Intel Pentium 4 Processors 570/571, 560/561, 550/551, 540/541, 530/531 and 520/521 Supporting Hyper-ThreadingTechnology* Datasheet

78 Datasheet
Thermal Specifications and Design Considerations
Table 5-3. Thermal Profile for Processors with PRB = 0
Power
(W)
Maximum Tc
(°C)
Power
(W)
Maximum Tc
(°C)
Power
(W)
Maximum Tc
(°C)
0 44.2 30 52.6 60 61.0
2 44.8 32 53.2 62 61.6
4 45.3 34 53.7 64 62.1
6 45.9 36 54.3 66 62.7
8 46.4 38 54.8 68 63.2
10 47.0 40 55.4 70 63.8
12 47.6 42 56.0 72 64.4
14 48.1 44 56.5 74 64.9
16 48.7 46 57.1 76 65.5
18 49.2 48 57.6 78 66.0
20 49.8 50 58.2 80 66.6
22 50.4 52 58.8 82 67.2
24 50.9 54 59.3 84 67.7
26 51.5 56 59.9
28 52.0 58 60.4
Figure 5-2. Thermal Profile for Processors with PRB = 0
y = 0.28x + 44.2
40.0
45.0
50.0
55.0
60.0
65.0
70.0
0 1020304050607080
Power (W)
Tcase (C)