Surface-mounted choke coil

Details Surface-mounted choke coil Surface-mounted choke coil

2007-01-30

2010-10-12

Nguyen, Tuyen (Department: 2832)

Inductor devices

Winding with terminals, taps, or coil conductor end...

Reexamination Certificate

active

07812700

ABSTRACT:
In a choke coil adapted to be surface-mounted on a board, a drum core including a core rod, and a circular first flange provided on a lower end of the core rod. A coil is wound around the core rod. Each of a pair of electrodes is electrically connected to an associated one end of the coil, and includes a first part provided on a lower face of the first flange adapted to oppose a connection land on the board and a second part provided on a side face of the first flange. The second part of each of the electrodes is adapted to hold a solder fillet together with the land. In a case where a hypothetic square circumscribing an outer periphery of the first flange is defined, the second part is located within the square and on a line connecting diagonal corners of the square.

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patent: 7042324 (2006-05-01), Watanabe
patent: 7463130 (2008-12-01), Oki
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patent: 11-67520 (1993-03-01), None
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patent: 2005-210055 (2005-08-01), None
“The Submission of Publication and the like” with English translations.

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