Abstract: Provided is an inductor capable of adjusting an inductance in dozens of nH increments without requiring a large number of components. The inductor includes: a conductor; a first core body and a second core body each having an opposed surface, the opposed surface of the first core body and the opposed surface of the second core body facing each other so as to enclose the conductor; and a holding part provided with a slide surface for varying an opposed area of the opposed surfaces of the first core body and the second core body, for holding at least one of the first core body and the second core body at a desired position.

Abstract: A magnetic element including a first core and a second core each of which has a winding core provided with a flange portion having a flange surface at least at one end thereof; and an intermediate core to form a closed magnetic circuit which is disposed between said first core and said second core in a manner being integrally connected with said first core and said second core.

Abstract: A magnetic assembly includes a mounting substrate and a magnetic element mounted on the mounting substrate. The magnetic element includes a drum core provided with a flange portion at each end of a winding shaft, a coil wound on the winding shaft, and a shield core engaged with the drum core, the shield core including an engagement portion having a shape that corresponds to the shape of a portion of the outer circumference of at least one of the flange portions so that the engagement portion mates with the at least one flange portion.

Abstract: To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic element has a core unit provided with a wound coil, a center core 105 inserted into the interior of the inner periphery of the coil, planar cores disposed at both ends of the center core, and a side core disposed between the planar cores and on the outside periphery of the coil. The side core is disposed so as to form an open portion between the two planar cores around the coil, with a recessed portion formed in a surface of the side core facing the coil in which the coil is partially contained.

Abstract: A magnetic element includes a drum core provided with a flange portion having a flange surface at each end portion of a winding shaft, a coil wound on the winding shaft, a terminal to connect each end portion of the coil, and a shield core provided with an engagement portion having such a shape that partially fits in along an outer circumference of the flange portion.

Abstract: Provided is an inductor capable of adjusting an inductance in dozens of nH increments without requiring a large number of components. The inductor includes: a conductor; a first core body and a second core body each having an opposed surface, the opposed surface of the first core body and the opposed surface of the second core body facing each other so as to enclose the conductor; and a holding part provided with a slide surface for varying an opposed area of the opposed surfaces of the first core body and the second core body, for holding at least one of the first core body and the second core body at a desired position.

Abstract: A magnetic assembly includes a mounting substrate and a magnetic element mounted on the mounting substrate. The magnetic element includes a drum core provided with a flange portion at each end of a winding shaft, a coil wound on the winding shaft, and a shield core engaged with the drum core, the shield core including an engagement portion having a shape that corresponds to the shape of a portion of the outer circumference of at least one of the flange portions so that the engagement portion mates with the at least one flange portion.

Abstract: To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic element has a core unit provided with a wound coil, a center core 105 inserted into the interior of the inner periphery of the coil, planar cores disposed at both ends of the center core, and a side core disposed between the planar cores and on the outside periphery of the coil. The side core is disposed so as to form an open portion between the two planar cores around the coil, with a recessed portion formed in a surface of the side core facing the coil in which the coil is partially contained.

Abstract: A magnetic element including a first core and a second core each of which has a winding core provided with a flange portion having a flange surface at least at one end thereof; and an intermediate core to form a closed magnetic circuit which is disposed between said first core and said second core in a manner being integrally connected with said first core and said second core.

Abstract: The invention is to provide an inductor which can flow a high frequency current and a large current. An inductor for a power source used in a power source circuit flowing a current larger than a current in an inductor for signal transmission comprises a core provided with a center core for winding and a coil provided with the centre core and a conductive member wound around the center core. A frequency band of a current applied to the coil is from 5 MHz to 10 MHz and a frequency ratio of a standard frequency lower than the used frequency band to the used frequency band is approximately equal to an alternative current resistance ratio of an alternative current resistance at the standard frequency to an alternative current resistance at the used frequency band.

Abstract: To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic element has a core unit provided with a wound coil, a center core 105 inserted into the interior of the inner periphery of the coil, planar cores disposed at both ends of the center core, and a side core disposed between the planar cores and on the outside periphery of the coil. The side core is disposed so as to form an open portion between the two planar cores around the coil, with a recessed portion formed in a surface of the side core facing the coil in which the coil is partially contained.

