Abstract: A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges.

Abstract: A distributed active transformer is provided comprising a primary and a secondary winding. The primary winding comprises a first set of conductive vias extending in a direction between a first surface and a second surface of an element, a first set of first electrically conductive lines extending along the first surface, and a first set of second electrically conductive lines extending along the second surface. The secondary winding comprises a second set of conductive vias extending in a direction between the first surface and the second surface, a second set of first electrically conductive lines extending along the first surface, and a second set of second electrically conductive lines extending along the second surface. When energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface. The secondary winding receives energy transferred by the magnetic flux generated by the primary winding.

Abstract: Embodiments of the present invention provide an apparatus comprising a flexible circuit having a proximal end, a distal end, and a plurality of longitudinal conductors. Further, the apparatus includes a substantially cylindrical retractor capable of retracting the flexible circuit around an exterior surface. Further still, the apparatus includes a plurality of thermal energy transfer turrets attached to the flexible circuit near the plurality of longitudinal conductors.

Abstract: An electronic component and a circuit board having the same mounted thereon. The electronic component includes: a base part; a coil part provided on the base part and including a coil formed by disposing conductive patterns in a spiral shape and an external terminal connected to an end portion of the coil; and a cover part including an external electrode having a first surface contacting an upper surface of the external terminal and a second surface opposing the first surface and a magnetic material part provided on the coil part, made of a magnetic material, and exposing the second surface, wherein a surface area of the first surface is larger than a surface area of the second surface.

Abstract: In accordance with an embodiment, a transformer includes a first coil disposed in a first conductive layer on a first side of a first dielectric layer, and a second coil disposed in a second conductive layer on a second side of the first dielectric layer. Each coil has a first end disposed inside its respective coil and a second end disposed at an outer perimeter of its respective coil. A first crossover disposed in the second conductive layer is directly connected to the first end of the first coil and extends past the outer perimeter of the first coil. In addition, a second crossover disposed in the first conductive layer is directly connected to the first end of the second coil and extends past the outer perimeter of the second coil.

Abstract: A transformer skeleton and a winding method using the same are provided. The transformer skeleton includes at least one limiting hook. The limiting hook and a pin of the transformer skeleton are located on a same side of the transformer skeleton. A wire, which is led out from a winding groove of the transformer skeleton, electrically contacts the pin and passes through the limiting hook. The limiting hook is used to prevent the wire from moving upward. The advantage of the transformer skeleton is that the transformer skeleton disposes at least one limiting hook which is used to prevent the wire from moving upward and only a single layer of the wire contacts the pin in order to reduce the height of a tin cone. The transformer skeleton can decrease the height of the tin cone by 70%˜80%, thereby efficiently decreasing the height and width of the transformer.

Abstract: A bobbin includes a core portion extending in a z-axis direction, a flange portion at an end of the core portion on a negative direction side of the z-axis direction and extending from the core portion in an x-axis direction and a y-axis direction, and a projecting portion projecting toward the negative direction side of the z-axis direction from a surface S1 on the negative direction side of the flange portion in the z-axis direction. Pin terminals project from the surface S1 of the flange portion toward the negative direction side of the z-axis direction. A winding is wrapped around the core portion, with both ends respectively wrapped around the pin terminals. Both ends of the winding are respectively soldered to the pin terminals at a region between an end portion of the projecting portion on the negative direction side of the z-axis direction and the surface S1 of the flange portion.

Abstract: A coil component includes a coil section, an outer package, and a pair of outer electrodes. The outer package is made of magnetic material, embeds the coil section therein, and has a bottom face, a top face provided with cut-out sections, a first lateral face, and a second lateral face. Each of the pair of outer electrodes extends from both ends of the coil section, and is pulled out from the first lateral face, and then is bent toward the bottom face, and yet is bent along the bottom face and the second lateral face, and finally is bent toward the cut-out section of the top face. Recesses are formed on the bottom face at places overlapped with the pair of outer electrodes, and each of the outer electrodes is bent to form a projection protruding inside the corresponding recess.

