JPS6390985U - - Google Patents
Info
- Publication number
- JPS6390985U JPS6390985U JP18290386U JP18290386U JPS6390985U JP S6390985 U JPS6390985 U JP S6390985U JP 18290386 U JP18290386 U JP 18290386U JP 18290386 U JP18290386 U JP 18290386U JP S6390985 U JPS6390985 U JP S6390985U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- diode
- snubber circuit
- resistor
- switching element
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
第１図は本考案の実施例に係るスイツチング素
子の保護装置の回路図、第２図は従来のスイツチ
ング素子の保護装置の回路図である。
２…トランジスタ、３…コンデンサ、４…ダイ
オード、９…抵抗、１０…コンデンサ、１１…ス
トツパダイオード、１２…第１のスナバ回路、１
３…第２のスナバ回路。
FIG. 1 is a circuit diagram of a switching device protection device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional switching device protection device. 2... Transistor, 3... Capacitor, 4... Diode, 9... Resistor, 10... Capacitor, 11... Stopper diode, 12... First snubber circuit, 1
3...Second snubber circuit.
Claims (1)
ンサを並列接続してなる第１のスナバ回路と、 抵抗とコンデンサの直列体を直流電源に対して
並列になるように接続すると共に、 該直列体の抵抗とコンデンサとの接続点にカソ
ードを接続し前記第１のスナバ回路のコンデンサ
とダイオードとの接続点にアノードを接続したス
トツパダイオードを有する第２のスナバ回路とに
よつて構成したことを特徴とするスイツチング素
子の保護装置。[Claims for Utility Model Registration] A first snubber circuit consisting of a switching element and a capacitor connected in parallel via a diode, and a series body of a resistor and a capacitor connected in parallel to a DC power supply, a second snubber circuit having a stopper diode having a cathode connected to a connection point between the resistor and the capacitor of the series body and an anode connected to a connection point between the capacitor and the diode of the first snubber circuit; A protection device for a switching element characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18290386U JPH0521993Y2 (en) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18290386U JPH0521993Y2 (en) | 1986-11-28 | 1986-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390985U true JPS6390985U (en) | 1988-06-13 |
| JPH0521993Y2 JPH0521993Y2 (en) | 1993-06-04 |
Family
ID=31129137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18290386U Expired - Lifetime JPH0521993Y2 (en) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521993Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016052222A (en) * | 2014-09-02 | 2016-04-11 | 京都電機器株式会社 | Dc-dc converter apparatus |
-
1986
- 1986-11-28 JP JP18290386U patent/JPH0521993Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016052222A (en) * | 2014-09-02 | 2016-04-11 | 京都電機器株式会社 | Dc-dc converter apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521993Y2 (en) | 1993-06-04 |
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