A75 查看數據表（PDF） - Intel
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A75 Datasheet PDF : 70 Pages
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PENTIUM® PROCESSOR 75/90/100/120/133/150/166/200
E
Table 24. Thermal Resistances for SPGA Packages without Heat Spreader—
Pentium® Processor 75, 90, 100 and 120 MHz
Heat Sink Height in θJC (°C/Watt)
Inches
θCA(°C/Watt) vs. Laminar Airflow (linear ft/min)
0
100
200
400
600
800
0.25
0.8
9.1
8.0
6.6
4.4
3.6
3.0
0.35
0.8
8.8
7.5
6.0
4.0
3.3
2.8
0.45
0.8
8.4
7.0
5.3
3.6
2.9
2.5
0.55
0.8
8.1
6.5
4.7
3.2
2.6
2.3
0.65
0.8
7.7
6.0
4.3
3.0
2.4
2.1
0.80
0.8
7.0
5.3
3.9
2.8
2.2
2.0
1.00
0.8
6.3
4.6
3.6
2.6
2.1
1.8
1.20
0.8
5.9
4.3
3.3
2.4
2.0
1.8
1.40
0.8
5.4
3.9
3.0
2.2
1.9
1.7
Without Heat Sink
1.3
14.4
13.1
11.7
8.8
7.4
6.5
NOTE: See notes following Table 26.
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