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

Datasheet 77
Thermal Specifications and Design Considerations
Table 5-2. Thermal Profile for Processors with PRB = 1
Power
(W)
Maximum T
C
(°C)
Power
(W)
Maximum T
C
(°C)
Power
(W)
Maximum T
C
(°C)
Power
(W)
Maximum T
C
(°C)
0 44.0 30 51.5 60 59.0 90 66.5
2 44.5 32 52.0 62 59.5 92 67.0
4 45.0 34 52.5 64 60.0 94 67.5
6 45.5 36 53.0 66 60.5 96 68.0
8 46.0 38 53.5 68 61.0 98 68.5
10 46.5 40 54.0 70 61.5 100 69.0
12 47.0 42 54.5 72 62.0 102 69.5
14 47.5 44 55.0 74 62.5 104 70.0
16 48.0 46 55.5 76 63.0 106 70.5
18 48.5 48 56.0 78 63.5 108 71.0
20 49.0 50 56.5 80 64.0 110 71.5
22 49.5 52 57.0 82 64.5 112 72.0
24 50.0 54 57.5 84 65.0 114 72.5
26 50.5 56 58.0 86 65.5 115 72.8
28 51.0 58 58.5 88 66.0
Figure 5-1. Thermal Profile for Processors with PRB = 1
y = 0.25x + 44
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
0 102030405060708090100110
Power (W)
Tcase (C)