One aspect of the present disclosure relates to a power electronics device for an electrically-driven charging device for an engine, said power electronics device comprising one or more power electronics components which are designed to operate an electrically-driven charging device for an engine, first and second conductors for guiding current for the one or more power electronics components, and a choke for filtering electromagnetic interference. The choke has a magnetic core which forms a closed ring about the first and second conductors and comprises a tongue which extends, arising from the closed ring, between the first and second conductors.

One aspect of the present disclosure relates to a power electronics device for an electrically-driven charging device for an engine, said power electronics device comprising one or more power electronics components which are designed to operate an electrically-driven charging device for an engine, first and second conductors for guiding current for the one or more power electronics components, and a choke for filtering electromagnetic interference. The choke has a magnetic core which forms a closed ring about the first and second conductors and comprises a tongue which extends, arising from the closed ring, between the first and second conductors.

A magnetic element is provided and includes a first magnetic core, a second magnetic core and two windings. The first magnetic core is made of a first material and includes two winding pillars and two connecting parts. The first magnetic core has a first permeability. The second magnetic core is made of a second material and has a second permeability. The first permeability is less than the second permeability. When the current flows through the two windings, a closed magnetic path is generated in the first magnetic core, the magnetic flux generated by the closed magnetic path flows through one of the winding pillars, one of the connecting parts, the other one of the winding pillars and the other one of the connecting parts in a direction, and the magnetic fluxes generated on the second magnetic core are cancelled out by each other.

An on-vehicle motor-driven compressor includes an inverter device having a noise reducer. The noise reducer includes a common mode choke coil. The common mode choke coil includes an annular core, first and second windings wound around the core, the second winding being spaced apart from and opposed to the first winding, an annular conductor that extends over the first winding and the second winding and covers the core, and an insulating layer located between an inner circumferential surface of the conductor and outer surfaces of the first winding and the second winding. The conductor is tubular and belt-shaped. The core includes an exposed portion that is not covered by the conductor. The insulating layer is tubular and belt-shaped. An entirety of the conductor is arranged within a range between opposite ends of the insulating layer.

An electronic device includes a system board, a power module and a conductive part. The system board includes a first surface and a second surface opposite to each other. The power module is disposed on the second surface and provides power to the semiconductor device through the system board. The conductive part is disposed on a first side of the power module adjacent to the second surface, wherein the conductive part is electrically connected with the and the system board, wherein the power is transmitted between the and the semiconductor device through the conductive part. The power module includes at least one switch circuit and a magnetic core assembly. The at least one switch circuit disposed on a second side of the power module away from the conductive part. The magnetic core assembly is arranged between the switch circuit and the conductive part.

An electronic device includes a system board, a power module and a conductive part. The system board includes a first surface and a second surface opposite to each other. The power module is disposed on the second surface and provides power to the semiconductor device through the system board. The conductive part is disposed on a first side of the power module adjacent to the second surface, wherein the conductive part is electrically connected with the and the system board, wherein the power is transmitted between the and the semiconductor device through the conductive part. The power module includes at least one switch circuit and a magnetic core assembly. The at least one switch circuit disposed on a second side of the power module away from the conductive part. The magnetic core assembly is arranged between the switch circuit and the conductive part.

A wire harness including: a wire; a tubular first outer cover accommodating the wire; a positioning member that is made of a synthetic resin and is attached to an end of the first outer cover; and a ring-shaped electromagnetic wave absorber that has a through hole through which the wire passes and is fixed to the positioning member, wherein the positioning member has a main body including an insertion portion inserted into the through hole, and a fitting portion that protrudes from an end of the main body and is fitted on the end of the first outer cover.

A power semiconductor system includes: a power stage module having one or more power transistor dies attached to or embedded in a first printed circuit board; and an inductor module attached to the power stage module and having an inductor electrically connected to an output node of the power stage module. The inductor includes windings patterned into a second printed circuit board of the inductor module.

A noise filter includes a plurality of stages of LC filters composed of a plurality of inductors and a plurality of capacitors. Each inductor has a bus bar, and a core member made from a magnetic body and having a tubular shape surrounding the bus bar. A power conversion device includes a power conversion main circuit, and the noise filter. The plurality of inductors are composed of: a specific bus bar, which is a first bus bar having a plate shape on a positive side and connecting an external power supply and the power conversion main circuit, or a second bus bar having a plate shape on a negative side and connecting the external power supply and the power conversion main circuit; and a plurality of core members surrounding the specific bus bar. The plurality of capacitors are provided between the first bus bar and the second bus bar.

A switching component configured to switch an electrical signal, the switching component includes a substrate bearing several elementary components each ensuring the switching of the electrical signal, a baseplate onto which the substrate is fixed, the baseplate being configured to discharge heat emitted in the switchings of the switching component, two electrical conductors each connected to one of the elementary components and respectively ensuring the input and the output of the elementary component concerned for the signal (I.sub.C) to be switched, a magnetic core produced in a ferromagnetic material, the magnetic core surrounding the elementary component concerned without surrounding others of the elementary components and being disposed in the component in such a way that a displacement current between the surrounded elementary component and the baseplate induces a magnetic induction in the magnetic core, and in such a way that the path followed by a conduction current of the electrical signal switched by the component does not form a turn around the magnetic core.