JPS61138203U

JPS61138203U -

Info

Publication number: JPS61138203U
Application number: JP2219385U
Authority: JP
Priority date: 1985-02-18
Filing date: 1985-02-18
Publication date: 1986-08-27

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例に係るチツ
プバリスタを示すもので第１図は平面図、第２図
は正断面図、第３図は第１図イ部拡大平面図、第
４図および第５図は本考案の他の実施例に係るそ
れぞれのチツプバリスタを示す平面図、第６図は
インパルス電流印加回数−Ｖ１ｍＡの変化率特性
曲線図、第７図〜第９図は従来の参考例に係るチ
ツプバリスタを示すもので第７図は平面図、第８
図は正断面図、第９図は第７図ロ部拡大平面図で
ある。１……バリスタ素体、２，３……電極、４……
有効電極先端部、５……Ｒ形状、６……放物線的
カーブ形状、７……角おとし。 1 to 3 show a chip varistor according to an embodiment of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a front sectional view, and FIG. 3 is an enlarged plan view of the part A in FIG. FIGS. 4 and 5 are plan views showing respective chip varistors according to other embodiments of the present invention, FIG. 6 is a graph showing the change rate characteristic curve of impulse current application number-V1mA, and FIGS. 7 to 9. 7 shows a chip varistor according to a conventional reference example, FIG. 7 is a plan view, and FIG. 8 is a top view.
The figure is a front sectional view, and FIG. 9 is an enlarged plan view of the lower part of FIG. 1... Varistor element body, 2, 3... Electrode, 4...
Effective electrode tip, 5... R shape, 6... Parabolic curve shape, 7... Corner cut.

Claims

[Claims for Utility Model Registration] (1) Opposing electrodes 2 and 3 are formed by connecting to a part of the opposite side through both side surfaces of a square plate-shaped varistor body 1, and the front and back sides of the varistor body 1 are In a chip varistor that obtains varistor characteristics between electrodes 2 and 3 facing each other on both sides, both ends of the effective electrode tips 4 of the electrodes 2 and 3 facing each other on the same plane are used as a varistor between the tips 4 and the electrodes 2 or 3 facing each other. A chip varistor characterized by having a shape that is longer than a distance _t2 . (2) Utility model registration claim No. 1 characterized in that the shape of both ends of the effective electrode tip is R-shaped 5.
Chip varistor described in ). (3) The chip varistor according to claim (1) of the utility model registration, characterized in that both ends of the effective electrode tip have a parabolic curve shape 6. (4) The chip varistor as set forth in claim (1) of the utility model registration, characterized in that both ends of the effective electrode tip are triangular with round corners 7.