High frequency common mode ferrite bead

Details High frequency common mode ferrite bead High frequency common mode ferrite bead

1997-06-24

1999-04-20

Gellner, Michael L.

Inductor devices

Coil and core

336233, 336175, 336172, H01F 1704, H01F 1706, H01F 2724

Patent

active

058960791

ABSTRACT:
Common mode ferrite bead is provided for suppressing EMI/RFI. The bead includes a ferrite body of substantially rectangular configuration with top and bottom surfaces, first and second end surfaces and first and second side surfaces. Six apertures pass entirely through the body from the first end surface to the second end surface. Grooves may be provided in bottom surface. Two conductors are provided through the body such that each of the conductors passes through each of three of the apertures through the body. The opposed ends of the conductors are bent to fit in the grooves in the bottom surface of the body. These ends of the respective conductors define contact which can be soldered to conductive pads on a circuit board.

REFERENCES:
patent: 1994767 (1935-03-01), Heintz
patent: 2762861 (1956-09-01), Somers
patent: 3319207 (1967-05-01), Davis
patent: 4160966 (1979-07-01), Kennedy
patent: 4656451 (1987-04-01), Pomponio
patent: 5392017 (1995-02-01), Munoz et al.
patent: 5520297 (1993-06-01), Crowhurst

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