Abstract: A Nb3Sn superconducting coil can be formed from a wire including multiple unreacted strands comprising tin in contact with niobium. The strands are wound into a cable, which is then heated to react the tin and niobium to form a cable comprising reacted Nb3Sn strands. The cable comprising the reacted Nb3Sn strands are then mounted in and soldered into an electrically conductive channel to form a reacted cable-in-channel of Nb3Sn strands. The cable-in-channel of reacted Nb3Sn strands are then wound to fabricate a superconducting coil. The Nb3Sn superconducting coil can be used, for example, in a magnet structure for particle acceleration. In one example, the superconducting coil is used in a high-field superconducting synchrocyclotron.

Abstract: A method of forming a transformer coil, wherein first and second fibrous layers are provided. Each of the first and second fibrous layers includes a fabric formed from a plurality of interconnected fibers and a plurality of spacers affixed to the fabric and protruding therefrom. A conductor layer is disposed over the first fibrous layer such that a first side of the conductor layer contacts the spacers of the first fibrous layer. The second fibrous layer is disposed over the conductor layer such that a second side of the conductor layer contacts the spacers of the second fibrous layer. A resin is applied so as to cover the conductor layer and the first and second fibrous layers.

Abstract: A coil component comprises: a core having a winding core portion, and a first flange and a second flange arranged at both ends of the winding core portion; a winding arranged in a region flanked by the first and second flanges, and wound so as to be in contact with the winding core portion; and a cover portion arranged in a region flanked by the first and second flanges, so as to cover the winding. The cover portion has a first cover portion comprising a resin cured product containing a magnetic material; and a second cover portion comprising a non-magnetic material. The second cover portion is interposed at least between the first flange and the first cover portion.

Abstract: An electrical induction device for high voltage applications, of the type comprising a magnetic core which has at least one leg and is operatively coupled to a supporting structure, at least one inner winding which is arranged around said leg and has a first rated voltage, at least one outer winding which is arranged around said at least one inner winding and has a second rated voltage; and electrically insulating means, wherein said at least one inner winding comprises a plurality of substantially concentric turns formed by a sheet of electrically conducting material which is spirally wound, and in that said electrically insulating means comprise at least one layer of electrically insulating material which is arranged between mutually facing surfaces of said concentric turns, and first shaped insulating means which edge, at least partially, at least one of the upper and lower external rims of said inner winding.

Abstract: A coil unit includes a planar coil, a magnetic member that is provided under the planar coil, a magnetic flux leakage prevention member that is provided under the magnetic member, and a heat sink that is provided under the magnetic flux leakage prevention member. The magnetic flux leakage prevention member is electrically insulated from the heat sink. The magnetic flux leakage prevention member is insulated from the heat sink using a double-sided adhesive tape, for example. Since the heat sink dissipates heat generated from the planar coil and is electrically insulated from the magnetic flux leakage prevention member, the heat sink does not function as a member which receives a magnetic flux.

Abstract: Coil frames and transformers are provided. A coil frame includes a sub-coil-frame and an extended frame. The sub-coil-frame is utilized for winding a metal coil thereon. The extended frame is attached to the sub-coil-frame. The extended frame has a hole and a protrusion. The hole of the coil frame can be connected with the protrusion of another coil frame.

Abstract: A transformer coil assembly includes a first layer having a plurality of fibers interconnected to form a fabric and a plurality of spacers. Each spacer is affixed on a first side of the spacer to the fabric and protruding from a first surface of the fabric. A second layer has a conductor in contact with at least one of the plurality of spacers on a second side of each spacer that opposes the first side. The first and second layers are covered by resin.

Abstract: A micro-electromechanical system (MEMS) inductor is formed in a saucer shape that completely surrounds a magnetic core structure which is formed from a ferromagnetic material. In addition, an array of MEMS inductors can be formed by dividing up the saucer-shaped MEMS inductor into a number of electrically-isolated MEMS inductor wedges.

Abstract: A transformer includes a bobbin, an iron core and two spiral flat windings. The bobbin has a primary side portion, a secondary side portion and a separating plate. The separating plate is provided between the primary side portion and the secondary side portion. The first, second and third through holes are in communication with each other. The iron core penetrates the first, second and third through holes. The spiral flat winding is formed from a plurality of flat loops. The two spiral flat windings are provided on both sides of the separating plate and surround the primary side portion and the secondary side portion. Via the above arrangement, the spiral flat winding can be disposed around the bobbin, so that the assembling process can be performed simply and quickly. Thus, the working hours for assembling and the cost can be reduced.

