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530402B00150G

更新时间： 2024-02-15 03:46:27
品牌 Logo 应用领域
爱美达 - AAVID 散热片
页数 文件大小 规格书
116页 8734K
描述
Channel style heat sink with folded back fins

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530402B00150G 数据手册

 浏览型号530402B00150G的Datasheet PDF文件第7页浏览型号530402B00150G的Datasheet PDF文件第8页浏览型号530402B00150G的Datasheet PDF文件第9页浏览型号530402B00150G的Datasheet PDF文件第11页浏览型号530402B00150G的Datasheet PDF文件第12页浏览型号530402B00150G的Datasheet PDF文件第13页 
How To Select a Heat Sink  
Example B  
Example A  
Find a space saving heat sink to keep a TO-220 device below the  
maximum 150°C junction temperature in natural convection. Device  
will be screw mounted with an electrically conductive interface.  
Find a heat sink to keep a TO-220 device below the maximum  
150 °C junction temperature in forced convection at 400 ft/min.  
Device must be electrically insulated and mounted with a labor  
saving clip.  
Given:  
P
R
= 6 watts  
Given:  
D
= 3°C/W (from semiconductor manufacturer)  
P
= 12 watts  
θJC  
D
T max = 150°C (from semiconductor manufacturer)  
R
= 2.5°C/W (from semiconductor manufacturer)  
θJC  
J
T
max = 65°C  
T max = 140°C (from semiconductor manufacturer)  
A
J
T
max = 50°C  
A
A KonduxTM pad is a good choice for electrically conductive  
applications.Thermal resistance for KonduxTM can be determined  
from the following graph.  
A Hi-Flow® pad works great with clip mounting and provides the  
necessary electrical insulation.Thermal resistance for  
Hi-Flow® at low pressure is 1.15°C/W (from page 87).  
Typical TO-220 Performance  
0.60  
Using equation 1, solve for R  
θSA  
0.50  
0.40  
0.30  
0.20  
0.10  
0.00  
R
= 140 – 50 - (2.5 + 1.15) = 3.85°C/W  
12  
θSA  
Many styles are available. If board space is a concern,  
533202B02551G (pg 55) meets the requirements.  
0
1
2
3
4
5
6
Screw Torque (in-lb)  
Air Velocity—Feet Per Minute  
0
200  
400  
600  
800  
1000  
10  
At 2 in-lb of torque the thermal resistance  
is approximately R = 0.5°C/W  
100  
80  
θCS  
8
60  
6
Using equation 1, solve for R  
θSA  
40  
4
2
0
20  
0
R
= 150 – 65 - ( 3 + 0.5) = 10.7°C/W  
θSA  
0
2
4
6
8
10  
6
Heat Dissipated—Watts  
53320X  
53330X  
The Index by Heat Sink Style on page 8 lists space saving heat sinks.  
Several models are in the 10 °C/W range. Choose the one that best  
fits the application and verify thermal resistance from graph.  
According to the above graph, an airflow of 400 ft/min results  
in a thermal resistance of 3°C/W.This is less than the required  
thermal resistance of 3.85°C/W and is therefore acceptable  
under these airflow conditions.  
Part number 593202B03500G shows  
a 60 °C temperature rise at 6 watts.  
Air Velocity—Feet Per Minute  
If height is a concern, 533702B02552G would meet the  
requirements and is only 1.0” tall  
0
200  
400  
600  
800  
1000  
10  
100  
80  
8
6
4
60  
Hi-Flow®is a trademark of the Bergquist Company  
40  
2
0
20  
0
0
2
4
6
8
10  
Heat Dissipated—Watts  
R
= 60 = 10.0°C/W  
6
θSA  
Which meets the above requirement in natural convection.  
USA Tel: +1 (603) 224-9988 email: info@aavid.com  
Italy Tel: +39 051 764011 email: sales.it@aavid.com  
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com  
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg  
Taiwan Tel: +886(2) 2698-9888 email: sales@aavid.com.tw  
AMERICA  
EUROPE  
ASIA  
10  
www.aavidthermalloy.com  
1...78910111213...116

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