JPH01268011A - Laminated ceramic capacitor - Google Patents

Laminated ceramic capacitor

Info

Publication number
JPH01268011A
JPH01268011A JP63096549A JP9654988A JPH01268011A JP H01268011 A JPH01268011 A JP H01268011A JP 63096549 A JP63096549 A JP 63096549A JP 9654988 A JP9654988 A JP 9654988A JP H01268011 A JPH01268011 A JP H01268011A
Authority
JP
Japan
Prior art keywords
spacer
fuse
fuses
ceramic capacitor
capacitor
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.)
Granted
Application number
JP63096549A
Other languages
Japanese (ja)
Other versions
JPH0795496B2 (en
Inventor
Masaru Hotta
堀田 賢
Tomiro Yasuda
安田 冨郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lincstech Circuit Co Ltd
Original Assignee
Hitachi Condenser Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Condenser Co Ltd filed Critical Hitachi Condenser Co Ltd
Priority to JP63096549A priority Critical patent/JPH0795496B2/en
Publication of JPH01268011A publication Critical patent/JPH01268011A/en
Publication of JPH0795496B2 publication Critical patent/JPH0795496B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ceramic Capacitors (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

PURPOSE:To prevent smoking and the like of an outer covering of resin by providing a spacer composed of an insulator which adheres to the edge face and the side face of a capacitor, fuses connected to electrodes and arranged on the spacer and terminals arranged on the spacer and connected to the fuses. CONSTITUTION:A laminated ceramic capacitor in which electrodes 2, 3 are formed, terminals 7, 9 are drawn out and a resin facing is formed on both the ends of a capacitor element 1 has a spacer 4 composed of an insulator bonded to the end face and the side face 5 thereof, fuses 6 connected to electrodes 2 and arranged on the spacer 4 and terminals 7 arranged on the spacer 4 and connected to the fuses 6. For example, the spacer 4 composed of epoxy and the like whose one end 4' with which the fuses 6 come in contact is made a slope is bonded on one electrode 2 and one side face 5 of the capacitor element 1 by insulating bonding agent of epoxy bonding agent and the like. Further, one end 8 of the above terminal 7 is made an L-shaped terminal formed flatly.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明はヒユーズ入りの積層セラミックコンデンサに関
する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a laminated ceramic capacitor with a fuse.

(従来の技術) 積層セラミックコンデンサは不燃性であり、従来、電流
ヒユーズや温度ヒユーズ等の保安装置が組み込まれる必
要はほとんど無かった。
(Prior Art) Multilayer ceramic capacitors are nonflammable, and conventionally there has been little need to incorporate safety devices such as current fuses and temperature fuses.

(発明が解決しようとする課題) しかし、コンデンサ素子に樹脂外装の形成された積層セ
ラミックコンデンサは、短絡事故を生じ発熱した場合、
樹脂が発煙、燃焼を生じる恐れのある欠点があった。
(Problems to be Solved by the Invention) However, in a multilayer ceramic capacitor in which a resin exterior is formed on the capacitor element, if a short circuit occurs and heat is generated,
There was a drawback that the resin could cause smoke and combustion.

本発明の目的は、以上の欠点を改良し、発煙等を防止し
つる積層セラミック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 multilayer ceramic capacitor which improves the above-mentioned drawbacks and prevents smoke generation.

(課題を解決するための手段) 本発明は、上記の目的を達成するために、コンデンサ素
子の両端に電極を形成し端子を引き出して樹脂外装を形
成した積層セラミックコンデンサにおいて、端面と側面
とに接着された絶縁物からなるスペーサと、電極に接続
された該スペーサ上に配置されたヒユーズと、前記スペ
ーサ上に配置され該ヒユーズに接続された端子とを有す
ることを特徴とする積層セラミックコンデンサを提供す
るものである。
(Means for Solving the Problems) In order to achieve the above object, the present invention provides a multilayer ceramic capacitor in which electrodes are formed at both ends of a capacitor element and terminals are drawn out to form a resin exterior. A multilayer ceramic capacitor comprising a spacer made of a bonded insulator, a fuse arranged on the spacer connected to an electrode, and a terminal arranged on the spacer and connected to the fuse. This is what we provide.

また、本発明は、スペーサのヒユーズが接触する端部が
斜面に形成されている請求項1記載の積層セラミックコ
ンデンサを提供するものである。
Further, the present invention provides a multilayer ceramic capacitor according to claim 1, wherein the end portion of the spacer with which the fuse contacts is formed as a slope.

