Surface mount current transformer structure

Details Surface mount current transformer structure Surface mount current transformer structure

1992-07-01

1993-01-26

Kozma, Thomas J.

Inductor devices

With mounting or supporting means

336192, 336198, 336223, H01F 2730

Patent

active

051825368

ABSTRACT:
A miniature current transformer is equipped with a primary winding insert formed as a stamped metal piece with elongate legs and a flange portion disposed at 90 degrees to the legs. The top of the flange is unobstructed by other structural details, and is wide enough to be gripped by vacuum pick-and-place equipment. At the same time the insert is electrically functional as the transformer's primary winding. The flange rests on surfaces formed in the transformer bobbin. The insert legs are mounted through passages n the bobbin leading out to the bobbin's bottom side. The legs are formed into gull-wing ends that have a dual role as lock tabs to secure the insert on the bobbin, and as the primary leads.

REFERENCES:
patent: 4510478 (1985-04-01), Finkbeiner
patent: 4835841 (1989-06-01), Gunnels et al.
patent: 4939494 (1990-07-01), Masuda et al.

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