6.4 Moisture Sensitivity Level (MSL)
SIM7000 is qualified to Moisture Sensitivity Level (MSL) 4 in accordance with JEDEC
J-STD-033.
The following table shows the features of Moisture Sensitivity Level (MSL). After seal off, storage
conditions must meet the following table. If the storage time was expired, module must be baking
before SMT.
Table 36: Moisture Sensitivity Level and Floor Life
Moisture Sensitivity Level
(MSL)
Floor Life (out of bag) at factory ambient≤30°C/60% RH or as
stated
1
≦
℃
1 year at ≦30℃/60% RH
2a
4 weeks at ≦30℃/60% RH
3
168 hours at ≦30℃/60% RH
4
72 hours at ≦30℃/60% RH
5
48 hours at ≦30℃/60% RH
≦
℃
6
Mandatory bake before use. After bake, it must be reflowed within the
time limit specified on the label.
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