JPS6397378U - - Google Patents
Info
- Publication number
- JPS6397378U JPS6397378U JP19138586U JP19138586U JPS6397378U JP S6397378 U JPS6397378 U JP S6397378U JP 19138586 U JP19138586 U JP 19138586U JP 19138586 U JP19138586 U JP 19138586U JP S6397378 U JPS6397378 U JP S6397378U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- semiconductor element
- switching semiconductor
- heat dissipation
- dissipation member
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Conversion In General (AREA)
Description
第１図は本考案のスナバー回路の実装装置の一
実施例を示す斜視図、第２図は電源装置に用いる
インダクタンスとスイツチング用素子とを直列接
続したスイツチング回路を示す回路図、第３図及
び第４図は従来のスナバー回路の実装状態を示す
斜視図である。
１…第１のヒートシンク（第１の放熱部材）、
２…第２のヒートシンク（第２の放熱部材）、３
，４，１０４…抵抗器、５，１０８…プリント基
板、６ａ，６ｂ，７ａ，７ｂ…電線（リード線）
、１０１…出力トランス、１０２，１０５，１０
６…電力用トランジスタ（スイツチング用素子）
。
FIG. 1 is a perspective view showing an embodiment of the snubber circuit mounting device of the present invention, FIG. 2 is a circuit diagram showing a switching circuit in which an inductance and a switching element used in a power supply device are connected in series, and FIG. FIG. 4 is a perspective view showing a state in which a conventional snubber circuit is mounted. 1...first heat sink (first heat dissipation member),
2...Second heat sink (second heat dissipation member), 3
, 4,104...Resistor, 5,108...Printed circuit board, 6a, 6b, 7a, 7b...Electric wire (lead wire)
, 101...output transformer, 102, 105, 10
6...Power transistor (switching element)
.
Claims (1)
ング用半導体素子をスイツチングする回路に発生
する過電圧を抑制する抵抗器とコンデンサとから
なるスナバー回路において、 プリント基板にスイツチング用半導体素子とコ
ンデンサとを近づけて配設・接続すると共に、 このスイツチング用半導体素子を第１の放熱部
材に取付け、 このスイツチング素子の近傍に第２の放熱部材
に取付けた抵抗器を配設・接続し、 この抵抗器を短いリード線により上記プリント
基板の所定の部位に接続することによつて、 上記抵抗器が発する熱を放熱させると共に接続
用のリード線の抵抗分およびインダクタンス分を
少なくするようにしたことを特徴とするスナバー
回路の実装装置。[Claim for Utility Model Registration] In a snubber circuit consisting of a resistor and a capacitor to suppress overvoltage generated in a circuit that switches a switching semiconductor element including line distributed inductance, the switching semiconductor element and the capacitor are mounted on a printed circuit board. At the same time, this switching semiconductor element is attached to the first heat dissipation member, a resistor attached to the second heat dissipation member is disposed and connected near this switching element, and this resistor By connecting the resistor to a predetermined part of the printed circuit board using a short lead wire, the heat generated by the resistor is radiated, and the resistance and inductance of the connecting lead wire are reduced. A featured snubber circuit mounting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19138586U JPS6397378U (en) | 1986-12-12 | 1986-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19138586U JPS6397378U (en) | 1986-12-12 | 1986-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397378U true JPS6397378U (en) | 1988-06-23 |
Family
ID=31145480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19138586U Pending JPS6397378U (en) | 1986-12-12 | 1986-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397378U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5747888B2 (en) * | 1975-02-19 | 1982-10-13 |
-
1986
- 1986-12-12 JP JP19138586U patent/JPS6397378U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5747888B2 (en) * | 1975-02-19 | 1982-10-13 |
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