Abstract: A coil array component including an element assembly that includes a filler and a resin material, a first coil portion and a second coil portion that are embedded in the element assembly and that are composed of a first coil conductor and a second coil conductor, respectively, and four outer electrodes electrically connected to the first coil portion and the second coil portion. Also, the first coil conductor and the second coil conductor are covered with a glass layer.

Abstract: A reactor cooling structure includes: a plurality of reactors that are stacked on one another, each reactor including a coil configured to produce magnetic flux when energized; and a cooling mechanism that cools the plurality of reactors, wherein each of the reactors has an exterior member that has: heat radiation surfaces respectively on both sides of the corresponding one of the reactors in a stacking direction of the stacked reactors i.e. a first direction, the heat radiation surfaces of the exterior member of each of the reactors being arranged to cool the coil of the corresponding one of the reactors; the cooling mechanism includes a cooling flow path for directly cooling the first and second heat radiation surfaces of the exterior member of each of the reactors by a refrigerant.

Abstract: A vehicle, a vehicle power electronics assembly, and a method of packaging and cooling an inductor assembly are provided. The vehicle has a vehicle electrical system with a variable voltage converter (VVC) and an inductor assembly. The inductor assembly has a core and a winding. A bobbin is connected to and surrounds an outer perimeter of the inductor assembly. The bobbin defines an inlet, an internal fluid passage, and a series of nozzles. The nozzles in the series of nozzles are spaced apart from one another about the bobbin and are positioned to spray fluid directly onto the winding. A fluid system is connected to the inlet to provide pressurized fluid to the inlet.

Abstract: A planar transformer includes a magnetic core having an internal opening. A plurality of high current capacity windings are disposed within the internal opening. These high current capacity windings have a length, a width and a thickness. Each winding is formed as an open loop having adjacent first and second end portions. There is at least one primary winding and one secondary winding. The primary winding and/or secondary winding may be high current capacity windings. A first terminal lead is electrically interconnected to multiple adjacent first end portions and a second terminal lead is electrically interconnected to multiple second end portions. Both the first terminal lead and said second terminal lead have a length, a width and a thickness measured with the thickness being less than either the terminal lead length or the terminal lead width.

Abstract: A coil for transfer of information or energy is described. The coil includes an electrically conductive magnetically insulative first layer and a magnetically conductive second layer bonded to the first layer along the length of the first layer. The first and second layers are wound to form a plurality of substantially concentric loops. A width and a length of the second layer may be substantially co-extensive with a respective width and length of the first layer so as to expose opposing longitudinal edge surfaces of the first layer along the length of the first layer. At least one of the opposing longitudinal edge surfaces may include a regular pattern extending substantially along a same first direction and across substantially the entire coil. A method of making the coil is described.

Abstract: A coil component includes a body having one surface and the other surface opposing each other and including a magnetic metal powder particle and an insulating resin; a coil portion embedded in the body and having end portions respectively exposed from end surfaces of the body; first and second external electrodes arranged to be spaced apart from each other on the one surface and extending to the end surfaces to be connected to the end portions, respectively; and an external insulating layer disposed between each of the first and second external electrodes and the one surface of the body. A magnetic metal powder particle exposed on the wall surface of the body, among the magnetic metal powder particle, has a plating prevention film disposed on at least a portion of a surface of the exposed magnetic metal powder particle and including metal ions of the magnetic metal powder particle.

Abstract: An inductor includes a core made from a metallic magnetic material, a wire wound around the core, a pair of outer electrodes coupled to respective end portions of the wire, a shielding member arranged so as to cover a top face and three or more side faces of the core, and an insulating member arranged between the core and the shielding member and having thermal conductivity. The thickness of the shielding member is set by applying the electric resistivity and permeability of the shielding member and the frequency of noise desired to be shielded to an expression for determining the depth of a skin of skin effect. The thickness of the insulating member is set according to the breakdown voltage of the insulating member and the voltage with which insulation is desired to be ensured under a use environment of the inductor.

Abstract: A multi-phase inductor includes a core made of a magnetic material; at least two phase windings surrounding the core for inducing a magnetic field in the core, such that a common mode inductance (LCM) is provided for the at least two phase windings; and an adjustment member made of a magnetic material, which adjustment member has at least two legs, which are interconnected with each other at an inner end and which are touching the core at an outer end to provide a differential mode inductance (LDM) for the at least two phase windings; wherein the outer end of each leg of the adjustment member overlays an axial side of the core and/or each leg of the adjustment member has a varying thickness between the inner end and the outer end to adjust the differential mode inductance (LDM).

Abstract: A device includes a core having a first end and a second end, and first and second wires wound around the core, each of the first and second wires having 1st to Nth turns counting from the first end to the second end, the 1st to Nth turns including an i?1th turn, an ith turn, a jth turn, and a j+1th turn, where j is greater than i. The ith turn of the first wire is closer to the first end than the ith turn of the second wire, the i?1th turn of the second wire is closer to the first end than the ith turn of the first wire, and the i?1th turn of the first wire is closer to the first end than the i?1th turn of the second wire.

