Title:
Choke coil
Document Type and Number:
Japanese Patent JP6059458
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a choke coil having high mass productivity and stable characteristics.SOLUTION: This choke coil includes a soft magnetic core having two closed magnetic path parts 11, 12 and coupling parts 20, 21, two coils 31, 32, and a conductive annular member 4. The coils 31, 32 are wound around the closed magnetic path parts 11, 12 respectively, one closed magnetic path part 11 is coupled to the other adjacent closed magnetic path part 12 by the coupling parts 20, 21, one closed magnetic path part 11, the other closed magnetic path part 12, and the coupling parts 20, 21 are integrally molded, and the conductive annular member 4 is installed so as to enclose the coupling part 20 in the choke coil.
Inventors:
Itaya Michitaka
Kimiki Harada
Shuichi Hayasaka
Kimiki Harada
Shuichi Hayasaka
Application Number:
JP2012161272A
Publication Date:
January 11, 2017
Filing Date:
July 20, 2012
Export Citation:
Assignee:
NEC TOKIN CORPORATION
International Classes:
H01F17/04; H01F27/24; H01F27/36; H01F37/00
Domestic Patent References:
| JP57118616A | ||||
| JP62108509A | ||||
| JP2006186620A | ||||
| JP2008021878A | ||||
| JP2007295094A |
Attorney, Agent or Firm:
Kenho Ikeda
Takashi Sasaki
Takashi Sasaki