User's Manual

Smart Machine Smart Decision

SIM7100A_User Manual_V1.01 2014-12-11

Figure 38: The ramp-soak-spike reflow profile of SIM7100A

For details about secondary SMT, please refer to document [26].

6.3 Moisture Sensitivity Level (MSL)

SIM7100A is qualified to Moisture Sensitivity Level (MSL) 5 in accordance with JEDEC J-STD-033.

After the prescribed time limit exceeded, users should bake modules for 192 hours in drying equipment

(<5% RH) at 40° C +5° C/-0° C, or 72 hours at 85° C +5° C/-5° C. Note that plastic tray is not

heat-resistant, users must not use the tray to bake at 85° C or the tray may be damaged.

Table 49: 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 Unlimited at ≦30℃/85% RH

2 1 year

2a 4 weeks

3 168 hours

4 72 hours

5 48 hours

5a 24 hours

6 Mandatory bake before use. After bake, it must be reflowed within the

time limit specified on the label.

NOTE: For product handling, storage, processing, IPC / JEDEC J-STD-033 must be followed.