Soldier Reflow Profile
Figure 37:
Solder Reflow Profile Graph
Note(s):
1. Not to scale - for reference only.
Parameter Reference Device
Average temperature gradient in preheating 2.5°C/s
Soak time t soak 2 to 3 minutes
Time above 217°C (T 1 ) t 1 Max 60 s
Time above 230°C (T 2 ) t 2 Max 50 s
Time above T peak −10°C (T 3 ) t 3 Max 10 s
Peak temperature in reflow T peak 260°C
Temperature gradient in cooling Max −5°C/s
