Datasheet

M4T28-BR12SH, M4T32-BR12SH Package mechanical data
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5 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK
®
packages. These packages have a lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
Figure 5. SH – 4-pin SNAPHAT
®
housing for 48 mAh battery & crystal, package
outline
Note: Drawing is not to scale.
Table 4. SH – 4-pin SNAPHAT
®
housing for 48 mAh battery & crystal, package
mechanical data
SHTK-A
A1
A
D
E
eA
eB
A2
B
L
A3
Symb
mm inches
Typ Min Max Typ Min Max
A 9.78 0.385
A1 6.73 7.24 0.265 0.285
A2 6.48 6.99 0.255 0.275
A3 0.38 0.015
B 0.46 0.56 0.018 0.022
D 21.21 21.84 0.835 0.860
E 14.22 14.99 0.560 0.590
eA 15.55 15.95 0.612 0.628
eB 3.20 3.61 0.126 0.142
L 2.03 2.29 0.080 0.090