(作用) 本発明によれば、電流ヒユーズや温度ヒユーズのヒユー
ズが組み込すれているために、大電流が流れた場合や異
常過熱された場合等にこのヒユーズが切断され、電流の
流入が防止される。そのため、樹脂外装の発煙や燃焼が
未然に防止される。
(Function) According to the present invention, since a current fuse and a temperature fuse are incorporated, the fuses are cut off when a large current flows or abnormal overheating occurs, thereby preventing the inflow of current. be done. Therefore, smoking and combustion of the resin exterior are prevented.

な、J3.スペーサのヒユーズが接触する端面が斜面に
形成されていて、ヒユーズがこの斜面に沿ってスペーサ
に配置されるために、ヒユーズが極端に屈曲することな
く機械的な弱点部の発生を防止でき、ヒユーズの誤動作
を防止できる。
Nah, J3. The end face of the spacer that the fuse contacts is formed into a slope, and since the fuse is arranged on the spacer along this slope, the fuse does not bend excessively, preventing the occurrence of mechanical weak points. Malfunctions can be prevented.

(実施例) 以下、本発明を図示の実施例に基づいて説明する。(Example) Hereinafter, the present invention will be explained based on illustrated embodiments.

第1図及び第2図において、1は、積層セラミックコン
デンサ素子であり、両端面にffi$i2及び4′ 3が形成されている。4 は、一端5が斜面に形成され
たスペーサであり、エポキシ等の絶縁物からなり、コン
デンサ素子1の一方の電極2と側面5にエポキシ接着剤
等の絶縁性接着剤により接着されている。6は、ヒユー
ズであり、電極2に接続されスペーサ4上に配置されて
いる。7は、−端8が偏平状に形成されたL字状の端子
であり、スペーサ4上に配置されヒユーズ6に接続され
ている。9は電極3に接続された端子である。10は、
コンデンサ素子1を被覆している樹脂外装であり、エポ
キシ樹脂等をデイツプにより形成したものである。
In FIGS. 1 and 2, 1 is a multilayer ceramic capacitor element, and ffi$i2 and 4'3 are formed on both end faces. Reference numeral 4 denotes a spacer whose one end 5 is formed as a slope, and is made of an insulating material such as epoxy, and is bonded to one electrode 2 of the capacitor element 1 and the side surface 5 with an insulating adhesive such as an epoxy adhesive. A fuse 6 is connected to the electrode 2 and placed on the spacer 4. Reference numeral 7 denotes an L-shaped terminal with a flat negative end 8, which is placed on the spacer 4 and connected to the fuse 6. 9 is a terminal connected to the electrode 3. 10 is
This is a resin exterior covering the capacitor element 1, and is formed of a dip of epoxy resin or the like.

上記実施例によれば、ヒユーズ6は、途中がスペーサ4
に当接されているため、大電流が流れたりした場合等に
溶断しても再導通することなく、電流を完全に遮断する
According to the above embodiment, the fuse 6 has the spacer 4 in the middle.
Because the wire is in contact with the wire, even if it melts down when a large current flows, it will not re-conduct and will completely cut off the current.

また、第3図に示す通り、端子11の偏平状の屈曲部1
2をスペーサ13の斜面状の一端14まで延長し、ヒユ
ーズ15をこの延長した部分に接続する構成にしてもよ
い。この場合、ヒユーズ15は段差なく端子11に接続
されるために、極端に折り曲げられることなく、機械的
弱点部の発生を防止できる。
Further, as shown in FIG. 3, the flat bent portion 1 of the terminal 11
2 may be extended to one inclined end 14 of the spacer 13, and the fuse 15 may be connected to this extended portion. In this case, since the fuse 15 is connected to the terminal 11 without any difference in level, the fuse 15 is not bent excessively and the occurrence of mechanical weak points can be prevented.

さらに、第4図は本発明の他の実施例のコンデンサ素子
16を示す。この実施例においては、特にヒユーズ17
の接続される方の端子18がリベット状になっている。
Furthermore, FIG. 4 shows a capacitor element 16 according to another embodiment of the present invention. In this embodiment, especially the fuse 17
The terminal 18 to which it is connected is shaped like a rivet.

そしてその鍔部19にヒユーズ17の一端20が接続さ
れている。
One end 20 of the fuse 17 is connected to the flange 19.

第4図の場合、鍔部19の端部でヒユーズ17に折り曲
げ部が生じるが、第5図に示す通りの構成とすることに
よりこれを防止できる。すなわち、第5図においては、
リベット状の端子21の鍔部22を一部が欠けたものと
し、スペーサ23の側面に端子21を密着し、鍔部22
にヒユーズ24を接続しているために、ヒユーズ24に
は鍔部22の端部で段差が生じない構成になっている。
In the case of FIG. 4, a bend occurs in the fuse 17 at the end of the flange 19, but this can be prevented by using the configuration shown in FIG. That is, in Fig. 5,
The flange 22 of the rivet-shaped terminal 21 is partially chipped, and the terminal 21 is tightly attached to the side surface of the spacer 23.
Since the fuse 24 is connected to the fuse 24, the fuse 24 has a structure in which no step is formed at the end of the flange 22.