Abstract: An integrated structure of passive elements in an LLC resonance converter realized by flexible circuit boards includes a closed magnetic circuit formed by first and second magnetic cores, a tubular, double-sided, flexible circuit board, tubular magnetic-material layer and tubular, single-sided, flexible circuit board. The single-sided circuit board is coaxially sleeved in turn from inside outwards on a magnetic core column of the closed magnetic circuit. The tubular, double-sided, circuit board is a laminated plate material formed in turn of a first insulating layer, first copper foil, insulating medium layer, second copper foil and second insulating layer. The tubular, single-sided, circuit board is a laminated plate material formed in turn of a third insulating layer, third copper foil and fourth insulating layer. The integration of a resonance capacitor, resonance inductor, shunt inductor and transformer in a LLC resonance converter is realized by using these flexible circuit boards.

Abstract: A coil bobbin has a cylindrical portion around which a coil winding is wound. The coil winding is comprised of coil members of an end-defined ring shape, the coil members have indentations indented outwardly in part of their inner periphery, and circumferential positions of the indentations are coincident with those of the indentations. Claws and flanges protruding outwardly are integrally provided at both ends of the cylindrical portion, and the cylindrical portion is inserted into openings of the coil members so that the claws pass through the indentations. In a state in which the claws are located out of the coil member, the cylindrical portion is rotated whereby the coil winding is interposed between the claws and the flanges.

Abstract: A high-voltage generating transformer for a discharge lamp lighting apparatus according to the present invention includes a rodlike core; a secondary winding bobbin that is divided into a plurality of sections, and where the core is disposed in the central portion thereof; a secondary winding part wound on the secondary winding bobbin, divided between the plurality of sections of the bobbin; a primary winding bobbin disposed around the outer periphery of the secondary winding part; and a primary winding part wound on the primary winding bobbin; wherein the primary winding bobbin is changed in thickness every section or every plurality of sections of the second winding part such that the bobbin has a thickened thickness on the side where the potential difference between the primary winding part and the secondary winding part is high, and the bobbin has a thinned thickness on the side where the potential difference is low.

Abstract: In one embodiment, a choke coil has a magnetic core, a coil, and magnetic material. The core has a first permeability which is from about 350 to 1200. The coil is wrapped around the core. The magnetic material surrounds the coil and has a second permeability. The first permeability is higher than the second permeability. The second permeability is from about 5 to 30.

Abstract: A manufacturing method for the inductor/transformer is disclosed. A simulator is used to simulate the inductance, the quality factor, and the self-resonance frequency of said inductor/transformer to generate at least one group of the area size, the number of the conductive layer, the line width, the number of turns, and/or the line space of the conductive layers and the first conductive layer; the inductor/transformer is manufactured according to the factors. Thereafter, the Monte-Carlo simulation is used to initiate the process variability analysis of the factors of the conductive layer and the first conductive layer, and the geometric size of the inductor/transformer can be modulated according to the results of the process variability analysis during the manufacturing process, such that the inductor/transformer can be manufactured by the process of the generic logic circuit.

Abstract: The present invention relates to a slotless winding for a rotating electric machine and a manufacturing method thereof. The slotless winding includes at least one flexible printed circuit board having at least one circuit, and one piece of flexible printed circuit board(s) is curved or a plurality of pieces of flexible printed circuit board(s) is mutually combined to form a barrel shape, thereby simplifying the procedure of manufacturing the slotless winding, improving production speed and reliability, and enabling diversified designing schemes to meet the demands of the rotating electric machine. In addition, it is not necessary for the coil winding to be cured for assembling, and assembling yield is thus enhanced.

Abstract: An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region has a winding reel for a pre-formed wire set to sleeve on while the secondary side region is divided into a plurality of winding grooves by a plurality of partitions for placing a wire in the grooves, and an iron core set is set on the outside of the winding base and the hollow structure, which altogether form an transformer. In the present invention, an pre-formed wire set is sleeved on a primary side winding reel, therefore, the costs of traditional hand-winding will be displaced, and the manufacturing quality and usage stability of transformers will be effectively improved as well.

