Miniature transformer

Details Miniature transformer Miniature transformer

1981-10-14

1984-04-17

Kozma, Thomas J.

Inductor devices

With mounting or supporting means

336192, 336198, H01F 1502, H01F 2730

Patent

active

044437773

ABSTRACT:
A small-size transformer comprises an insulative bobbin having a pair of flanges and a hollow center portion on which an insulated tape wire is wound in layers. The center portion of the bobbin is stepped to accommodate a lead wire so that the tape wire is uniformly wound in parallel layers between innermost and outermost layers thereof. A pair of insulative side members each of U-shaped cross section is fitted to the flanges of the bobbin in positions adjacent the outermost winding layer. A core structure has outer arms received in slots of the side members and an inner or center arm accommodated within the hollow center portion of the bobbin. A base is detachably connected to the bobbin and formed with plural vertical slots to firmly secure tubular lead wires therewithin to serve as terminal pins for connection to an associated circuit.

REFERENCES:
patent: 1752866 (1930-04-01), Trombetta
patent: 3213397 (1965-10-01), Brovermen
patent: 4000483 (1976-12-01), Cook et al.
patent: 4075590 (1978-02-01), Foldes

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