Chengdu Ebyte Electronic Technology Co.,Ltd.
E150-400T30S user manual
Copyright ©2012–2022
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Chengdu Ebyte Electronic Technology Co.,Ltd.
40
Chapter 12 welding operation instructions
This product is a patch type module. When welding the module, the welding personnel must follow the
electrostatic discharge operation specifications.
This product is an electrostatic sensitive product. If you don't weld the module according to the rules,
the module may be permanently damaged.
12.1 Reflow temperature
Profile Feature
Curve characteristics
Sn-Pb Assembly
Pb-Free Assembly
Solder Paste
Solder paste
Sn63/Pb37
Sn96.5/Ag3/Cu0.5
Preheat Temperature min (Tsmin)
Minimum preheating
temperature
100℃
150℃
Preheat temperature max (Tsmax)
Maximum preheating
temperature
150℃
200℃
Preheat Time (Tsmin to Tsmax)(ts)
Preheating time
60-120 sec
60-120 sec
Average ramp-up rate(Tsmax to Tp)
Average rising rate
3℃/second max
3℃/second max
Liquidous Temperature (TL)
Liquid phase
temperature
183℃
217℃
Time(tL)Maintained Above(TL)
Time above the liquidus
60-90 sec
30-90 sec
Peak temperature(Tp)
Peak temperature
220-235℃
230-250℃
Aveage ramp-down rate(Tp to Tsmax)
Average rate of decline
6℃/second max
6℃/second max
Time 25℃ to peak temperature
Time from 25 ℃ to peak
temperature
6 minutes
max
8 minutes max