Abstract: A magnetic device is provided. The magnetic device includes a magnetic core and a conductive winding inductively coupled to the magnetic core. The conductive winding includes a first terminal segment, a second terminal segment, and an inductive segment electrically coupled in series therebetween. The first terminal segment includes a current sensing element.

Abstract: An object of the present invention is to provide a contact coil terminal having smaller numbers of components and assembling manhours, and thus, higher productivity. For this, there is a coil terminal 153 in which a press-fitting portion is pressed into a press-fitting groove (152c) provided at a corner portion of a flange portion (152a) of a spool (152) with a coil wound therearound, and a lead-out line of the coil is entwined around a coil entwining portion (153a) projected from the flange portion (152a), and the coil entwining portion (153a) is bent and raised. Particularly, the coil entwining portion (153a) extends in an opposite direction of a press-fitting direction of the press-fitting portion so as to be able to be bent and raised, and a lead wire connecting portion (153b) extends laterally to the press-fitting direction so as to be able to be bent and raised.

Abstract: A transformer includes a magnetic core, a first coil unit and a second coil unit. The first coil unit is disposed within the magnetic core and includes a laminated board having layers laminated therein and conductive patterns. Respective ones of the conductive patterns are disposed on the laminated layers. The second coil unit includes a conductive wire spaced apart from the conductive patterns of the laminated board by an insulating distance. The conductive wire includes a triple-insulated wire surrounded by three sheets of insulating paper to maintain the insulating distance from the conductive patterns.

Abstract: A low cost, high performance electronic device for use in electronic circuits and methods. In one exemplary embodiment, the device includes an interleaved flat coil and coil winding arrangement that ensures low leakage inductance while using a combination of flat coil windings and self-bonded Litz coil windings. The flat coil windings further include features that are configured to mate with the header assembly terminal pins which substantially simplify the manufacturing process. Methods for using and manufacturing the aforementioned inductive devices are also disclosed.

Abstract: Methods for the manufacture of an electromagnetic coil assembly are provided. In one embodiment, the method includes joining a first end portion of a braided lead wire to a coiled magnet wire. A dielectric-containing material is applied in a wet-state over the coiled magnet wire and over the first end portion of the braided lead wire. The dielectric-containing material is cured to produce an electrically-insulative body in which the coiled magnet wire and the first end portion of the braided lead wire are at least partially embedded. Prior to application of the dielectric-containing material, the braided lead wire is at least partially impregnated with a masking material deterring wicking of the dielectric-containing material into an intermediate portion of the braided lead wire. In certain cases, the masking material may be removed from the braided lead wire after curing, and the electrically-insulative body may be sealed within a canister.

Abstract: A chip electronic component may include an insulating layer formed on a lower portion of a side surface of an internal coil pattern to avoid a direct contact between the internal coil pattern and a magnetic material, thereby preventing a waveform distortion indicating a reduction in inductance at high frequency.

Abstract: There are provided a coil component having external connecting terminals firmly coupled to a bobbin thereof, and a method of manufacturing the same. The coil component includes: a bobbin having a coil wound therein; and at least one external connecting terminal coupled to the bobbin so that one end thereof protrudes outwardly, wherein the external connecting terminal includes a terminal pin inserted into the bobbin and an extension part enlarges a cross-sectional area of the terminal pin in the bobbin.

Abstract: A coil component may be capable of being easily manufactured and significantly decreasing direct current (DC) resistance of its wiring. The coil component may include a coil assembly including a core substrate and coil patterns formed on the core substrate; and a magnetic material part embedding the coil assembly therein.

Abstract: There is provided a coil component capable of easily securing insulation between external connection terminals and a core at the time of being manufactured at a small size. To this end, the coil component includes: a bobbin including a winding part having a coil wound therein and a terminal coupling part having at least one external connection terminal coupled thereto, the at least one external connection terminal having a lead wire of the coil connected thereto; and a core coupled to the bobbin and electromagnetically coupled to the coil, wherein the bobbin includes at least one spacing block protruding between the external connection terminal and the core and extending a creepage distance between the external connection terminal and the core.

