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Thermal Resistance of ACEX Devices
Table 1 provides qJA (junction-to-ambient thermal resistance) and qJC (junction-to-case thermal resistance) values for Altera® ACEX® devices.
| Table 1: Thermal Resistance of ACEX 1K Devices |
| Device |
Pin Count |
Package |
qJC (C/W)
|
qJA (C/W)Still Air |
qJA (C/W)100 ft./min. |
qJA (C/W)200 ft./min. |
qJA (C/W)400 ft./min. |
| EP1K10 |
100 |
TQFP |
11.0
|
37.0
|
35.0
|
33.0
|
29.0
|
| 144 |
TQFP |
8.0
|
31.0
|
29.0
|
28.0
|
25.0
|
| 208 |
PQFP |
6.0
|
30.0
|
29.0
|
27.0
|
22.0
|
| 256 |
FineLine® BGA |
12.0
|
37.0
|
35.0
|
33.0
|
30.0
|
| EP1K30 |
144 |
TQFP |
8.0
|
28.0
|
27.0
|
26.0
|
24.0
|
| 208 |
PQFP |
5.0
|
30.0
|
28.0
|
26.0
|
21.0
|
| 256 |
FBGA |
9.0
|
31.0
|
29.0
|
28.0
|
25.0
|
| EP1K50 |
144 |
TQFP |
7.0
|
26.0
|
25.0
|
24.0
|
23.0
|
| 208 |
PQFP |
5.0
|
29.0
|
28.0
|
25.0
|
20.0
|
| 256 |
FBGA |
7.0
|
30.0
|
28.0
|
27.0
|
24.0
|
| 484 |
FBGA |
5.0
|
25.0
|
24.0
|
23.0
|
22.0
|
| EP1K100 |
208 |
PQFP |
5.0
|
28.0
|
26.0
|
23.0
|
18.0
|
| 256 |
FBGA |
6.0
|
28.0
|
26.0
|
25.0
|
23.0
|
| 484 |
FBGA |
5.0
|
24.0
|
23.0
|
22.0
|
21.0
|
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