Chengdu Ebyte Electronic Technology Co.,Ltd.
E104-BT02 User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
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Poor power supply may cause messy code. Make sure that the power supply is reliable;
The extension line and feeder quality are poor or too long, so the bit error rate is high.
11 Production guidance
11.1 Reflow soldering temperature
Profile Feature
Profile Feature
Sn-Pb Assembly
Pb-Free Assembly
Solder Paste
Solder Paste
Sn63/Pb37
Sn96.5/Ag3/Cu0.5
Preheat Temperature min (Tsmin)
Min preheating temp
100℃
150℃
Preheat temperature max (Tsmax)
Max preheating temp
150℃
200℃
Preheat Time (Tsmin to Tsmax)(ts)
Preheating time
60-120 sec
60-120 sec
Average ramp-up rate(Tsmax to Tp)
Average ramp-up rate
3℃/second max
3℃/second max
Liquidous Temperature (TL)
Liquid phase temp
183℃
217℃
Time(tL)Maintained Above(TL)
Time below liquid phase
line
60-90 sec
30-90 sec
Peak temperature(Tp)
Peak temp
220-235℃
230-250℃
Average ramp-down rate(Tp to Tsmax)
Average ramp-down rate
6℃/second max
6℃/second max
Time 25℃ to peak temperature
Time to peak temperature
for 25℃
6 minutes max
8 minutes max