Abstract: A coil component containing a drum core having a winding column, and an upper flange and a lower flange at both ends of the winding column, and a conductive wire wound around the winding column, a ring-type core having a through-hole accommodate the drum core in the through-hole, a pair of metal terminals arranged at outer side surfaces of the ring-type core; wherein each of the metal terminals includes: a side surface portion arranged to face the side surfaces of the ring-type core; a top surface portion bent away from the side surface to the top surface of the core; and a bottom surface portion bent away from the side surface portion to bottom surface of the core; the top surface portion has a pair of claws extending toward the center of the through-hole, the claws being bent toward the inside surface of the through-hole.

Abstract: Disclosed are a coil component capable of securing insulation between primary and secondary coils while being miniaturized, a mounting structure thereof, and an electronic device having the same. The coil component includes a bobbin including a winding part around which coils are wound and first terminal fastening parts fastened to a plurality of first connection terminals; and a second terminal fastening part including terminal blocks protruded from the bobbin and a plurality of second connection terminals fastened to the terminal blocks, wherein the second terminal fastening part is mounted on a substrate while being spaced apart from the bobbin after the coils are wound therearound.

Abstract: An induction coil of a touch input device provided in the present invention includes a ribbon cable and a coupling device. The ribbon cable is disposed on a plane, and the ribbon cable has a first terminal and a second terminal and has a plurality of wires. The ribbon cable defines a sensing region on the plane by a plurality of bends. The coupling device is utilized to couple the wires at the first terminal and the second terminal such that the wires form a circuit with a plurality of turns wound by a single conducting wire. A touch input device is further provided in the present invention.

Abstract: A multi-phase coupled inductor includes a magnetic core formed of a powder magnetic material and first, second, third, and fourth terminals. The coupled inductor further includes a first winding forming at least one turn and at least partially embedded in the core and a second winding forming at least one turn and at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply.

Abstract: The present invention provides a transformer including a coiling frame, an iron core, and a fastener. There is a wire twining round the coiling frame, which has a through hole inside thereof. The iron core extends through the through hole and forms a magnet loop. The fastener comprises a first component and a second component. The first component connects with the second component in a horizontal direction thereby surrounding and fixing the coiling frame and the iron core. One advantage of the present invention is that the fastener fixing the coiling frame and the iron core has a split structure. The fastener is assembled with the coiling frame directly, and a combination of the coiling frame and the iron core need not be vertically assembled with the fastener so as to make the transformer assembling easier and avoid the size of the transformer troublesome.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a dielectric layer laminated on the magnetic substrate; an external electrode formed on the dielectric layer in such a way that one surface thereof is exposed to an outside; a conductive pattern formed on a surface of the dielectric layer so as to be located on a same plane as the external electrode and having one end thereof connected with the external electrode; an insulator film formed on a surface of the conductive pattern; and a magnetic layer formed on the insulator film so as to cover an upper surface and a lateral surface of the conductive pattern.

Abstract: An inductor device has a plurality of inductor windings arranged on a common magnetic core and electrically connected, parallel to one another, to a common connection at one end of the inductor windings. The inductor windings are implemented by a one-part coil form arranged on the common magnetic core and comprising the common connection of the inductor windings. The inductor windings are wound around their common connection and the common magnetic core.

Abstract: The present invention relates to a planar transformer, the transformer including a core provided to induce formation of a magnetic field, a bobbin coupled to a core, at least one primary winding interposed between the core and the bobbin to supply a power signal, a first insulation unit provided to the at least one primary winding to insulate the at least one primary winding, at least one secondary winding provided to the first insulation unit and insulated by the first insulation unit to transform the power signal, and a second insulation unit provided to the at least one secondary winding to insulate the at least one secondary winding.

Abstract: A chip component includes a magnetic substrate having ferrite layers, and an insulating layer disposed on the magnetic substrate and having an electrode disposed therein. An external electrode is connected to the electrode on the insulating layer. The magnetic substrate and the insulating layer have a chemical coupling structure formed on an interface therebetween. The chemical coupling structure includes Si—O—C or Si—O—N.

