Noise suppression inductor

Details Noise suppression inductor Noise suppression inductor

1988-12-06

1990-07-31

Kozma, Thomas J.

Inductor devices

With coil capacitance modifying means

333176, 333177, 336185, 336198, 336210, 379415, H01F 1514, H01F 2730, H03H 700

Patent

active

049453327

ABSTRACT:
A noise suppression inductor including a bobbin having a spool divided into a plurality of spool portions, a core mounted on the bobbin, at least one coil wound around the spool portions into a plurality of coil portions and a plurality of terminal pins connected to opposite ends of the coil, in which the coil portions have different winding widths such that stray capacities produced at the coil portions are made different from each other, whereby the noise suppression inductor has a plurality of self-resonance frequencies.

REFERENCES:
patent: 1945544 (1934-02-01), Conklin
patent: 2568588 (1951-09-01), Maegeorge
patent: 4074210 (1978-02-01), Otake et al.
patent: 4183002 (1980-01-01), Haslau
patent: 4227143 (1980-10-01), Elders et al.
patent: 4229786 (1980-10-01), Mitani et al.
patent: 4427962 (1984-01-01), Liberman
AT&T Technologies, Curtis III et al., "Ferrite Choke Coil Assembly" Technical Digest No. 76, Mar. 1985, pg. 17.

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