The mechanical specifications for the packages show the dimensions in
millimeters.
QFN40 5 x 5 mm package
Figure 1. QFN40 5 x 5 mm package
Table 1. QFN40 dimensions in millimeters
|
A |
A1 |
A3 |
b |
D, E |
D2, E2 |
e |
K |
L |
| Min. |
0.80 |
0.00 |
|
0.15 |
4.90 |
3.50 |
|
0.20 |
0.30 |
| Nom. |
0.85 |
0.035 |
0.203 |
0.20 |
5.00 |
3.60 |
0.40 |
|
0.35 |
| Max. |
0.90 |
0.05 |
|
0.25 |
5.10 |
3.70 |
|
|
0.40 |
WLCSP 2.531 x 2.531 mm package
Figure 2. WLCSP 2.531 x 2.531 mm package
Table 2. WLCSP dimensions in millimeters
|
A |
A1 |
A3 |
b |
D |
E |
D2 |
E2 |
K |
L |
e |
| Min. |
0.468 |
0.148 |
0.309 |
0.184 |
|
|
|
|
|
|
|
| Nom. |
0.491 |
|
0.327 |
|
2.531 |
2.531 |
2.100 |
2.100 |
1.025 |
1.075 |
0.350 |
| Max. |
0.514 |
0.180 |
0.345 |
0.244 |
|
|
|
|
|
|
|