Abstract: There is provided a coil component having a significantly reduced size and able to be easily manufactured, the coil component including a winding part formed as a groove having a ring shape; a plurality of coils inserted into and wound in the winding part; and a sealing part filling an internal space of the winding part having the coils wound therein and embedding the coils therein.

Abstract: In one example embodiment, a programmable filter is provided, including a plurality of variable-inductance networks and a plurality of variable-capacitance networks. The programmable filter may be implemented in a classical filter topology, with variable-capacitance networks replacing discrete capacitors and variable-inductance networks replacing discrete inductors. An example variable-inductance network comprises a primary inductor with an intermediate tap, and secondary inductor connected at the intermediate tap, with switches for selecting an inductance.

Abstract: The present invention discloses an electronic package structure. The body has a top surface with a cavity thereon, the first conductive element is disposed in the cavity, and the second conductive element is disposed in the body. The first external electrode electrically connected to the first conductive element and the second external electrode electrically connected to the second conductive element are both disposed on the top surface of the body or a first surface formed by the top surface of the encapsulation compound and the exposed portions of the top surface of the body which are not covered by the encapsulation compound.

Abstract: A system includes a first connector coupled to a first surface of a substrate. The first connector enables the system to be electrically coupled to a first device external to the substrate. The system includes a second connector coupled to a second surface of the substrate. The system also includes a plurality of conductive vias extending through the substrate from the first surface to the second surface. The plurality of conductive vias surrounds the first connector and the second connector. The plurality of conductive vias is electrically coupled together to form a toroidal inductor. A first lead of the toroidal inductor is electrically coupled to the first connector. A second lead of the toroidal inductor is electrically coupled to the second connector.

Abstract: An electronic component includes a first magnetic substrate provided with a first notch portion and a second notch portion, a multilayer body, a coil which includes a coil portion, a first lead portion, and a second lead portion. The first lead portion and the second lead portion are connected to the two end portions of the coil portion and overlap the first notch portion and the second notch portion, respectively. The electronic component further includes a first outer electrode and a second outer electrode, a first connection portion and a second connection portion which connect the outer electrodes to the lead portions. Particles are disposed at joint portions of the lead portions and the connection portions and have a coefficient of linear expansion smaller than the coefficients of linear expansion of the first lead portion, the second lead portion, the first connection portion, and the second connection portion.

Abstract: Embodiments of a method are provided for joining a secondary wire to a magnet wire, such as a fine gauge aluminum or silver wire. Further provided are embodiments of a disparate wire splice connector and embodiments of an electromagnetic coil assembly including such a splice connector. In one embodiment, the electromagnetic coil assembly includes disparate wire splice connector having a first blind bore and a second blind bore. A coiled magnet wire having a segment inserted into the first blind bore is soldered to the disparate wire splice connector. A secondary wire having a segment inserted into the second blind bore is also soldered to the disparate wire splice connector such that the secondary wire is electrically coupled to the coiled magnet wire through the disparate wire splice connector.

Abstract: A transformer includes a bobbin, at least one primary winding coil, at least one secondary winding coil, and a magnetic core assembly. The bobbin includes a main body, plural extension structures, and plural pin groups. The main body includes a channel, plural winding sections, a first connecting seat, and a second connecting seat. The plural extension structures are connected with the first connecting seat and the second connecting seat, respectively. In addition, each of the plural extension structures has a notch and a stepped structure, and the stepped structure comprises plural stepped parts. Each of the primary winding coil and the secondary winding coil includes plural outlet terminals. The plural outlet terminals of the secondary winding coil are respectively disposed on the plural stepped parts of the stepped structure and fixed on the pin group which is disposed on one of the extension structures.

Abstract: Disclosed herein is a multilayer type inductor, including: a ceramic body formed by multilayering a plurality of ceramic sheets; internal electrodes multilayered, having the ceramic sheet disposed therebetween; a dummy pattern disposed on any one of upper and lower surfaces of the ceramic body; and external terminals disposed at both ends of the ceramic body, whereby an inductance value is finely controlled.