なお、上記の各実施例において、スペーサの長さや端子
の端の長さを変えることにより、ヒユーズがスペーサに
接触している部分の長さを自由に調整できるため、ヒユ
ーズの寸法のバラツキに起因する溶断特性のバラツキを
小さくできる。
In addition, in each of the above embodiments, by changing the length of the spacer and the length of the terminal end, the length of the part where the fuse contacts the spacer can be freely adjusted. Variations in fusing characteristics can be reduced.

(発明の効果) 以上の通り、本発明によればヒユーズを接続しているた
めに、大電流や異常過熱等による発煙な等をほとんどバ
ラツキなく防止でき、信頼性の高い積層セラミックコン
デンサが得られる。
(Effects of the Invention) As described above, according to the present invention, since the fuse is connected, smoke generation due to large current or abnormal overheating can be prevented with almost no variation, and a highly reliable multilayer ceramic capacitor can be obtained. .

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明実施例の正面断面図、第2図は第1図の
コンデンサ素子の斜視図、第3図〜第5図は本発明の他
実施例の斜視図を示すす。 1.16・・・コンデンサ素子、 2,3・・・電極、
4.13.23・・・スペーサ、 4”、14・・・スペーサの一端、 6.15,17.24・・・ヒユーズ、7.11.18
.21・・・端子、 10・・・樹脂外装。 特許出願人 日立コンデンサ株式会社 第1図 第5図 、、O/
FIG. 1 is a front sectional view of an embodiment of the invention, FIG. 2 is a perspective view of the capacitor element shown in FIG. 1, and FIGS. 3 to 5 are perspective views of other embodiments of the invention. 1.16... Capacitor element, 2,3... Electrode,
4.13.23... Spacer, 4", 14... One end of spacer, 6.15, 17.24... Fuse, 7.11.18
.. 21...Terminal, 10...Resin exterior. Patent applicant: Hitachi Capacitor Co., Ltd. Figure 1 Figure 5, O/

Claims (2)

【特許請求の範囲】[Claims] (1)コンデンサ素子の両端に電極を形成し端子を引き
出し樹脂外装を形成した積層セラミックコンデンサにお
いて、端面と側面とに接着された絶縁物からなるスペー
サと、電極に接続され該スペーサ上に配置されたヒュー
ズと、前記スペーサ上に配置されたヒューズに接続され
た端子とを有することを特徴とする積層セラミックコン
デンサ。
(1) In a multilayer ceramic capacitor in which electrodes are formed at both ends of a capacitor element, terminals are pulled out, and a resin exterior is formed, a spacer made of an insulator is bonded to the end face and side face, and a spacer is connected to the electrode and placed on the spacer. A multilayer ceramic capacitor comprising: a fuse arranged on the spacer; and a terminal connected to the fuse arranged on the spacer.
(2)スペーサのヒューズが接触する端面が斜面に形成
されている請求項1記載の積層セラミックコンデンサ。
(2) The multilayer ceramic capacitor according to claim 1, wherein the end face of the spacer with which the fuse contacts is formed as a slope.
JP63096549A 1988-04-19 1988-04-19 Monolithic ceramic capacitors Expired - Lifetime JPH0795496B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63096549A JPH0795496B2 (en) 1988-04-19 1988-04-19 Monolithic ceramic capacitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63096549A JPH0795496B2 (en) 1988-04-19 1988-04-19 Monolithic ceramic capacitors

Publications (2)

Publication Number Publication Date
JPH01268011A true JPH01268011A (en) 1989-10-25
JPH0795496B2 JPH0795496B2 (en) 1995-10-11

Family

ID=14168169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63096549A Expired - Lifetime JPH0795496B2 (en) 1988-04-19 1988-04-19 Monolithic ceramic capacitors

Country Status (1)

Country Link
JP (1) JPH0795496B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018049955A (en) * 2016-09-21 2018-03-29 株式会社村田製作所 Ceramic electronic component and its mounting structure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851435U (en) * 1981-10-05 1983-04-07 東北金属工業株式会社 Multilayer ceramic capacitor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851435U (en) * 1981-10-05 1983-04-07 東北金属工業株式会社 Multilayer ceramic capacitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018049955A (en) * 2016-09-21 2018-03-29 株式会社村田製作所 Ceramic electronic component and its mounting structure

Also Published As

Publication number Publication date
JPH0795496B2 (en) 1995-10-11

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