JPH0446717U

JPH0446717U -

Info

Publication number: JPH0446717U
Application number: JP8959390U
Authority: JP
Priority date: 1990-08-27
Filing date: 1990-08-27
Publication date: 1992-04-21

Description

[Brief explanation of the drawing]

第１図は、本考案によるチツプフイルタを示し
、第１図ａは分解斜視図、第１図ｂは完成品の斜
視図。第２図は、従来のノイズフイルタを示す斜
視図で、第２図ａは基板上に構成したノイズフイ
ルタ、第２図ｂは従来のノイズフイルタでコンデ
ンサ及びコイルを基板に実装し、基板に端子を取
り付けた構造を示す図、第３図は、π型フイルタ
を示す回路図。１……磁性コア、２……チツプコンデンサ、３
……チツプコンデンサの電極、４，５……金属板
、６……接着剤、７……半田付又は鍍金、８，９
……入出力端子、１０……接地端子、１２……コ
ンデンサ、１３……ビーズインダクタ、１４……
インダクタ、１６……基板、１７……端子、１８
……貫通孔、１９……絶縁部。 Fig. 1 shows a chip filter according to the present invention, Fig. 1a is an exploded perspective view, and Fig. 1b is a perspective view of a completed product. Figure 2 is a perspective view showing a conventional noise filter. Figure 2a is a noise filter constructed on a board, and Figure 2b is a conventional noise filter in which a capacitor and a coil are mounted on a board, and terminals are mounted on the board. FIG. 3 is a circuit diagram showing a π-type filter. 1... Magnetic core, 2... Chip capacitor, 3
... Chip capacitor electrode, 4, 5 ... Metal plate, 6 ... Adhesive, 7 ... Soldering or plating, 8, 9
...Input/output terminal, 10...Ground terminal, 12...Capacitor, 13...Bead inductor, 14...
Inductor, 16... Board, 17... Terminal, 18
...Through hole, 19...Insulation section.

Claims

[Scope of utility model registration request]

A magnetic core with a high relative magnetic permeability characteristic that has a flat through hole in the center of the longitudinal cross section of an approximately rectangular parallelepiped;
A number of chip capacitors are arranged with electrodes arranged in series on the lower surface of the magnetic core, a metal plate is inserted into the through hole, both ends of the metal plate are bent inward, and signal lines connected to both electrodes of the chip capacitor are inserted. Except for the output terminal, the grounding terminal holding the butt electrode of the magnetic core and the chip capacitor by a metal plate perpendicular to the through hole in the center of the magnetic core, the input/output terminal, and the installation terminal, the terminal is covered with an insulating resin. A chip filter characterized by: