Datasheet

DocID022265 Rev 6 103/121
STM32F051x4 STM32F051x6 STM32F051x8 Package information
115
7.5 WLCSP36 package information
WLCSP36 is a 36-ball, 2.605 x 2.703 mm, 0.4 mm pitch wafer-level chip-scale package.
Figure 46. WLCSP36 package outline
1. Drawing is not to scale.
Table 70. WLCSP36 package mechanical data
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
A 0.525 0.555 0.585 0.0207 0.0219 0.0230
A1 - 0.175 - - 0.0069 -
A2 - 0.380 - - 0.0150 -
A3
(2)
- 0.025 - - 0.0010 -
b
(3)
0.220 0.250 0.280 0.0087 0.0098 0.0110
D 2.570 2.605 2.640 0.1012 0.1026 0.1039
E 2.668 2.703 2.738 0.1050 0.1064 0.1078
e - 0.400 - - 0.0157 -
e1 - 2.000 - - 0.0787 -
e2 - 2.000 - - 0.0787 -
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