Abstract: A coil structure includes a first winding portion and a second winding portion disposed so as to overlap each other with winding axes substantially parallel to each other. The first winding portion and the second winding portion have regions overlapping each other when viewed from a winding axis direction. The second winding portion has a rising portion extending in a cross section perpendicular to a direction of a current flowing through a conductor constituting the winding portion with a directional component away from the first winding portion included.

Abstract: Shielded electrical transformers and power converters using those transformers are disclosed. In some implementations, a shielded electrical transformer includes a magnetic core, a primary winding, a first secondary winding, and a second secondary winding. The transformer includes a first shielding winding that has a same voltage potential direction as the primary winding and is connected in series with the primary winding to carry current that passes through the primary winding. The transformer also includes a second shielding winding that has a voltage potential direction opposite the primary winding and is connected from primary ground to a floating terminal. The first secondary winding, the second secondary winding, the first shielding winding, and the second shielding winding can each have an approximately equal number of turns.

Abstract: Provided is a coupled magnetic element having high voltage resistance and high power density, which includes: a first magnetic core, a first coil, a second coil, and at least one second magnetic core. There is a plurality of gaps between the first magnetic core and the at least one second magnetic core, the first coil is located between the first magnetic core and the second coil, and the second coil is located between the first coil and the at least one second magnetic core. The coupled magnetic element having high voltage resistance and high power density provided herein can achieve a coupled magnetic effect with high voltage resistance and high power density by means of the foregoing technical solution.

Abstract: A first substrate has recesses respectively provided at corner portions of a bottom surface. Outer electrodes each have an electrode body portion provided around an associated one of the recesses on the bottom surface. The electrode body portions each are made up of a plurality of laminated metal layers. A first metal layer located at an innermost side of the plurality of metal layers is formed on the bottom surface at a position spaced apart from a short-side ridge portion between the bottom surface and a side surface.

Abstract: A measurement transformer includes a printed circuit and a magnetic core. The printed circuit includes an insulating layer, a primary through assembly and a secondary through assembly. The primary through assembly includes first primary plated through holes and second primary plated through holes extending through the insulating layer. The primary through assembly forms a portion of a primary winding of the transformer. The primary winding has a single turn. The secondary through assembly includes first secondary plated through holes and second secondary plated through holes extending through the insulating layer. The secondary through assembly forms a portion of a secondary winding of the transformer. The secondary winding includes a plurality of turns connected in series. The magnetic core extends in the thickness of the printed circuit.

Abstract: A coil device includes a coil part having a coil, a case accommodating the coil part, a coolant accommodated in the case, and a fluid volume adjusting part for supplying the coolant to the case or discharging the coolant from the case. The coil part floats on the coolant.

Abstract: An integrated stack transformer is provided, wherein the integrated stack transformer includes a first winding, a second winding and a third winding implemented by a first metal layer, and a fourth winding and a fifth winding implemented by a second metal layer. The second winding is positioned between the first winding and the third winding, the fourth winding substantially overlaps the first winding, the fifth winding substantially overlaps the third winding, and a distance between the fifth winding and the fourth winding is less than a distance between the third winding and the first winding. The first winding, the third winding, the fourth winding and the fifth winding form a part of one of a primary inductor and a secondary inductor of the integrated stack transformer, and the second winding is a part of the other of the primary inductor and the secondary inductor.

Abstract: A three-phase magnetics assembly comprising a plurality of windings, and a unified core body is provided. The core body includes core legs which extend along central axes of the plurality of windings and around which the plurality of windings are wound such that magnetic fluxes are produced in the plurality of core legs when current flows through the plurality of windings. The plurality of windings comprise first, second, and third phase inductors, and first, second, and third phase transformers, which are positioned about the unified core body such that the core legs of the first phase inductor and second phase transformer share a central axis, the core legs of the second phase inductor and third phase transformer share a central axis, and the core legs of the third phase inductor and first phase transformer share a central axis.

Abstract: An electronic device has a primary coil 10; a secondary coil 20 disposed to face the primary coil 10; a primary-side electronic element 110 electrically connected to the primary coil 10; and a secondary-side electronic element 210 electrically connected to the secondary coil 20. The primary coil 10 has a primary-side first coil 10a that is provided on another side of the secondary coil 20, and a primary-side second coil 10b that is provided on one side of the primary-side first coil 10a. A connecting part 19 connecting the primary-side first coil 10a and the primary-side second coil 10b is provided and passes through a space of the secondary coil 20.

Abstract: A planar winding transformer includes a magnetic core set and a multilayer circuit board. The magnetic core set includes two magnetic cores and two magnetic columns. The two magnetic cores are parallel to each other. The multilayer circuit board is disposed between two magnetic cores, and two magnetic columns penetrate through the multilayer circuit board. The multilayer circuit board includes two low voltage winding layers and one high voltage winding layer. Two low voltage winding layers are connected to each other in parallel, and the high voltage winding layer is disposed between two low voltage winding layers. When the high voltage winding layer receives a polarity current, at least one of the low voltage winding layers generates a corresponding induced current. Two magnetic cores and two magnetic columns form a closed path for magnetic flux.