Abstract: A magnetic element including a first core and a second core each of which has a winding core provided with a flange portion having a flange surface at least at one end thereof; and an intermediate core disposed between said first core and said second core and being integrally connected with said first core and said second core so as to form a closed magnetic circuit.

Abstract: In substrate-mounting type inductor having a winding having conductivity, a core on which the winding is winded, and a terminal portion arranged at an end of the winding, a recessed portion which is recessed in a direction of height of the core is formed on a substrate mounting surface of the core, and the terminal portion is arranged to be housed in the recessed portion through an insulating member.

Abstract: A plate member includes a frame portion (51) provided in a state of coupling both one end portion and other end portion and mounting terminal portions (44) protruding from the one end portion and the other end portion of said frame portion (51) to approach each other, from which a PCB joint portions (46) to be a mounting portion to a PCB are formed by cutting and bending when manufacturing a magnetic element. Further, a winding number adjustment means (41), which is capable of selecting joint portions with ends of a coil and adjusting the winding number of the coil in accordance with the selection, protrudes from the one end portion and the other end portion to approach each other farther as compared to the mounting terminal portions (44).

Abstract: A plate member includes a frame portion (51) provided in a state of coupling both one end portion and other end portion and mounting terminal portions (44) protruding from the one end portion and the other end portion of said frame portion (51) to approach each other, from which a PCB joint portions (46) to be a mounting portion to a PCB are formed by cutting and bending when manufacturing a magnetic element. Further, a winding number adjustment means (41), which is capable of selecting joint portions with ends of a coil and adjusting the winding number of the coil in accordance with the selection, protrudes from the one end portion and the other end portion to approach each other farther as compared to the mounting terminal portions (44).

Abstract: To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic element has a core unit provided with a wound coil, a center core 105 inserted into the interior of the inner periphery of the coil, planar cores disposed at both ends of the center core, and a side core disposed between the planar cores and on the outside periphery of the coil. The side core is disposed so as to form an open portion between the two planar cores around the coil, with a recessed portion formed in a surface of the side core facing the coil in which the coil is partially contained.

Abstract: A magnetic device to reduce an inductance value and ensure a desired inductance with an excellent DC bias characteristics is described. The magnetic device comprises of a core member formed by press-molding a mixture mixing magnetic powders containing a metal, and a resin-type binder; a conductor provided inside said core member and extended in a linear manner; and a terminal electrodes provided on an outer surface of said core member and electrically connected to said conductor as well as a mounting substrate when mounted thereon.

Abstract: A magnetic element includes a drum core provided with a flange portion having a flange surface at each end portion of a winding shaft, a coil wound on the winding shaft, a terminal to connect each end portion of the coil, and a shield core provided with an engagement portion having such a shape that partially fits in along an outer circumference of the flange portion.

Abstract: According to an aspect of the invention, a low profile can be achieved while the number of turns of the winding wire is secured. The magnetic element includes a rectangular-solid magnetic member and a conductor. A bellows-like metal flat plate snakes along a longitudinal direction in the conductor. In the bellows-like metal flat plate, snaking portions located in a direction perpendicular to the longitudinal direction are mutually projected toward opposite directions to form a space into which the magnetic member is inserted.

Abstract: The magnetic element includes a core (20) provided with a through hole (21) passing through a tubular portion, a linear conductor (30) having a plated surface, which is to be inserted through the through hole (21), and a mounting terminal with its one end side is electrically connected to the conductor and another end side positioning on a bottom surface (22a) of the core (20), the mounting terminal being mounted to an external mounting substrate facing the bottom surface (22a). Further, the conductor (30) is provided integrally with the mounting terminal composed of a downward extension (31) extending from the one end side of the conductor (30) to the bottom surface (22a) side and formed by bending itself and a mounting portion (32) positioning on the bottom surface (22a) and formed by bending itself.