Data Sheet
Page 66
nRF51822 Product Specification v3.1
9 Mechanical specifications
This chapter covers the mechanical specifications for all chip variants of the nRF51822. The following table
lists the cross references to the package sections describing each package variant.
Table 64 Cross references to package variants
9.1 QFN48 package
Figure 15 QFN48 6 x 6 mm package
Table 65 QFN48 dimensions in millimeters
Package Cross references
QFN48 Section 9.1 “QFN48 package” on page 66
CDAB Section 9.2 “CDAB WLCSP package” on page 67
CEAA Section 9.3 “CEAA WLCSP package” on page 68
CFAC Section 9.4 “CFAC WLCSP package” on page 69
Package A A1 A3 b D, E D2, E2 e K L
QFN48 (6 x 6)
0.80
0.85
0.90
0.00
0.02
0.05
0.2
0.15
0.20
0.25
6.0
4.50
4.60
4.70
0.4
0.20 0.35
0.40
0.45
Min.
Nom.
Max.