HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
Mechanical Specifications
Issue 01 (2016-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
64
6.8.3 Reflow Profile
The LGA module must be reflowed on the top side of customer's development board.
For the soldering temperature of the LGA module, see the following figure.
Figure 6-9
Reflow profile
240
300
180
217
165
120
60
0
s
°C
60s~100s
45s~80s
235°C<Tmax<245°C
Table 6-2
Reflow parameters
Temperature Zone
Time
Key Parameter
Preheat zone
(40°C
–165°C)
/
Heating rate: 0.5°C/s
–2°C/s
Soak zone
(165°C
–217°C)
(t1
–t2): 60s–100s
/
Reflow zone (> 217°C) (t3
–t4): 45s–80s
Peak reflow temperature:
235°C
–245°C
Cooling zone
Cooling rate: 2
°C/s ≤ Slope ≤ 5°C/s