Production Guidance; Reflow Soldering Temperature; Reflow Soldering Curve - Ebyte E48-433M20S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

7 Production guidance

7.1 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）
Aveage ramp-down rate（Tp to Tsmax）
Time 25℃ to peak temperature

7.2 Reflow soldering curve

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Curve characteristics
solder paste
Minimum preheating
temperature
Maximum preheating
temperature
Preheating time
Average rise rate
Fluid phase temperature
Time above the
liquid-phase line
Peak temperature
Average decrease rate
25℃ to peak
temperature
E48-433M20S User Manual
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
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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