Mechanical specifications

The mechanical specifications for the packages show the dimensions in millimeters.

aQFN™73 7 x 7 mm package

Dimensions in millimeters for the aQFN™73 7 x 7 mm package.

Figure 1. aQFN™73 7 x 7 mm package
aQFN73 dimensions in millimeters

Table 1. aQFN™73 dimensions in millimeters
  A A1 A2 A3 b D, E D2, E2 e e1 e2
Min.   0.02     0.20   4.75      
Nom.   0.05 0.675 0.13 0.25 7.00 4.85 0.5 2.75 0.559
Max. 0.85 0.08     0.30   4.95      

WLCSP 3.544 x 3.607 mm package

Dimensions in millimeters for the WLCSP 3.544 x 3.607 mm package.

Figure 2. WLCSP 3.544 x 3.607 mm package
WLCSP dimensions in millimeters
Table 2. WLCSP dimensions in millimeters
  A A1 A3 b D E D2 E2 e K L
Min. 0.464 0.148 0.303 0.184              
Nom. 0.489   0.325   3.544 3.607 3.15 3.15 0.35 1.575 1.575
Max. 0.514 0.18 0.347 0.244