Production Guidance; Reflow Soldering Temperature; Reflow Soldering Curve - Ebyte E32 Series User Manual

SX1278 Wireless Module

8. Production guidance

8.1 Reflow soldering 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）
Average ramp-down rate（Tp to Tsmax）
Time 25℃ to peak temperature

8.2 Reflow soldering curve

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Sn-Pb Assembly
Sn63/Pb37
100℃
150℃
60-120 sec
3℃/second max
183℃
60-90 sec
220-235℃
6℃/second max
6 minutes max
E32 Series User Manual
Pb-Free Assembly
Sn96.5/Ag3/Cu0.5
150℃
200℃
60-120 sec
3℃/second max
217℃
30-90 sec
230-250℃
6℃/second max
8 minutes max
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