JPH01154644U - - Google Patents
Info
- Publication number
- JPH01154644U JPH01154644U JP5164888U JP5164888U JPH01154644U JP H01154644 U JPH01154644 U JP H01154644U JP 5164888 U JP5164888 U JP 5164888U JP 5164888 U JP5164888 U JP 5164888U JP H01154644 U JPH01154644 U JP H01154644U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- wiring board
- printed wiring
- conductive material
- hole
- 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
- 239000004020 conductor Substances 0.000 claims 3
Description
第１図および第２図はこの考案の実施例を示す
ものであつて、第１図はパワートランジスタの取
付構造の要部を示す断面側面図、第２図は分解し
た斜視図である。第３図は従来例の要部を示す断
面側面図である。
主要部分の符号の説明、１：パワートランジス
タ、２：絶縁シート、３：放熱器、４：ビス、５
：絶縁ワツシヤ、８：プリント配線基板、１２：
取付板、１２ａ：メネジ穴、１２ｂ：端子部、１
２ｃ：貫通穴。
1 and 2 show an embodiment of this invention, in which FIG. 1 is a cross-sectional side view showing the main part of a power transistor mounting structure, and FIG. 2 is an exploded perspective view. FIG. 3 is a cross-sectional side view showing the main parts of the conventional example. Explanation of symbols of main parts, 1: Power transistor, 2: Insulating sheet, 3: Heatsink, 4: Screw, 5
: Insulating washer, 8: Printed wiring board, 12:
Mounting plate, 12a: Female screw hole, 12b: Terminal part, 1
2c: Through hole.
Claims (1)
いて放熱器へ電気的に絶縁された状態で機械的に
取り付けるとともに、このパワートランジスタと
電気的に接続するプリント配線基板を放熱器へ接
近させて配置したパワートランジスタの取付構造
において、 パワートランジスタを取り付ける導電材からな
るビスをねじ込むためのメネジ穴と、プリント配
線基板へ電気的かつ機械的に接続するために突出
させて形成した端子部と、パワートランジスタの
リード端子を通すための貫通穴を形成した導電材
からなる取付板を設けて、この取付板を放熱器の
一側壁面とプリント配線基板との間に配置させて
、パワートランジスタの取り付けと同時にパワー
トランジスタとプリント配線基板との電気的接続
を行うように構成したことを特徴とするパワート
ランジスタの取付構造。[Claim for Utility Model Registration] A power transistor is mechanically attached to a heat sink in an electrically insulated state using screws made of a conductive material, and a printed wiring board electrically connected to the power transistor is heat dissipated. In the mounting structure for the power transistor placed close to the device, there is a female screw hole for screwing in a screw made of conductive material to attach the power transistor, and a protruding hole for electrically and mechanically connecting to the printed wiring board. A mounting plate made of a conductive material having a terminal portion and a through hole for passing the lead terminal of the power transistor is provided, and this mounting plate is placed between one side wall surface of the heat sink and the printed wiring board, A power transistor mounting structure characterized in that the power transistor is electrically connected to a printed wiring board at the same time as the power transistor is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5164888U JPH062279Y2 (en) | 1988-04-19 | 1988-04-19 | Power transistor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5164888U JPH062279Y2 (en) | 1988-04-19 | 1988-04-19 | Power transistor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01154644U true JPH01154644U (en) | 1989-10-24 |
| JPH062279Y2 JPH062279Y2 (en) | 1994-01-19 |
Family
ID=31277667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5164888U Expired - Lifetime JPH062279Y2 (en) | 1988-04-19 | 1988-04-19 | Power transistor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062279Y2 (en) |
-
1988
- 1988-04-19 JP JP5164888U patent/JPH062279Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062279Y2 (en) | 1994-01-19 |
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