INDUCTOR

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.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded perspective view showing the configuration of an inductor according to a first embodiment of the present invention and showing a state in which a surface mounted on a substrate faces upward.

FIG. 2A is a plan view showing the configuration of an I-type core in FIG. 1, and FIG. 2B is a sectional view of the I-type core cut along an A-A line in FIG. 2A.

FIG. 3A is a plan view showing the configuration of an insulating member in FIG. 1, FIG. 3B is a sectional view of the insulating member cut along a B-B line in FIG. 3A, and FIG. 3C is a back view of the insulating member.

FIG. 4 is a perspective view showing the configuration of the inductor according to the first embodiment of the present invention and showing a state in which a surface mounted on the substrate faces upward.

FIG. 5 is an exploded perspective view showing the configuration of an inductor according to a second embodiment of the present invention and showing a state in which a surface mounted on a substrate faces upward.

FIG. 6 is a perspective view showing the configuration of the inductor according to the second embodiment of the present invention and showing the state in which the surface mounted on the substrate faces upward.

FIG. 7 is an exploded perspective view showing the configuration of an inductor according to a third embodiment of the present invention and showing a state in which a surface mounted on a substrate faces upward.

FIG. 8 is a perspective view showing the configuration of the inductor according to the third embodiment of the present invention and showing the state in which the surface mounted on the substrate faces upward.

Claims

1. A substrate-mounting type inductor having: a conductive winding;a core on which the conductive winding is wound; andan insulating member;the conductive winding comprising: a terminal portion located at an end of the conductive winding;the core comprising: a recessed portion which is recessed in a height direction of the core and formed on a substrate mounting surface of the core;wherein the terminal portion is arranged to be housed in the recessed portion; andwherein the insulating member is located between the terminal portion and the recessed portion.

2. The inductor according to claim 1; wherein the conductive winding further comprises a flat wire, and an end of the flat wire is used as the terminal portion.

3. The inductor according to claim 1; wherein a part of the terminal portion and a part of the insulating member are coplanar with a surface of the core.

4. The inductor according to claim 1; the core further comprising: an E-type core comprising a middle leg which supports the conductive winding; anda plate-like I-type core arranged to cover an open surface of the E-type core.

5. The inductor according to claim 4; wherein the recessed portion is formed on a surface of the I-type core.

6. The inductor according to claim 2; wherein a part of the terminal portion and a part of the insulating member are coplanar with a surface of the core.

7. The inductor according to claim 2; the core further comprising: an E-type core comprising a middle leg which supports the conductive winding; anda plate-like I-type core arranged to cover an open surface of the E-type core.