Transformer with wire lead isolation slots

Details Transformer with wire lead isolation slots Transformer with wire lead isolation slots

1987-02-02

1988-05-17

Kozma, Thomas J.

Inductor devices

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

336 83, A01F 1510

Patent

active

047453885

ABSTRACT:
A transformer (10) for mounting on a printed wire board includes a bobbin (14) held between two ferrite core slabs (12). The bobbin is wound with a primary winding (28) having a secondary winding (32) wound over it. The wire leads (30) of the primary winding lie in slots (26) in one of the flanges (20) of the bobbin which extend to terminals (24) of a terminal base (22) integral with the flange to isolate them from the secondary windings and leads (34).

REFERENCES:
patent: 3083930 (1963-04-01), Brekke
patent: 3117294 (1964-01-01), Muszynski et al.
patent: 3328736 (1967-06-01), Keck
patent: 3457534 (1969-07-01), Davis
patent: 3792398 (1974-02-01), Norlin et al.
patent: 3939362 (1976-02-01), Grimes et al.
patent: 4086553 (1978-04-01), Robandt et al.
patent: 4157519 (1979-06-01), Foster
patent: 4427962 (1984-01-01), Liberman
patent: 4588973 (1986-05-01), Girah et al.
"TDK Ferrite Cores--2 Data Book No. D LE 857-0021", p. 172, dated Jul. 1985.
"TDK Ferrite Cores--2 Date Book No. D LE 857-0021", p. 399, dated Jul. 1985.
P. 67 of "Engineered Bobbins" published by Plastron Corp. on Oct. 29, 1984.
P. 51 of "Bobbins" published by Kinematrix.
P. 40 of "Cosmo Catalog and Design Manual" published by Cosmo.

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