M4T28-BR12SH ST Microelectronics, M4T28-BR12SH Datasheet - Page 31

• Manufacturer Part Number: M4T28-BR12SH
• Description: TIMEKEEPER SNAPHAT Battery & Crystal
• Manufacturer: ST Microelectronics

Figure 26. SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Package Outline
Note: Drawing is not to scale.
Table 19. SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Package Mechanical
A2
Symbol
ddd
A1
A2
A
B
C
D
E
H
N
e
L
SO-E
14
15
B
1.27
Typ
D
e
millimeters
17.91
10.16
2.44
0.15
2.29
0.41
0.20
7.57
0.51
Min
28
0°
–
28
1
A1
18.01
10.52
E
Max
2.69
0.31
2.39
0.51
0.31
0.10
7.67
0.81
8°
–
H
A
ddd
0.050
Typ
M41ST85Y, M41ST85W
inches
0.096
0.006
0.090
0.016
0.008
0.705
0.298
0.400
0.020
Min
A1
28
0°
–
L
0.106
0.012
0.094
0.020
0.012
0.709
0.004
0.302
0.414
0.032
Max
h x 45û
8°
–
31/33
C