Abstract: An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region has a winding reel for a pre-formed wire set to sleeve on while the secondary side region is divided into a plurality of winding grooves by a plurality of partitions for placing a wire in the grooves, and an iron core set is set on the outside of the winding base and the hollow structure, which altogether form an transformer. In the present invention, an pre-formed wire set is sleeved on a primary side winding reel, therefore, the costs of traditional hand-winding will be displaced, and the manufacturing quality and usage stability of transformers will be effectively improved as well.

Abstract: An arrangement has an inductive component with at least one insulating support (1), a magnet core (10, 16), and a winding. The support is provided with several layers (2, 3) of strip conductors which are separated from each other by at least one insulating layer (4). The magnet core is inserted into a cavity (9) of the support, between two layers of strip conductors. Pieces of conductors (5) from both layers are combined especially with through connections to form conductor windings which surround the magnet core.

Abstract: The present invention provides a power transmission transformer of which workability in implementing and reliability of connection are considered in a noncontact power transfer device using individual self-oscillation circuits. The power transmission transformer for a noncontact power transfer device including a transmitting coil L1 and a drive coil L2 for self-oscillation on a power transmission device side includes a bobbin in which the transmitting coil and the drive coil L2 are disposed, in which the transmitting coil and the drive coil L2 are configured by an air-core coil using self-bonding wire, and the bobbin 1 includes a winder spindle 1a, 1b on both surfaces opposed to each other across a collar 2 formed of a flat plate, and a mating portion 3 for mating with an external portion in an end portion of the winder spindle 1b, and the drive coil L2 is mounted on the winder spindle 1b and the transmitting coil L1 is mounted on the other, opposed winder spindle 1a across the collar.

Abstract: The coil form according to the invention for forming an inductive element includes a hollow cylindrical mantle portion, two flange portions and a slit. The flange portions and the mantle portion form a winding chamber for winding therein a wire that forms a first winding or a part of a first winding of the inductive element. The coil form, which is completely made of copper, forms a second coil or a winding of a second coil of the inductive element. Due to the increased contact surface between the first and the second coil the heat dissipation capabilities and the magnetic coupling between the coils are increased. This in turn results in an increased power density of the inductive element.

Abstract: An integrated structure of passive elements in an LLC resonance converter realized by flexible circuit boards includes a closed magnetic circuit formed by first and second magnetic cores, a tubular, double-sided, flexible circuit board, tubular magnetic-material layer and tubular, single-sided, flexible circuit board. The single-sided circuit board is coaxially sleeved in turn from inside outwards on a magnetic core column of the closed magnetic circuit. The tubular, double-sided, circuit board is a laminated plate material formed in turn of a first insulating layer, first copper foil, insulating medium layer, second copper foil and second insulating layer. The tubular, single-sided, circuit board is a laminated plate material formed in turn of a third insulating layer, third copper foil and fourth insulating layer. The integration of a resonance capacitor, resonance inductor, shunt inductor and transformer in a LLC resonance converter is realized by using these flexible circuit boards.

Abstract: A spiral inductor with a multi-trace structure having an insulating layer disposed on a substrate. A first spiral conductive trace with multiple turns is disposed on the insulating layer, wherein the outermost turn and the innermost turn of the first spiral conductive trace have a first end and a second end, respectively, and one of the first and second ends is connected to ground. A second spiral conductive trace with a single turn is disposed on the insulating layer and adjacent to the first spiral conductive trace, wherein the second spiral conductive trace is electrically connected to the turn that is connected to the ground and belongs to the first spiral conductive trace. The first spiral conductive trace has a relative outside and a relative inside, wherein the end of the first spiral conductive trace connected to ground and the second spiral conductive trace are located at different sides respectively.

Abstract: A magnetic pole comprised of a core (301) and a winding (314) for magnetically levitated vehicles is described. According to the present invention, the winding (314) is comprised of at least two discs (315, 316) that consist of conductor strips wound in several layers around said core (301). The individual layers are electrically insulated by way of first insulation layers (303, 310, 321) radially against each other and against said core (301), while the individual discs (315, 316) are electrically insulated against each other axially by at least a second insulation layer (317) (FIG. 3).

Abstract: Coil frames and transformers are provided. A coil frame includes a sub-coil-frame and an extended frame. The sub-coil-frame is utilized for winding a metal coil thereon. The extended frame is attached to the sub-coil-frame. The extended frame has a hole and a protrusion. The hole of the coil frame can be connected with the protrusion of another coil frame.

