JPH0210748U - - Google Patents
Info
- Publication number
- JPH0210748U JPH0210748U JP8898888U JP8898888U JPH0210748U JP H0210748 U JPH0210748 U JP H0210748U JP 8898888 U JP8898888 U JP 8898888U JP 8898888 U JP8898888 U JP 8898888U JP H0210748 U JPH0210748 U JP H0210748U
- Authority
- JP
- Japan
- Prior art keywords
- diodes
- positive
- negative
- surge
- conduct
- 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
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は、本考案の一実施例の構成図、第２図
は従来例の構成図である。
５〜１２……ダイオード、１３，１４……半導
体スイツチ、１５，１６……ツエナダイオード。
FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. 5-12...Diode, 13,14...Semiconductor switch, 15,16...Zena diode.
Claims (1)
るように前記線路に接続された正極性および負極
性のダイオードと、これらの各ダイオードの出力
側と大地との間にそれぞれ接続され、正および負
のサージをそれぞれ開閉する正および負のサージ
用半導体スイツチと、前記各ダイオードの出力側
にそれぞれ接続され、前記各ダイオードにそれぞ
れ所定値以上のサージが流れたときに応動して前
記各半導体スイツチをそれぞれ導通させる正およ
び負のサージ用ツエナダイオードとを具備してな
ることを特徴とするサージ保護回路。 Positive and negative polarity diodes are connected to the line so as to conduct the positive and negative surges of the line, respectively, and diodes are connected between the output side of each of these diodes and the ground to conduct the positive and negative surges, respectively. A positive and negative surge semiconductor switch is connected to the output side of each of the diodes, and conducts each of the semiconductor switches in response when a surge of a predetermined value or more flows through each of the diodes. A surge protection circuit comprising positive and negative surge Zener diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8898888U JPH0210748U (en) | 1988-07-06 | 1988-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8898888U JPH0210748U (en) | 1988-07-06 | 1988-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0210748U true JPH0210748U (en) | 1990-01-23 |
Family
ID=31313541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8898888U Pending JPH0210748U (en) | 1988-07-06 | 1988-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210748U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713927A (en) * | 1980-06-27 | 1982-01-25 | Nippon Telegraph & Telephone | Overvoltage protecting circuit |
| JPS5934444B2 (en) * | 1978-12-08 | 1984-08-22 | 新日本製鐵株式会社 | Direct forming method for continuously cast slabs |
-
1988
- 1988-07-06 JP JP8898888U patent/JPH0210748U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934444B2 (en) * | 1978-12-08 | 1984-08-22 | 新日本製鐵株式会社 | Direct forming method for continuously cast slabs |
| JPS5713927A (en) * | 1980-06-27 | 1982-01-25 | Nippon Telegraph & Telephone | Overvoltage protecting circuit |