Title:
コモンモードチョークコイル
Document Type and Number:
Japanese Patent JP6617306
Kind Code:
B2
Abstract:
The present invention provides a bobbin-shaped air-cooled common mode choke coil that can suppress heat generation. The air-cooled common mode choke coil 10 according to the present invention is a common mode choke coil 10 in which an annular core 30 is housed in an annular bobbin 20, and a coil 40 is wound around the outer circumference of the bobbin 20. An airflow path A that allows an airflow B to flow therethrough is formed between the bobbin 20 and the core 30. The bobbin 20 includes one or more openings 21 and 22 that are in communication with the airflow path A. Flanges 23 and 24 are provided protruding along the peripheral edges of each of the openings 21 and 22. The openings 21 and 22 are desirably formed in the outer circumferential surface of the bobbin 20 and reache the upper and lower surfaces of the bobbin 20.
Inventors:
Imanishi Tsuneji
High Yasuomi Hashi
High Yasuomi Hashi
Application Number:
JP2016122484A
Publication Date:
December 11, 2019
Filing Date:
June 21, 2016
Export Citation:
Assignee:
S.H.T Inc.
International Classes:
H01F37/00; H01F27/24
Domestic Patent References:
JP51116929A | ||||
JP2004342749A | ||||
JP11186060A | ||||
JP1153606U | ||||
JP2012004258A | ||||
JP2015207612A |
Attorney, Agent or Firm:
Maruyama International Patent Office