Chapter 12 Welding Operation Instructions; Reflow Temperature - Ebyte E150-400T30S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

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
Solder Paste
Preheat Temperature min （Tsmin）
Preheat temperature max (Tsmax)
Preheat Time (Tsmin to Tsmax)(ts)
Average ramp-up rate(Tsmax to Tp)
Liquidous Temperature (TL)
Time（tL）Maintained Above（TL）
Peak temperature（Tp）
Aveage ramp-down rate（Tp to Tsmax）
Time 25℃ to peak temperature
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Curve characteristics
Solder paste
Minimum preheating
temperature
Maximum preheating
temperature
Preheating time
Average rising rate
Liquid phase
temperature
Time above the liquidus
Peak temperature
Average rate of decline
Time from 25 ℃ to peak
temperature
E150-400T30S user manual
Sn-Pb Assembly Pb-Free Assembly
Sn63/Pb37 Sn96.5/Ag3/Cu0.5
100℃
150℃
60-120 sec
3℃/second max 3℃/second max
183℃
60-90 sec
220-235℃
6℃/second max 6℃/second max
6 minutes max 8 minutes max
150℃
200℃
60-120 sec
217℃
30-90 sec
230-250℃
40