JPH02131349U - - Google Patents
Info
- Publication number
- JPH02131349U JPH02131349U JP4100989U JP4100989U JPH02131349U JP H02131349 U JPH02131349 U JP H02131349U JP 4100989 U JP4100989 U JP 4100989U JP 4100989 U JP4100989 U JP 4100989U JP H02131349 U JPH02131349 U JP H02131349U
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- insulating spacer
- circuit board
- mounting structure
- power transistor
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Description
第１図は本考案のパワートランジスタの回路基
板への取付構造を示す図であり、同図ａは正面断
面図｛同図ｂのＢ−Ｂ線上断面矢視図｝、同図ｂ
は側面断面図｛同図ａのＡ−Ａ線上断面矢視図｝
、第２図は従来のパワートランジスタの回路基板
への取付構造を示す図であり、同図ａは正面断面
図｛同図ｂのＤ−Ｄ線上断面矢視図｝、同図ｂは
側面断面図｛同図ａのＣ−Ｃ線上断面矢視図｝で
ある。
図中、１……パワートランジスタ、２……放熱
板、２１……小穴、４……絶縁シート、５……回
路基板、６……ネジ、８……リード、９……絶縁
スペーサ、９１……突起、である。
FIG. 1 is a diagram showing the mounting structure of the power transistor of the present invention on a circuit board, and FIG.
is a side cross-sectional view {a cross-sectional view taken along the line A-A in the figure a}
, Fig. 2 is a diagram showing a conventional mounting structure of a power transistor on a circuit board, in which Fig. 2a is a front sectional view {a cross-sectional view taken along line D-D in Fig. 2b}, and Fig. 2b is a side sectional view. FIG. 2 is a cross-sectional view taken along line C-C in FIG. In the figure, 1... power transistor, 2... heat sink, 21... small hole, 4... insulating sheet, 5... circuit board, 6... screw, 8... lead, 9... insulating spacer, 91... ...It's a protrusion.
Claims (1)
の間に絶縁スペーサを介在させ、且つ該ケースの
前記絶縁スペーサの反対側に放熱板を配置し、前
記回路基板と放熱板を締め付け部材で締め付けて
該回路基板に固定するパワートランジスタの取付
構造において、前記放熱板の所定部分に小穴を形
成するとともに、前記絶縁スペーサに該小穴に嵌
挿される弾性力により係合する突起を形成したこ
とを特徴とするパワートランジスタの取付構造。 An insulating spacer is interposed between a part of the case of the power transistor and the circuit board, and a heat sink is arranged on the opposite side of the case to the insulating spacer, and the circuit board and the heat sink are tightened with a tightening member to close the circuit. A mounting structure for a power transistor fixed to a substrate, characterized in that a small hole is formed in a predetermined portion of the heat sink, and a protrusion is formed in the insulating spacer to be engaged by elastic force when inserted into the small hole. Transistor mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4100989U JPH0648864Y2 (en) | 1989-04-07 | 1989-04-07 | Power transistor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4100989U JPH0648864Y2 (en) | 1989-04-07 | 1989-04-07 | Power transistor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02131349U true JPH02131349U (en) | 1990-10-31 |
| JPH0648864Y2 JPH0648864Y2 (en) | 1994-12-12 |
Family
ID=31551304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4100989U Expired - Lifetime JPH0648864Y2 (en) | 1989-04-07 | 1989-04-07 | Power transistor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648864Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013169128A (en) * | 2012-02-17 | 2013-08-29 | Mitsubishi Heavy Ind Ltd | Inverter device and integrated type electrically driven compressor |
| JP2014220319A (en) * | 2013-05-07 | 2014-11-20 | 株式会社村田製作所 | Mounting structure |
-
1989
- 1989-04-07 JP JP4100989U patent/JPH0648864Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013169128A (en) * | 2012-02-17 | 2013-08-29 | Mitsubishi Heavy Ind Ltd | Inverter device and integrated type electrically driven compressor |
| JP2014220319A (en) * | 2013-05-07 | 2014-11-20 | 株式会社村田製作所 | Mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648864Y2 (en) | 1994-12-12 |