Abstract: A coil component is provided. The coil component includes a body having one surface and the other surface, opposing each other, and including a plurality of wall surfaces respectively connecting the one surface and the other surface, a coil portion embedded in the body, first and second external electrodes spaced apart from each other on one surface of the body, and respectively connected to the coil portion, a groove formed continuously along an edge of the other surface of the body, and a stress relieving portion disposed on the other surface of the body to fill at least a portion of the groove.

Abstract: A coil component includes a main body portion containing resin, a coil provided in the main body portion, and an outer electrode electrically connected to the coil. A recess extending from a top surface of the main body portion toward a bottom surface thereof is provided in the side surface of the main body portion. The outer electrode is disposed in the recess, and a wall layer is interposed between the outer electrode and the inner surface of the recess.

Abstract: There are provided a chip electronic component and a board having the same. The chip electronic component includes: a substrate; a first internal coil part disposed on one surface of the substrate; a second internal coil part disposed on the other surface of the substrate opposing one surface thereof; a via penetrating through the substrate to connect the first and second internal coil parts to each other; and first and second via pads disposed on one surface and the other surface of the substrate, respectively, to cover the via, wherein the first and second via pads are extended in a direction toward portions of the first and second internal coil parts adjacent thereto.

Abstract: A reactor includes a coil that has unit coils. Spacers are disposed in (i) at least one of spaces between the unit coils adjacent to each other in the central axis direction and (ii) a space between each of the support frames and the unit coil. Bolts penetrate the support frame and the spacers, and the spacers are fixed to the bolts The bolts include fitting portions to be fitted to one of the spacers on a notch or a through hole formed in a projection part of the spacer.

Abstract: A coil component according to one aspect is provided with a core containing a plurality of soft magnetic metal particles, a winding wire wound on the core, and a sheathing body provided on the core so as to cover at least part of the winding wire and having a relative magnetic permeability smaller than that of the core.

Abstract: A transformer without matching sleeve for wire winding operation comprises a transformer wire frame, an iron core, a first winding unit and a second winding unit. The transformer wire frame comprises a winding part, a first wire outlet part and a second wire outlet part. The winding part comprises a first baffle, the second wire outlet part comprises a first inclined surface, a first partition plate, and a first block, the first partition plate divides the second wire outlet part into a first winding area and a second winding area, the first partition plate is only arranged corresponding to the first winding area. The first block is positioned in the first winding area to divide the first winding area into an initial winding area and a series winding area. Therefore, when the second winding is wound, the isolation requirement can be met without matching a sleeve.

Abstract: A laminate includes multiple paper layers, with at least one induction coil comprising first and second sets of windings. Two or more paper layers include the sets of windings comprising an electrically-conductive material. The sets of windings may be distributed throughout the laminate layers and provide good wireless induction charging performance in a compact space.

Abstract: A multilayer seed pattern inductor includes a magnetic body and an internal coil part. The magnetic body contains a magnetic material. The internal coil part is embedded in the magnetic body and includes connected coil conductors disposed on two opposing surfaces of an insulating substrate. Each of the coil conductors includes a seed pattern formed of at least two layers, a surface coating layer covering the seed pattern, and an upper plating layer formed on an upper surface of the surface coating layer.

Abstract: A laminate includes multiple paper layers, with at least one induction coil comprising first and second sets of windings. Two or more paper layers include the sets of windings comprising an electrically-conductive material. The sets of windings may be distributed throughout the laminate layers and provide good wireless induction charging performance in a compact space.

Abstract: A inductive component is provided, which comprises a magnetic core, an insulation body formed of an electrically insulating material and having the magnetic core accommodated therein, and a coil body having at least one winding wound thereon. The insulation body comprises at least two mechanically connected insulation wall sections, which each face, at least partially, a respective side surface section of the magnetic core. The coil body comprises at least one contact element attached to a side surface section of the coil body and used for establishing an electric connection to the at least one winding, and a magnetic core accommodation in which the magnetic core accommodated in the insulation body is partially accommodated. A side surface section of the magnetic core, which faces the contact element, is covered, at least partially, by an insulation wall section of the insulation body.

Abstract: An inductor element includes a first conductive portion, a second conductive portion, and a magnetic core. The first conductive portion includes a first round-about portion, a first mount portion, and a second mount portion. The second conductive portion includes a second round-about portion, a third mount portion, and a fourth mount portion. The magnetic core houses at least a part of the first and second conductive portions so that each mount surface of the first to fourth mount portions is exposed from one side of the magnetic core. The first and second conductive portions are arranged so that the first and second directions are substantially parallel and opposite to each other. The first and third mount portions are at least partially overlapped with each other in a third direction perpendicular to the first and second directions.