Surface mount line filter with solder gas discharge paths in the

Details Surface mount line filter with solder gas discharge paths in the Surface mount line filter with solder gas discharge paths in the

1996-06-03

1998-06-30

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333185, 336 65, 336192, H03H 709

Patent

active

057740283

ABSTRACT:
A line filter for a surface mounting device which eliminates noise on a power supply line, and more particularly a line filter for a surface mounting device in which not only a making to mount is easy because a magnitude of the filter is made to be small, but also a noise eliminating characteristic is improved better. The technical construction of the present invention is made such that three capacitor elements are mounted side by side to the capacitor mounting portion formed at top surface of the ferrite core, lead wires are inserted through the lead wire passing through openings among three capacitor elements mounted to the ferrite core, the ground terminal portion is formed by printing to both side surfaces of the ferrite core, and said capacitor, lead wires and ground terminal portion are connected by soldering and then the surface is coated; therefore, there are effects that a surface mounting is easy and a noise eliminating characteristic is excellent.

REFERENCES:
patent: 4543554 (1985-09-01), Muellenheim et al.
patent: 4845452 (1989-07-01), Sasaki et al.
patent: 5321373 (1994-06-01), Shusterman et al.
patent: 5455552 (1995-10-01), Metsler

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