Abstract: A winding for a transformer or a coil having a ribbon electrical conductor and an insulating material layer composed of ribbon insulation material wound jointly to form turns around a winding core. The individual turns of the winding have a predetermined winding angle with respect to a winding axis of the winding core and are disposed such that they partially overlap one another. An insulating layer is inserted between two radially adjacent layers of the turns. Furthermore, a thickness of the insulating layer is locally matched to the voltage difference determined there. In addition, the thickness of the insulating layer is locally matched, the thickness being interchanged in sequence of the method A+B determined there, to the voltage difference between the two relevant radially adjacent layers at the relevant axial point.

Abstract: A high-voltage transformer includes a bobbin that holds a core at its center. This bobbin has eight winding grooves arrayed along the central axis of the core. A primary coil is wound around each of two outermost winding grooves with a predetermined number of turns. A secondary coil is wound around the six winding grooves near the center with a predetermined number of turns, which are distributed among these winding grooves. The cathode of a diode is connected through a terminal to one end of the secondary coil where the winding starts, while the anode of another diode is connected through another terminal to the other end of the secondary coil where winding ends.

Abstract: The invention provides an apparatus and manufacturing methods useful in the manufacture of large transformer cores, particularly, in the manufacture of large transformer cores made of a ferromagnetic material, especially of annealed amorphous metal alloys. The invention further provides transformer cores produced utilizing the inventive apparatus and manufacturing methods, as well as finished transformers which include such transformer cores.

Abstract: A micro device includes a first magnetic layer, a second magnetic layer and a thin film coil. The first magnetic layer and the second magnetic layer are formed so as to be opposite to each other and magnetically connected via a joint. The thin film coil includes a planer round portion winding around the joint in between the first and the second magnetic layers and a perpendicular round portion provided perpendicularly to the planer round portion.

Abstract: A method of manufacturing an improved comb for a disk wound transformer. The method comprises the steps of providing a web of cellulose material; removing a portion of the cellulose material to create a plurality of longitudinal slits along the length of the web, wherein the longitudinal slits have a fixed length and width; and folding the web along a line proximate the midpoint of the length of each of the longitudinal slits such that the cellulose material adjacent the longitudinal slits defines a plurality of tooth members.

Abstract: An electromagnetic coupling apparatus includes a ring case, a coil and a connector. The ring case has an annular groove. The coil is an electrical wire and is disposed in the annular groove of the ring case. An opening is formed through the ring case in its closed end surface. The connector is disposed on the closed end surface of the ring case and covers the opening. Each of a first end and a second end of the coil are connected to one of a pair of lead wires, respectively, of an electric circuit via one of a pair of contacts, respectively in the connector. The connector has a housing supporting the first and the second ends of the coil and the contacts and a cap closing an end opening of the housing. The coil is covered substantially by an annular resin case, and the housing is formed integrally with the annular resin case.

Abstract: Apparatus and manufacturing methods are provided which are useful in the manufacture of large transformer cores, particularly, in the manufacture of large transformer cores made of a ferromagnetic material, especially of annealed amorphous metal alloys. Further provided are transformer cores produced utilizing the disclosed apparatus and manufacturing methods, as well as finished transformers which include such transformer cores.

Abstract: An electronic component is constructed to prevent Cu elution to a solder from a wire, and also prevents the wire from becoming thin and being broken. A chip coil includes electrodes provided at both ends of a core. The electrodes include an underlying metal layer (Ag), a Ni plated layer, and a Sn—Cu plated layer arranged in this sequence from the bottom thereof. Ends of a wire are embedded in the Sn—Cu plated layer of the electrodes by thermal compression bonding.

Abstract: The invention specifies a diode-split high-voltage transformer having a core, a primary winding and a high-voltage winding, which is arranged in chambers of a coil former, in which the chambers with the high-voltage winding lie below the primary winding, a conductive coating is arranged on the surface of the inner cavity of the coil former, and by virtue of a corresponding arrangement and wiring of the chambers, oscillations arising during operation in the high-voltage transformer induce capacitive currents on the conductive coating, the sum of which capacitive currents results approximately to zero. This can be achieved, for example in that by virtue of a symmetrical arrangement and wiring of the chambers with regard to the diodes, the oscillations induce capacitive currents on the conductive coating which occur in pairs with the same amplitude but in antiphase and thereby cancel one another out.

