JPH0334905Y2 - - Google Patents
Info
- Publication number
- JPH0334905Y2 JPH0334905Y2 JP14887187U JP14887187U JPH0334905Y2 JP H0334905 Y2 JPH0334905 Y2 JP H0334905Y2 JP 14887187 U JP14887187 U JP 14887187U JP 14887187 U JP14887187 U JP 14887187U JP H0334905 Y2 JPH0334905 Y2 JP H0334905Y2
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- cathode terminal
- solid electrolytic
- capacitor
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 17
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
Landscapes
- Fuses (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はヒユーズ付きの固体電解コンデンサに
関する。[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a solid electrolytic capacitor with a fuse.
（従来の技術）
コンデンサに過電圧が印加されて大電流が流れ
たりあるいは発熱したりすると、コンデンサは破
壊される。コンデンサが破壊され短絡すると、回
路に大電流が持続して流れるため他の電子部品が
損傷する。(Prior Art) When an overvoltage is applied to a capacitor, causing a large current to flow or generating heat, the capacitor is destroyed. If the capacitor breaks down and shorts, a large current will continue to flow through the circuit, damaging other electronic components.
そのために、従来、タンタル等の固体電解コン
デンサは、コンデンサ素子の最外周の陰極面と陰
極端子との間にヒユーズを接続した構成となつて
いる。 For this reason, conventional solid electrolytic capacitors such as tantalum have a structure in which a fuse is connected between the outermost cathode surface of the capacitor element and the cathode terminal.
（考案が解決しようとする問題点）
しかし、ヒユーズ材として用いられる鉛やス
ズ、半田等は陰極端子との付きが悪く、溶接信頼
性が低下する欠点がある。(Problems to be Solved by the Invention) However, lead, tin, solder, etc. used as fuse materials have poor adhesion to the cathode terminal, resulting in reduced welding reliability.
本考案の目的は、以上の欠点を改良し、陰極端
子とヒユーズとの接続信頼性を向上しうる固体電
解コンデンサを提供するものである。 An object of the present invention is to provide a solid electrolytic capacitor that can improve the reliability of the connection between the cathode terminal and the fuse by improving the above-mentioned drawbacks.
（問題点を解決するための手段）
本考案は、上記の目的を達成するために、コン
デンサ素子の陰極面と陰極端子との間にヒユーズ
を接続した固体電解コンデンサにおいて、陰極端
子のヒユーズとの接続部分に銀メツキが設けられ
ていることを特徴とする固体電解コンデンサを提
供するものである。(Means for solving the problem) In order to achieve the above object, the present invention provides a solid electrolytic capacitor in which a fuse is connected between the cathode surface of the capacitor element and the cathode terminal. The present invention provides a solid electrolytic capacitor characterized in that a connecting portion is plated with silver.
（作用）
本考案によれば、陰極端子に銀メツキを設け、
この銀メツキの部分にヒユーズを溶接等して接続
しているために付きが良く、接続不良を防止でき
る。(Function) According to the present invention, the cathode terminal is provided with silver plating,
Since the fuse is connected to this silver-plated part by welding, etc., it adheres well and prevents connection failures.
（実施例）
以下、本考案の実施例を図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
図において、１はタンタル粉末の焼結体に酸化
皮膜を形成し、次いで二酸化マンガン層、カーボ
ン層、銀層を形成したコンデンサ素子であり、タ
ンタル線が陽極リード線２として引き出されてい
る。３は陽極リード線２に溶接されたＬ字状の陽
極端子である。４は、陰極端子であり、先端に銀
メツキ５が設けられている。６は、鉛やスズ、半
田等からなるヒユーズであり、コンデンサ素子１
の陰極層である銀層に半田付けされるとともに陰
極端子４の銀メツキ５に溶接されている。７は樹
脂デイツプにより形成された外装である。 In the figure, 1 is a capacitor element in which an oxide film is formed on a sintered body of tantalum powder, and then a manganese dioxide layer, a carbon layer, and a silver layer are formed, and a tantalum wire is drawn out as an anode lead wire 2. 3 is an L-shaped anode terminal welded to the anode lead wire 2. 4 is a cathode terminal, and a silver plating 5 is provided at the tip. 6 is a fuse made of lead, tin, solder, etc., and is connected to capacitor element 1.
It is soldered to the silver layer which is the cathode layer, and welded to the silver plating 5 of the cathode terminal 4. 7 is an exterior formed of a resin dip.
上記実施例によれば、ヒユーズ６は銀メツキ５
に溶接されているために接続不良を防止できる。 According to the above embodiment, the fuse 6 is silver-plated 5
It is welded to prevent poor connections.
（考案の効果）
以上の通り、本考案によれば、陰極端子に銀メ
ツキを設けているために陰極端子との接続不良を
防止でき、ヒユーズの動作ミスを防止できる固体
電解コンデンサが得られる。(Effects of the Invention) As described above, according to the present invention, since the cathode terminal is provided with silver plating, a solid electrolytic capacitor can be obtained which can prevent poor connection with the cathode terminal and prevent malfunction of the fuse.
図は本考案の実施例の正面断面図を示す。
１……コンデンサ素子、４……陰極端子、５…
…銀メツキ、６……ヒユーズ。
The figure shows a front sectional view of an embodiment of the invention. 1... Capacitor element, 4... Cathode terminal, 5...
...Ginmetsuki, 6...Hyuse.
Claims (1)
ーズを接続した固体電解コンデンサにおいて、陰
極端子のヒユーズとの接続部分に銀メツキが設け
られていることを特徴とする固体電解コンデン
サ。 A solid electrolytic capacitor in which a fuse is connected between a cathode of a capacitor element and a cathode terminal, the solid electrolytic capacitor characterized in that a part of the cathode terminal connected to the fuse is provided with silver plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14887187U JPH0334905Y2 (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14887187U JPH0334905Y2 (en) | 1987-09-29 | 1987-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6452226U JPS6452226U (en) | 1989-03-31 |
| JPH0334905Y2 true JPH0334905Y2 (en) | 1991-07-24 |
Family
ID=31420582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14887187U Expired JPH0334905Y2 (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334905Y2 (en) |
-
1987
- 1987-09-29 JP JP14887187U patent/JPH0334905Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6452226U (en) | 1989-03-31 |
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