A coil for a transformer assembly is provided. The coil extends circumferentially around a longitudinal axis. The coil comprises a foil winding arrangement and a conductor element. The foil winding arrangement extends circumferentially around the longitudinal axis and has four edge regions. The conductor element covers at least partially at least one of the edge regions of the foil winding arrangement. The conductor element allows for a reduction in an electric field that arises during an operation of the transformer assembly at the edges of the foil winding arrangement. In this manner, a performance improvement in partial discharge tests and lightning impulse tests can be achieved.

A flat coil, a manufacturing method thereof and an electronic apparatus are disclosed. The manufacturing method comprises: rolling a metal foil lamination onto a carrier roller to form a foil rod, wherein the metal foil lamination includes at least one layer of metal foil; sliding the foil rod from the carrier roller; slicing the foil rod into thin disks; and processing the thin disks to form at least one flat coil. According to this disclosure, a new solution for a flat coil is proposed.

Hybrid connectors that may transfer power and data with a variety of electronic devices having different types of connector interfaces, may consume a minimal amount of surface area, depth, and volume in an electronic device, and may be readily manufactured.

An integrated magnetic element includes an base; a current sensor disposed on the base; and a transformer provided on the base through which the current sensor and the transformer are integrated into one part, the transformer including a magnetic core, a first winding comprising at least one wire, and a second winding, wherein a part of section of the one wire of the first winding passes through the current sensor, and current value of the part of section of the one wire is detected by the current sensor so as to obtain a total current value of the first winding of the transformer.

An inductor assembly includes a coil including a spirally wound metal foil.

A multilayer conductor includes at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner. Each of the plurality of conductor layers includes a first conductor sublayer and a second conductor sublayer separated from the first conductor sublayer by a sublayer dielectric layer. The second conductor sublayer at least partially overlaps with the first conductor sublayer in each of the plurality of conductor layers. The multilayer conductor is included, for example, in a device including a magnetic core adjacent to at least part of the multilayer conductor.

Disclosed herein is a coil component that includes a coil conductor part, and first and second high permeability parts provided respectively on both sides of the coil conductor part in a coil axis direction. The second high permeability part has a larger thickness in the coil axis direction than the first high permeability part. A low permeability part that segments at least a part of a magnetic path exists between the first and second high permeability parts in an outer diameter area of the coil conductor part when viewed in the coil axis direction.

A high-frequency transformer includes: an iron core, primary windings and secondary windings, wherein the iron core is of an integrated equilateral triangle structure, the primary windings and the secondary windings are uniformly wound around three sides of the iron core, and the primary windings and/or the secondary windings are symmetrically distributed on the three sides.

A multilayer conductor includes at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner. Each of the plurality of conductor layers includes a first conductor sublayer and a second conductor sublayer separated from the first conductor sublayer by a sublayer dielectric layer. The second conductor sublayer at least partially overlaps with the first conductor sublayer in each of the plurality of conductor layers. The multilayer conductor is included, for example, in a device including a magnetic core adjacent to at least part of the multilayer conductor.

The disclosure relates to a coil and an electrical system including the same. Specifically, according to an embodiment of the disclosure, there is provided a coil including: main coil surfaces which are opposite each other and are substantially planar; and a multilayer film which is wound to form a plurality of loops which are substantially concentric, wherein the plurality of loops include an innermost loop including a first longitudinal direction end of the coil, and an outermost loop including a second longitudinal direction end of the coil, wherein the multilayer film includes a plurality of first electro-conductive layers which alternate with each other, and one or more second electrical insulation layers, wherein the first electro-conductive layer and the second electrical insulation layer have a width and a length which are substantially coextensive therebetween, such that the main coil surfaces, which are substantially planar, include corresponding end surfaces of the first electro-conductive layer and the second electrical insulation layer, respectively, wherein at least two first electro-conductive layers have different average thicknesses to reduce an alternating current resistance of the coil by 5%-11.3% inclusive in a frequency of at least about 148 KHz.