Abstract: A conductor is wound around a magnetic core to form a plurality of conductor turns. The conductor turns are spaced from one another by a substantially equal spacing d. An insulating layer is disposed between the conductor turns and the magnetic core. An insulating member is wound around the magnetic core in such a manner as to be located in the spaces between and in contact with adjacent ones of the conductor turns.

Abstract: In accordance with the invention, a low profile magnetic device comprises a crelenated ferrite body having first and second conductive paths winding around the body. Current applied to one of the conductive windings can adjust the threshold current level in the other conductive winding at which the inductance characteristic changes to a relatively constant inductance.

Abstract: A controllable inductor comprises at least a tubular core (3), a main winding (1) surrounding the core and a control winding (4) passing substantially axially through the core. It also comprises a yoke (19) of a material having a high magnetic permeability arranged to extend outside the core and the main winding and together with the core form a closed loop having at the most small air gaps for a main magnetic flux generated in the core by a current in said main winding and extending substantially axially to the core. The control winding comprises first plates of a material having a good electric conductivity extending substantially axially through the core.

Abstract: In a first embodiment, an ignition coil includes a disk-shaped primary coil section having a primary coil winding wound thereon and a disk-shaped secondary coil section having a secondary coil winding wound thereon, the primary coil section and secondary coil section facing each other. A core of each winding is aligned with each other to form a coil member. The coil member has a thickness parallel to the thickness direction of the primary and secondary coil sections of from about 10 mm to about 25 mm. The coil member has radial core sections installed on its lower and upper surfaces and is accommodated inside a case member and fixed to the case member by insulation resin injected into the case member. In a second embodiment, a coil winding is wound between upper and lower flange portions of a primary coil winding seat. The axial width of the coil winding is substantially equal to the interval between the pair of flanges.

Abstract: Embodiments include a method for depositing material onto a workpiece in a sputtering chamber. The method includes sputtering a target and a coil in said sputtering chamber. The coil may have a preformed multilayer structure formed outside of the sputtering chamber. The outer layer of the coil may act as a secondary source of deposition material. The multilayer structure may be formed with an inner region or a base metal and an outer layer of a sputtering metal. The outer layer may be formed using a process such as plasma spraying, arc spraying, flame spraying, ion plating, chemical vapor deposition and electroplating.

Abstract: To simplify coil production, in particular coils used for high-voltage transformers, a conductor is wound on to a winding form. The conductor comprises a plurality of conductor portions. The conductor portions overlap one another partially and are insulated from one another. A conductor and a winding arrangement can be produce with this method.

Abstract: A wire-wound chip inductor includes a wire holding member having a core portion with a wire wound therearound and flange portions extending from both ends of the core portion in the axial direction, and a magnetic plate attached to the wire holding member to connect the flange portions. The width of the core portion and the width of the flange portions are substantially equal to each other, and the width of the magnetic plate is larger than the widths of the core portion and the flange portions. Preferably, the width of the magnetic plate is larger than the width of the outer form of the wire, and the magnetic plate has a pair of side wall portions extending from both widthwise ends thereof so as to sandwich the flange portions.

Abstract: A step-up coil of a high-voltage transformer for powering a cathode-ray tube comprises windings housed in chambers of a coil former. These windings are made in pairs. The inner end of the first winding of the pair is connected to an electrode of a first diode, the inner end of the second winding of the pair is connected to the electrode of like nature of the second diode, or alternatively, the outer end of the first winding of the pair is connected to an electrode of the first diode, the outer end of the second winding of the pair being connected to the electrode of like nature of the second diode. The inter-winding capacitances of the windings of the pair are thus non-activated, the corollary of this being a decrease in the value of stray oscillations of the output voltages.

Abstract: The invention relates to an coil former and at least one wire winding arranged on the coil former, the coil former (1) having a cylindrical sleeve (1a) whose cylinder axis runs parallel to the winding axis (A—A) of the at least wire winding, and at least two side walls (1b, 1c) arranged perpendicularly to the winding axis (A—A), and the cylindrical sleeve (1a) and the side walls (1b, 1c) forming at least one winding space for the at least one wire winding (2, 3). According to the invention, the at least two side walls (1b, 1c) each have at least one shoulder (1d, 1e), which subdivide the at least one winding space into a non-constricted first region (B1) and into at least one constricted second region (B2). In addition, the inductance element has electrical insulation (5), which bears on the at least one shoulder (1d, 1e) of the side walls (1b, 1c) and separates the non-constricted first region (B1) from the at least one constricted second region (B2).