Abstract: A multilayer coil component has an element body, a coil, a pair of first external electrodes, a pair of second external electrodes, a first connection conductor, and a second connection conductor. The coil is composed of a plurality of internal conductors arranged in the element body and connected to each other. The first external electrodes are arranged on a first principal face of the element body. The second external electrodes are arranged on the first principal face. The first connection conductor is arranged between the coil and the first external electrodes in the element body and is connected to one end of the coil and to the first external electrodes. The second connection conductor is arranged between the coil and the second external electrodes in the element body and is connected to the other end of the coil and to the second external electrodes.

Abstract: A transformer includes a core inducing a magnetic field and including an upper core and a lower core; a first insulating part in an inner side of the core; a secondary winding part in an upper portion of the insulating part, a part of the secondary winding part being exposed out of the core; a second insulating part in an upper portion of the secondary winding part to insulate the second winding part; a primary winding part in an upper portion of the second insulating part; and a film between the upper core and the lower core.

Abstract: A method of forming a planar, low loss electrical component such as an inductor or transmission line is provided. A channel can be formed on a top surface of a substrate. A threading plate can be positioned on an upper surface of the channel. A wire or fiber can be introduced through the substrate, the channel, and the threading plate. The wire or fiber can then be guided into the channel using the threading plate. The substrate and the threading plate can then be removed.

Abstract: A transformer that improves the DC superposition characteristic without incurring eddy-current losses. In the transformer, a part of a plate-like core opposing a top face of a flange of a drum core is formed with a first opposing portion opposing none of input and output terminals and a second opposing portion opposing the input and output terminals. A first gap is formed between the top face and the first opposing portion by a spacer. A second gap greater than the first gap is formed by a recess of the plate-like core provided so as to correspond to the second opposing portion. This allows magnetic fluxes to pass between the top face and the first opposing portion where the gap is formed and inhibits them from passing between the plate-like core and the input and output terminals where the second gap greater than the first gap is formed.

Abstract: An inductor includes an inductor body having a top surface and a first and second opposite end surfaces. There is a void through the inductor body between the first and second opposite end surfaces. A thermally stable resistive element positioned through the void and turned toward the top surface to forms surface mount terminals which can be used for Kelvin type sensing. Where the inductor body is formed of a ferrite, the inductor body includes a slot. The resistive element may be formed of a punched resistive strip and provide for a partial turn or multiple turns. The inductor may be formed of a distributed gap magnetic material formed around the resistive element. A method for manufacturing the inductor includes positioning an inductor body around a thermally stable resistive element such that terminals of the thermally stable resistive element extend from the inductor body.

Abstract: A coil assembly is provided, comprising a coil former, a coil, and a connection block which is pivotally joined to the coil former. The coil is wound while the connection block is pivoted away, the winding wire ends are soldered to the terminal pins, and the connection block is pivoted close to the coil.

Abstract: A coil component is provided with a coil, a base supporting the coil having a first surface parallel to an extending direction of the terminal section of the coil, and a terminal electrode having a first terminal portion printed on the first surface of the base. The first surface has a stepped surface including an upper stage surface and a lower stage surface. The first terminal portion has a stepped shape including an upper stage portion formed on the upper stage surface and a lower stage portion formed on the lower stage surface. The upper stage portion has a first terminal surface contacting the terminal section of the coil. The lower stage portion has a second terminal surface positioned on an extension line of the terminal section of the coil and not contacting the terminal section of the coil.

Abstract: Disclosed herein is a multilayer type inductor for implementing high quality factor (Q factor), and more particularly, a multilayer type inductor, including: a ceramic body formed by laminating a plurality of ceramic sheets; a coil electrode provided between the ceramic sheets and having an outer peripheral formed in a curved surface; and a pair of external terminals provided at both side portions of the ceramic body.

