JPS6230422U - - Google Patents
Info
- Publication number
- JPS6230422U JPS6230422U JP12252885U JP12252885U JPS6230422U JP S6230422 U JPS6230422 U JP S6230422U JP 12252885 U JP12252885 U JP 12252885U JP 12252885 U JP12252885 U JP 12252885U JP S6230422 U JPS6230422 U JP S6230422U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- collector
- resistor
- overcurrent protection
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案にかかる過電流保護回路の１
実施例の回路図、第２図はこの過電流保護回路の
動作説明図である。
１……正側端子、２……負側端子、Ｔｒ１……
出力トランジスタ、Ｔｒ２……第１のトランジス
タ、Ｔｒ３……第２のトランジスタ、Ｃ１……コ
ンデンサ、Ｒ３……抵抗。
Figure 1 shows one of the overcurrent protection circuits according to this invention.
The circuit diagram of the embodiment, FIG. 2, is an explanatory diagram of the operation of this overcurrent protection circuit. 1... Positive side terminal, 2... Negative side terminal, Tr 1 ...
Output transistor, Tr2 ...first transistor, Tr3 ...second transistor, C1 ...capacitor, R3 ...resistance.
Claims (1)
て出力電流の断続を行う出力トランジスタを有す
る過電流保護回路において、 前記抵抗の一端側にエミツタが接続されかつ他
端側にベースが接続されるとともに、このベース
およびコレクタ間にコンデンサが接続されている
第１のトランジスタと、 ベースがこの第１のトランジスタのコレクタに
抵抗を介して接続されるとともに、コレクタが前
記出力トランジスタのベースに接続されかつエミ
ツタが接地されている第２のトランジスタを具備
することを特徴とする過電流保護回路。[Claims for Utility Model Registration] An overcurrent protection circuit having a resistor connected between positive and negative terminals and an output transistor that receives a signal and switches on and off the output current, wherein an emitter is connected to one end of the resistor. a first transistor having a base connected to the other end and a capacitor connected between the base and the collector; and a first transistor having the base connected to the collector of the first transistor via a resistor and having the collector An overcurrent protection circuit comprising a second transistor connected to the base of the output transistor and whose emitter is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12252885U JPS6230422U (en) | 1985-08-08 | 1985-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12252885U JPS6230422U (en) | 1985-08-08 | 1985-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6230422U true JPS6230422U (en) | 1987-02-24 |
Family
ID=31012797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12252885U Pending JPS6230422U (en) | 1985-08-08 | 1985-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230422U (en) |
-
1985
- 1985-08-08 JP JP12252885U patent/JPS6230422U/ja active Pending
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