Abstract: A coil component includes a support substrate, a body having a first surface and a second surface opposing each other and having the support substrate disposed therein, a coil portion disposed on at least one surface of the support substrate and having an end of an outermost turn disposed closer to the first surface of the body than the second surface of the body, and a lead-out portion having a first surface connected to the end of the outermost turn and a second surface opposing the first surface of the lead-out portion and exposed to the first surface of the body. An area of the first surface of the lead-out portion is greater than an area of the second surface of the lead-out portion.

Abstract: A coil component includes a body having a first surface, and a first end surface and a second end surface connected to the first surface and opposing each other in a length direction; a support substrate disposed inside the body; a coil portion comprising a first coil pattern and first and second lead-out patterns, each disposed on a first surface of the support substrate; first and second slit portions, respectively defined on edge portions of the first surface of the body to expose the first and second lead-out patterns; and first and second external electrodes disposed on the first and second slit portions to be connected to the first and second lead-out patterns. At least one of the first and second lead-out patterns has a thickness greater than a thickness of each of the first coil pattern and the first dummy lead-out pattern.

Abstract: In an inductor component, a first magnetic layer thickness of the first magnetic layer as a measurement in the normal direction is smaller than a second magnetic layer thickness of the second magnetic layer as a measurement in the normal direction. An inductor wiring thickness of the inductor wiring as a measurement in the normal direction is from larger than 0.5 times a vertical wiring thickness of the vertical wiring as a measurement in the normal direction to smaller than 1.5 times the vertical wiring thickness.

Abstract: A circuit is provided that comprises a transformer having a first coil, which is arranged on a substrate, a second coil, which is arranged above the first coil on the substrate, and a dielectric between the first coil and the second coil. The circuit furthermore comprises a resonant circuit, which is couplable to the first coil and/or the second coil to form a resonant loop, wherein a measure of a characteristic frequency of the resonant loop and/or a measure of a power consumption of the resonant loop is able to be tapped off at an output of the resonant circuit. A corresponding method is also provided.

Abstract: The invention relates to an inductive component having a planar conductive track structure. The planar conductive track structure is surrounded along a predetermined section by a ferromagnetic core. For targeted control of the current flow inside the planar conductive track structure and, in particular, of the current density in the cross-section of the planar conductive track structure, gaps are provided in a targeted manner in the ferromagnetic core. The gaps in the ferromagnetic core are arranged in regions above and/or below the planar conductive track structure.

Abstract: In an inductor component, an inductor wiring is provided inside an element body. The inductor wiring includes a wiring main body and a skirt portion adjacent to the wiring main body in a height direction of the inductor wiring. A dimension in a height direction in the wiring main body is larger than a dimension in the height direction in the skirt portion. A dimension of the skirt portion in a width direction in the inductor wiring increases as a distance from the wiring main body in the height direction increases. A dimension in the width direction of a distal end of the skirt portion is larger than a dimension in the width direction of the wiring main body.

Abstract: An inductor component includes an inductor wiring line that extends in a plane, a magnetic layer that is formed of an organic resin containing a magnetic powder and that covers the inductor wiring line, and a nonmagnetic-body insulating layer that is formed of an organic resin containing an insulating nonmagnetic powder and that covers a principal surface of the magnetic layer. The inductor component further includes a close-contact layer that is located between the magnetic layer and the insulating layer and that contains the magnetic powder, the nonmagnetic powder, and an organic resin.

Abstract: A coil component includes a support substrate, a coil portion disposed on one surface of the support substrate and having one end and the other end connected by a plurality of turns, a body in which the support substrate and the coil portion are embedded, a lead portion extending from one end of the coil portion, and an auxiliary lead portion disposed between one end of the coil portion and the other end of the coil portion, and extending from the coil portion to be spaced apart from the lead portion, on one surface of the support substrate. The lead portion and the auxiliary lead portion are exposed to an external surface of the body to be spaced apart from each other.

Abstract: An inductor core includes a tubular magnetic material body formed of a magnetic material. The magnetic material body includes an inclined portion including an inclined surface which constitutes a peripheral surface of a truncated cone having an outer diameter that increases from one end toward the other end of the tubular magnetic material body; a straight trunk portion which is disposed coaxially with the inclined portion and includes an outer peripheral surface which constitutes a peripheral surface of a cylindrical body which extends from the other end toward the one end and a flange portion which is provided between the inclined portion and the straight trunk portion and connects the inclined portion and the straight trunk portion. An outer peripheral surface of the flange portion has an outer diameter greater than the outer diameter of the inclined portion and an outer diameter of the straight trunk portion.

Abstract: A coil component in which a crack is rarely generated around a coil conductor layer. The coil component includes an element body; and a coil provided in the element body and spirally wound along a first direction. The coil has a plurality of coil conductor layers stacked along the first direction. The element body has a vicinity area located in a vicinity of each of the coil conductor layers, and has a non-vicinity area other than the vicinity area. The vicinity area has a pore area rate less than a pore area rate in at least a part of the non-vicinity area.