Choke coil

Details Choke coil Choke coil

1997-12-09

1999-11-30

Donovan, Lincoln

Inductor devices

Plural part core

336198, 336 83, 336215, H01F 2724

Patent

active

059949929

ABSTRACT:
A choke coil is provided having a highly efficient normal-mode inductance component. The choke coil comprises a bobbin, a magnetic core, and a pair of windings. The bobbin has a core portion, and flanges which are respectively provided at both outer ends and at the center of the core portion. The forward end of the central flange, placed near the magnetic core, extends longer than the forward ends of the other flanges located at the ends of the core portion. In one embodiment, the forward end of the central flange is provided with a hole for receiving the magnetic core.

REFERENCES:
patent: 5028904 (1991-07-01), Kurano
patent: 5506559 (1996-04-01), Yamaguchi et al.
patent: 5629661 (1997-05-01), Ooi et al.
patent: 5635890 (1997-06-01), Yamaguchi et al.
patent: 5635891 (1997-06-01), Miyoshi et al.

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