Surface mount coil assembly

Details Surface mount coil assembly Surface mount coil assembly

1996-11-12

1998-08-18

Gellner, Michael L.

Inductor devices

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

336192, 174845, 439397, H01F 2729, H01F 2704, H01R 400, H01R 424

Patent

active

057963240

ABSTRACT:
A coil is wound on a bobbin having posts extending from the bobbin body, the end of the coil wire being wrapped on the posts to form wire terminations. The coil is mounted on a circuit board with the coil either above the board or suspended alongside the board edge. The periphery of each post is positioned against a solder pad of the circuit board and the wire termination is soldered to the pad. Each post has a flexible neck portion to relieve stress due to coil thermal expansion. A recess in the side of the post facing the solder pad enhances solder interaction with the wire termination.

REFERENCES:
patent: 4092622 (1978-05-01), Widemann et al.
patent: 4251911 (1981-02-01), Reynolds et al.
patent: 5281942 (1994-01-01), Stokes
patent: 5351167 (1994-09-01), Wai et al.
patent: 5570075 (1996-10-01), Krimmer et al.
Dickens et al, Improved Coil Bobbin, ATT Technologies, Technical Digest No. 76, Mar. 1995.

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