating substrate, the isolation region completely overlaps the first channel.

An embedded magnetic component transformer device includes an insulating substrate with a cavity and a magnetic core housed within the cavity. First and second electrical windings pass through the insulating substrate around the magnetic core. The first electrical winding includes a first end terminal and a second end terminal, and a first tap terminal between the first and second end terminals. The device includes circuitry with a first input terminal electrically connected to the first end terminal and a first output terminal. In a first configuration of the circuitry, the first output terminal is electrically connectable to the second end terminal. In a second configuration of the circuitry, the first output terminal is electrically connectable to the first tap terminal.

An electronic apparatus includes a base and an electronic module. The base includes first and second base walls, a separating wall connected between the first and second base walls, and two receiving spaces disposed at opposite sides of the separating wall. The electronic module includes a terminal unit, and two electronic units respectively received in the receiving spaces and connected to the terminal unit. The terminal unit includes two pairs of first terminals, each of which has a connecting section protruding from one of two opposite side surfaces of the second base wall, and two second terminals, each of which has two connecting sections respectively protruding from two opposite side surfaces of the first base wall.

An embedded coil assembly embodiment includes a ferrite ring having an annular axis. The ferrite ring is positioned on a conductive metal surface. A plurality of separate, spaced apart conductive structures extend over the ferrite ring and are attached to the conductive metal surface in a first region of the conductive surface positioned radially outwardly of the annular axis of the ferrite ring and in a second region of the conductive surface positioned radially inwardly of the annular axis of the ferrite ring. An encapsulation layer covers, the ferrite ring and at least a portion of the plurality of conductive structures.

A case unit for containing an annular magnetic core and a coil, which comprises a first case having an annular portion having an annular space for receiving the annular magnetic core, around which the coil is wound, and pluralities of legs extending from the annular portion to one side; and a second case engaging the first case, such that it enters gaps between the annular portion and legs of the first case, and covers part of the annular portion from the one side; a first fixing portion of each leg of the first case and each second fixing portion of the second case being overlapped and fixed to a substrate.

A dust core includes a compact containing a soft magnetic powder and also includes a cover coat for the compact. The cover coat contains a polyamideimide-modified epoxy resin. An electric/electronic component includes the dust core, a coil, and a connection terminal connected to each end portion of the coil. At least one portion of the dust core is placed so as to be located in an induced magnetic field generated by the current flowing in the coil through the connection terminal. An electric/electronic device includes the electric/electronic component.

A magnetic-component module includes a first header, a core on the first header, and a winding including a first trace on the first header. The first header includes a disc-shaped portion that supports the core and a cylinder-shaped portion that receives a hole of the core.

A power supply module includes a substrate, a switching control IC and a coil. The coil includes a plurality of metal posts, first ends of which are mounted on a first surface of the substrate, wiring conductors that are in conductive contact with the first ends of the metal posts, and post connection conductors that are in conductive contact with second ends of the metal posts. The power supply module further includes a magnetic core that strengthens magnetic flux generated by the coil, and a sealing resin that seals the metal posts and the magnetic core.

An inductor module comprising one or several wound inductors in a metallic housing, held in place by potting compound, wherein a surface of the metallic housing is a mechanical and thermal interface to a heat sink, and the distance between the coils and the inner side of the surface is predetermined by a suitable insulating space of potting compound. The invention may be used as PFC inductor in an on-board vehicle charger, among other uses.