A coil component includes an insulating layer; an annular ring-shaped coil core embedded in the insulating layer; a coil electrode wound around the coil core; an input electrode designed for external connection, disposed on a lower surface of the insulating layer, and connected to a first end of the coil electrode; and an output electrode designed for external connection, disposed on the lower surface of the insulating layer, and connected to a second end of the coil electrode. One of the input electrode and the output electrode is disposed inside the coil core in a plan view. With this configuration, unlike a conventional coil component in which both input and output electrodes are disposed outside a coil core, it is possible not only to easily reduce the area of the coil component in a plan view, but also to improve heat dissipation characteristics of the coil component.

The present disclosure provides a heat dissipation structure for a magnetic component and a magnetic component having the same. The magnetic component includes a plurality of heat dissipation pins, which are disposed on the winding of the magnetic component, wherein the magnetic component has one or more windings. The heat dissipation structure includes a circuit board on which a plurality of heat dissipation channels are disposed, and the heat dissipation pins of the windings are in contact with the heat dissipation channels; a plurality of heat conduction portions are disposed correspondingly under the heat dissipation channels of the circuit board; a heat conduction layer is arranged under the heat conduction portions and contacts with the heat conduction portions; and a heat dissipation layer is arranged under the heat conduction layer and contacts with the heat conduction layer.

A transformer includes: a base that is a plate-like member and has a first surface and a second surface, a core attached to the first surface of the base, coils wound around the core, coil terminals attached to the second surface of the base, and a cooling unit that is thermally connected to the core and is to release heat transferred from the core. The coil terminals are disposed on the second surface of the base opposite to the first surface of the base to which the core is attached. The cooling unit is disposed on a side of the core opposite to the base.

A winding assembly for a transformer device includes a first and second coil with a plurality of windings, and a first set and a second set of thermally conductive plates. The first and second coils include a plurality of interleaved sets of turns. The plates of the first and second sets of the thermally conductive plates are interleaved with the sets of turns of the first and second coils respectively, and are disposed adjacent to one of the sets of turns of the first and second coils respectively, to transfer heat away from the coils. The first and second coils and the first and second sets of thermally conductive plates are encased in the resin dielectric material.

A thermal management includes an inductor, a housing in thermal communication with the inductor, the housing defining a wall, and a conductor. The conductor has greater thermal conductivity than the wall and is positioned within a groove and/or an aperture formed in the wall. The conductor is configured to conduct heat through the wall more efficiently than if the conductor were not present. A method of manufacturing a thermal management system includes forming a housing by additive manufacturing. The housing defines a wall having at least one of a groove and an aperture defined therein. The method includes positioning a conductor in at least one of the groove and the aperture. The conductor has a greater thermal conductivity than the wall. The method includes positioning an inductor into thermal communication with the housing.

In some embodiments, the instant invention can provide an electrical system that includes: a three-phase inductor with a core, including: a first segment having a first coil arrangement; a second segment having a second coil arrangement; a third segment having a third coil arrangement; where each of the first coil arrangement, the second coil arrangement, and the third coil arrangement has at least one air duct; at least one air baffle; and where the at least one air baffle is configured to be operationally attached to at least one selected coil arrangement in a position which allows the at least one air baffle to extend from at least one surface of the at least one selected coil arrangement into a flow of a supplied air.

A common mode choke apparatus includes a first bus bar forming a first plurality of loops about a first segment of a ferrite core, the first bus bar having a plurality of first upper surfaces, and a second bus bar forming a second plurality of loops about a second segment of the ferrite core, the second bus bar having a plurality of second upper surfaces.

A fluid-cooled balun transformer that includes a substrate plate with a first and an opposite second face, a first and a second conductive element arranged on the first and the second face, respectively, wherein a first and a second signal port electrically is connected to the first and the second conductive element, respectively, and a cooling module, where the second conductive element is transformingly coupled to the first conductive element and electrically isolated therefrom, the cooling module includes a first tubular member, the first tubular member has a fluid inlet to receive a coolant fluid into the first tubular member, a flow channel to conduct a flow of coolant fluid within the first tubular member and a fluid outlet to release the coolant fluid from the first tubular member, and where the flow channel of the first tubular member is arranged in thermal contact with the first conductive element.

Provided is a heat radiation unit for radiating heat generated during operation of a wireless power transmitting or receiving device and includes a plurality of thermally conductive metal layers stacked in two or more layers and an adhesive layer for attaching the thermally conductive metal layers, to prevent lowering of the charging efficiency and improve the heat radiation performance.

An electric machine includes a stator having a plurality of stator teeth. Each stator tooth of the plurality of stator teeth includes a winding disposed there around. Each stator tooth of the plurality of stator teeth is shaped to receive a plurality of microchannels. The microchannels contain a circulating heat-transfer fluid; Each stator tooth of the plurality of stator teeth is thermally exposed to the heat-transfer fluid via the plurality of microchannels so as to effectuate heat removal from each stator tooth of the plurality of stator teeth.