JPS5922514U

JPS5922514U - noise filter

Info

Publication number: JPS5922514U
Application number: JP11547282U
Authority: JP
Inventors: 幸夫坂本
Original assignee: 株式会社村田製作所
Priority date: 1982-07-28
Filing date: 1982-07-28
Publication date: 1984-02-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図および第２図は夫々従来のノイズフィルタの回路
図、第３図は本考案に係るノイズフィルタの一実施例の
斜視図、第４図は第３図のノイズフィルタの等価回路図
、第５図は第３図の変形例の斜視図、第６図は第５図の
ノイズフィルタの投入損失の測定−路図、第７図は投入
損失特性図、第８図は従来のノイズフィルタの投入損失
の測定回路図である。　　− ′　　１１・・・セラミックコンデンサ、１２．１３・
・・導線、１４．　１５．　１６．　１７・・ゼーズ、
２１・・・積層コンデンサ。1 and 2 are circuit diagrams of conventional noise filters, FIG. 3 is a perspective view of an embodiment of the noise filter according to the present invention, and FIG. 4 is an equivalent circuit diagram of the noise filter of FIG. 3, Fig. 5 is a perspective view of a modification of Fig. 3, Fig. 6 is a measurement path diagram of the input loss of the noise filter in Fig. 5, Fig. 7 is a graph of input loss characteristics, and Fig. 8 is a conventional noise filter. FIG. 3 is a circuit diagram for measuring input loss of FIG. - ' 11... Ceramic capacitor, 12.13.
... Conductor, 14. 15. 16. 17... Zeez,
21... Multilayer capacitor.

Claims

[Scope of utility model registration request]

In a four-terminal capacitor in which opposing electrodes of the capacitor are connected in the middle of a pair of conducting wires, at least one of the pair of conducting wires is fitted with a cylindrical bead made of a magnetic material. A noise filter featuring: