Abstract: A coil component includes an insulator part, a coil that is embedded in the insulator part and includes a plurality of coil conductor layers electrically connected together, and outer electrodes that are disposed on surfaces of the insulator part and are electrically connected to the coil. The insulator part includes a magnetic phase containing at least Fe, Ni, Zn, and Cu and a non-magnetic phase containing at least Si and Zn. A portion of the insulator part located between, of the coil conductor layers, adjacent coil conductor layers has a pore area percentage of 0.3% or more and 3.0% or less (i.e., from 0.3% to 3.0%). The portion of the insulator part located between the adjacent coil conductor layers includes crystal grains having an average crystal grain size of 0.2 ?m or more and 0.8 ?m or less (i.e., from 0.2 ?m to 0.8 ?m).

Abstract: Provided is a three-phase dry-type transformer. The three-phase dry-type transformer comprises three single-phase dry-type transformers connected to each other. Each single-phase transformer comprises an incoming line side high-voltage coil and an outgoing line side high-voltage coil, wherein the incoming line side high-voltage coil is provided with an incoming line end and an outgoing line end, and the outgoing line side high-voltage coil is provided with an incoming line end and an outgoing line end. The outgoing line end of the incoming line side high-voltage coil is connected to the incoming line end of the outgoing line side high-voltage coil, such that the incoming line side high-voltage coil and the outgoing line side high-voltage coil are connected in series. Further provided is an assembly method.

Abstract: An example inductor comprises multiple coil parts and each formed by flatwise-winding layers of turns of a flat wire arranged in a radial direction with gaps between each of the layers, and the multiple coil parts are arranged in an axial direction with a clearance. There is provided a clearance between the multiple coil parts, through which air flows, achieving improvement in heat dissipation.

Abstract: An X-ray generating apparatus comprises a storage housing, an insulating housing arranged in the storage housing, an X-ray generating tube arranged at least partly in the insulating housing, and a plurality of electrical components arranged in the insulating housing. In the X-ray generating apparatus, the plurality of electrical components include a mold transformer, the mold transformer includes a core, an insulator covering the core, and a heat-dissipating path configured to move heat from the core to an external space of the insulator, and the heat-dissipating path includes a hole provided in the insulator to extend from the external space toward the core.

Abstract: An electric power converter includes an electric gatedriver circuit that includes a transformer. The transformer includes separate first and second cores of magnetically conductive material that are shaped to form respective closed loops. The transformer also includes a first electrical conductor with at least one winding arranged around a part of the first core in a first winding direction and at least one winding arranged around a part of the second core in a second winding direction opposite the first winding direction. The transformer further includes a second electrical conductor with at least one winding arranged around a part of the first core in the first winding direction and at least one winding arranged around a part of the second core in the second winding direction so as to counteract electric influence induced by a common magnetic field through the closed loops of the first and second cores.

Abstract: A coil component includes a body, a support substrate disposed in the body, a coil unit disposed on the support substrate to be perpendicular to a first surface of the body and including first and second lead-out portions exposed to first surface of the body and spaced apart from each other, first and second external electrodes disposed to be spaced apart from each other on the first surface of the body and connected to the first and second lead-out portions, respectively, a slit portion formed in a region of one surface of the body between the first and second external electrodes, and a slit insulating layer disposed in the slit portion.

Abstract: The present invention provides a current transformer module that can prevent the primary coil from being lifted or dropped and prevent the bobbin from being cracked when the primary coil is inserted into the bobbin. The current transformer module 12 of the present invention comprises a current transformer 10 including a resin-made bobbin 20 and a core 50 mounted on the bobbin, wherein the bobbin has a U-shaped primary coil 30 disposed in a primary coil through-hole 40 and a wire-wound secondary coil 27, and a casing 80 for housing the current transformer, wherein the primary coil is a U-shaped pin having a pair of legs 32, 32 and a U-shaped bent portion 31 for connecting the legs, and the casing has a concaved contact area 82 positioned opposite the U-shaped bent portion of the primary coil to prevent the primary coil from falling out.

Abstract: A magnetic coupling coil component according to one or more embodiments of the invention includes a magnetic base body, a first and second conductors disposed in a through-hole of the magnetic base body, and a non-magnetic portion disposed between the first and second conductors and having a relative magnetic permeability smaller than that of the magnetic base body. The magnetic base body has a mounting surface and the through-hole connecting first and second openings in the mounting surface. One end the first conductor is exposed through the first opening and the other end is exposed through the second opening. The second conductor is disposed at a position spaced away from the first conductor toward inside of the magnetic base body and is opposed to the first conductor. One end of the second conductor is exposed through the first opening and the other end is exposed through the second opening.

Abstract: Systems and methods for amplifying power, voltage, and current are provided. A system can include one or more inductors, each inductor including a magnetic core, a primary winding, and a secondary winding. The secondary winding can include two secondary winding wires, and the secondary winding wires can be connected to each other by a connection wire.

Abstract: A three-phase transformer configured to transform a three-phase voltage. The transformer includes first, second, and third toroidal transformers. The first toroidal transformer is configured to transform a first phase of the three-phase voltage. The second toroidal transformer is electrically connected to the first toroidal transformer. The second toroidal transformer is configured to transform a second phase of the three-phase voltage. The third toroidal transformer is electrically connected to the first toroidal transformer and the second toroidal transformer. The third toroidal transformer is configured to transform a third phase of the three-phase voltage.

Abstract: A magnetic coupling device is disclosed. The magnetic coupling device includes a core portion including an upper core and a lower core spaced apart from each other in a first direction, a primary coil and a secondary coil disposed between the upper core and the lower core in the state of being spaced apart from each other in the first direction, and a core connector electrically connected to the upper core and the lower core. A discharge phenomenon of a slim magnetic coupling device is prevented by the provision of the core connector.

Abstract: A core comprising a winding core part extending in an axial direction; and flange parts respectively disposed at opposite ends of the winding core part in the axial direction. Each of the flange parts has an inner surface facing toward the winding core part, an outer surface facing toward the side opposite to the inner surface, and a lower surface connecting the inner surface and the outer surface. At least one of the flange parts has a groove portion opened in the lower surface and the inner surface. Also, a width of a bottom surface of the groove portion is widened from the inner surface toward the outer surface.

Abstract: A coil component includes a terminal electrode and a terminal of a wire connected by thermocompression bonding on a bottom surface of a flange portion, to achieve a strong fixing force without the terminal of the wire protruding from the terminal electrode. A terminal of a wire extends along a main surface of a terminal electrode while at least a part of the terminal is disposed in the terminal electrode, and has a top surface positioned on a side opposite to a bottom surface side of a flange portion with respect to the main surface. A fillet surface which rises from the main surface toward the top surface and forms a concave curved surface is on an outer surface of the terminal electrode. The main surface is configured by a solder wettable layer made of tin or a tin alloy as an outermost layer of the terminal electrode.

Abstract: A common mode choke coil includes an element body of laminated insulating layers; electrically insulated first and second coils in the element body; first and second outer electrodes on the element body electrically connected to ends of the first coil; and third and fourth outer electrodes on the element body electrically connected to ends of the second coil. The first coil includes first to third coil conductors on first to third insulating layers. The second coil includes fourth to sixth coil conductor on fourth to sixth insulating layers. The second and third coil conductors are electrically connected via a via conductor overlapping at outer ends of the conductors. A dummy conductor overlapping the via conductor is provided on at least one of the first, fourth, fifth, and sixth insulating layers other than between the second and third insulating layers and electrically insulated from all the coil conductors.

Abstract: An Isolating Transmission Line Transformer (ITLT) for use in a data communications system is provided, the transformer comprising: a substantially planar substrate formed of electrically insulative material having opposed first and second surfaces; a first port formed of two separate terminals provided at one part of the substrate; a second port formed of two separate terminals provided at a second part of the substrate; a first conductor connected in series to the first port and arranged as a single loop; a second conductor which is electrically isolated from the first conductor and connected in series to the second port, the second conductor being arranged as a single loop in a substantially opposite orientation to the first conductor; wherein the first and second ports and at least part of the first and second conductors are provided on the substrate surface(s); and a core arranged between the first and second ports to cover the majority of the first and second conductors.

Abstract: A multilayer coil component includes a body formed by multiple insulating layers stacked in a direction of stacking and having first and second end surfaces opposite each other in a length direction, first and second main surfaces opposite each other in a height direction, perpendicular to the length direction, and first and second lateral surfaces opposite each other in a width direction, perpendicular to the length direction and to the height direction; a coil inside the body and including multiple coil conductors electrically coupled together; and a first outer electrode extending from at least part of the first end surface of the body to part of the first main surface and electrically coupled to the coil. The direction of stacking of the insulating layers and the direction of the coil axis of the coil are parallel with the first main surface, which is the mounting surface, of the body.

Abstract: A transformer device includes a first and a second trace, a first and a second connection member, and a first input/output member. A second sub-trace of the first trace is coupled to a first sub-trace of the first trace at a first and a second area. The first connection member is coupled to the first and the second sub-trace. The first and a third sub-trace of the second trace are disposed in turn. A fourth sub-trace of the second trace is coupled to the third sub-trace at the first and the second area. The second and the fourth sub-trace are disposed in turn. The second connection member is coupled to the third and the fourth sub-trace. The first sub-trace includes first wires, and the first input/output member is coupled to the first wire which is located at an inner side among the first wires.

Abstract: A choke includes at least one winding each having two connections, and a magnetic core having an air gap, wherein a coil body made up of at least two parts is provided for receiving the at least one winding, and a base plate that can be connected to the coil body is also provided. The at least two parts of the coil body and the base plate include first latching elements and second latching elements for tool-free connecting the at least two parts of the coil body and for tool-free connecting the base plate to the coil body, and the magnetic core is built up from sheets stacked one on top of the other, and the base plate is designed to receive the sheets of the magnetic core.

Abstract: In a multilayer coil component, a coil is configured by electrically connecting coil conductors respectively provided in magnetic body layers constituting an element body and metal magnetic particles have a normal particle having an ellipsoidal shape and flat particles having an ellipsoidal shape flatter in a thickness direction than the normal particle. A plurality of the normal particles and at least one of the flat particles disposed such that a surface (reference surface) including a major axis direction orthogonal to the thickness direction and a minor axis direction is along the forming surface of the coil conductor in the magnetic body layer are arranged in the lamination direction of the magnetic body layers between the coil conductors.

Abstract: In a multilayer coil component, a part filled with a resin and a void part not filled with the resin exist between a plurality of metal magnetic particles in an element body, one main surface of the element body is a mounting surface with respect to an external electronic component, and the edge of an external electrode is positioned on the mounting surface. In the element body, a high void region where the porosity caused by the void part is higher than the porosity of the other part in the element body extends from the edge of the external electrode on the mounting surface toward an end surface of the element body.