Abstract: For packaging an electric circuit of the kind having a coil or coils in addition to electronic components such as transistors, diodes, and capacitors, a plastic molding is provided which comprises a bobbin with a pair of flanges on its opposite ends. The coils are wound on the bobbin and retained in position thereon by the flanges. The electronic components of the circuit, such as transistors and diodes, are all integrally embedded in one of the flanges and electrically connected to sheet-metal terminals which also are partly embedded in the same flange.

Abstract: A winding-type chip inductor having an approximately rectangular parallelepiped shape and improved appearance is provided having external electrodes installed directly on a core which is adaptable to a bulk mounting of one-by-one system by a chip mounter. This chip inductor comprises a core consisting of a winding core and rectangular flanges, a first conductive film layer installed directly on the flanges, a winding wound around the winding core with both ends of the winding conductively fixed to the first conductive film layer, and an external covering material covering the outer periphery of the winding and shaped in a rectangular fashion.

Abstract: A transformer includes a divided primary winding in an isolating transformer power supply circuit and a secondary winding between the parts of the primary winding, a magnetic core having an air gap, and a bobbin surrounding the core with the individual windings applied to it, the transformer has a row of terminal posts to which the windings are connected is designed so that the primary winding is divided into at least three partial windings. The, the secondary winding that is under the highest load for the longest period of time is divided into at least two partial windings, the partial windings of this load secondary winding are enclosed by two partial windings of the minimum of three partial windings of the primary winding on the bobbin, and optionally one or more additional secondary windings are arranged outside the winding structure of the partial windings of the primary winding and load secondary winding.

Abstract: A variable linearity coil has a coil which is wound around a first core, a permanent magnet for charging a bias magnetic field to the first core, a bias magnetic field adjusting coil which is wound around a second core, and an electrically insulating base for mounting thereon the coil, the permanent magnet, and the magnetic field adjusting coil. The first core and the second core are placed one on top of the other with a non-magnetic and shock-absorbing spacer in between. Alternatively, the first core and the second core may be placed one on top of the other with a non-magnetic spacer in between, and a combination of the first core, the second core and the non-magnetic spacer is mounted on the base with a shock-absorbing spacer between the combination and the base.

Abstract: An integral low profile inductive device includes a magnetic body having opposing face surfaces, opposing side surfaces extending between the face surfaces, and opposing end surfaces extending between the side surfaces. A recessed surface is defined in each of the side surfaces of the body. A continuous winding of conductive material extends across the recessed surfaces and face surfaces of the body. Each of the recessed surfaces can be crenelated with alternating secondary recesses and projections such that the winding passes over the secondary recesses as it extends across the side surfaces of the body or over the projections between the secondary recesses. The device can include one or more continuous windings each of at least one turn.

Abstract: A transformer has a bobbin made of a resin material having flanges (2a to 2f) formed thereon, at least three chambers defined between the adjacent flanges. A primary auxiliary winding (P2), which supplies an electric power to an drive-control and overvoltage protection circuit and a primary excitation winding (P1-1) are wound on the chambers (3a and 3c) with at least one chamber (3b) disposed therebetween. A secondary winding (S2) which consumes the electric power always is wound on the chamber (3b) between the chambers (3c and 3a) on which the primary excitation winding (P1-1) and the primary auxiliary winding (P2) are wound.

Abstract: The present invention provides a small, light-weight converter transformer of high efficiency which has an excellent noise characteristic, a high coupling and good output voltage characteristic, low temperature-rise and a high reliability, for use in a switching power supply to be built in an electronic appliance.

Abstract: A low profile inductive component in accordance with the disclosure set forth here comprises a low profile body having spread apart soldering pads for electrically and mechanically attaching the structure to a printed circuit board and defining an aperture between the pads. A magnetic core is disposed in the aperture. A wire is wound around the core having a first and second end connected to the pads. One end of the core is disposed in the aperture of the low profile body and its other end, which is larger than the aperture, is spaced from the body by spacers extending from the body.