Abstract: Semiconductor packages with air core inductors (ACIs) having metal-density layer units of fractal geometry are described. In an example, an inductor structure includes a stack of metal loops. One or more input terminals is coupled to the stack of metal loops. One or more output terminals is coupled to the stack of metal loops. One or more metal-density layer units is disposed above and over the stack of metal loops. At least one of the metal-density layer units has a fractal geometry.

Abstract: An inductive component is disclosed. The inductive component comprises a magnetic body and a coil in the magnetic body, wherein a first protrusion and a second protrusion are formed on the bottom surface of the magnetic body, wherein the first protrusion comprises a first electrode disposed on the peak surface of the first protrusion, and the second protrusion comprises a second electrode disposed on the peak surface of the second protrusion, wherein the first electrode and the second electrode are electrically connected to a first end and a second end of the coil, and a space is formed by the first protrusion, the second protrusion and the bottom surface of the magnetic body for accommodating electronic devices.

Abstract: A transformer has two magnetic cores, at least one primary winding unit mounted in the magnetic cores, at least one secondary winding unit mounted in the magnetic cores and two rectifying circuit boards externally mounted beside the magnetic cores. An AC voltage output from the secondary winding unit is transmitted to and rectified by the rectifying circuit board. Therefore, the size of the transformer is compact, and heat energy generated by electronic elements mounted on the rectifying circuit board is effectively dissipated to maintain normal operation of the transformer. Further, since the transmission path from the secondary winding unit to the rectifying circuit board is short, energy loss is reasonably reduced when the transformer is operated under a high frequency situation or a larger current mode.

Abstract: This wiring board is provided with an insulating core substrate, a first conductor pattern, a second conductor pattern, and a conductive material. The first conductor pattern and the second conductor pattern are adhered to the insulating core substrate. The second conductor pattern has a first surface and a second surface. The second conductor pattern has a concavity and a through-hole. The opening of the concavity that opens to the first surface and the opening of the through hole that opens to the first surface are interconnected to each other. The first conductor pattern is positioned at the opening of the concavity. The first conductor pattern and the second conductor pattern are electrically connected by means of the conductive material, which fills from the opening of the through hole that opens to the second surface.

Abstract: A chip electronic component may include: a magnetic body including an insulating substrate; internal conductive pattern parts disposed on at least one surface of the insulating substrate; external electrodes disposed on the magnetic body and connected to the internal conductive pattern parts; and an additional magnetic layer disposed on a bottom surface of the magnetic body and covering portions of the external electrodes disposed on the bottom surface of the magnetic body.

Abstract: A transformer hybrid is disclosed. The transformer hybrid comprises a substrate, a first conductor, a second conductor, a first coil, and a second coil. The first conductor includes a first elongate portion having a first side and a second side. The second conductor includes a second elongate portion having a third side and a fourth side, and the orientation of the second conductor intersects with that of the first conductor. The first coil is located near the first side and the third side. The second coil is located near the first side and the fourth side. When the direction of the loading current in the first coil is the same with that in the second coil, the first conductor has an inductive electromotive force. When the direction of the loading current in the first coil is different from that in the second coil, the second conductor has another inductive electromotive force.

Abstract: In a coil component, a shortest distance from a longitudinal wall of a flange portion of a drum core to a wire fixing portion is smaller than a shortest distance of the longitudinal wall to an electrode wire connecting portion by a convex portion formed at the longitudinal wall of the flange portion. That is, since a gap between the flange portion of the drum core and the wire fixing portion is small (or there is no gap), the wire fixing portion can be sufficiently bent. Accordingly, the wire can be securely fixed by a wire fixing portion of a metal terminal.

Abstract: A core for a wire-wound electronic component. The core has a winding base to be wound with a wire, and flanges located at both ends of the winding base in an extending direction of the winding base. The flanges protrude from the winding base in a first direction perpendicular to the extending direction. Each of the flanges has a plurality of protrusions on a first surface at a side of the flange in the first direction. An inclined surface is provided to extend from the first surface of each of the flanges to a second surface of the winding base at a side of the winding base in the first direction.