FM120 THRU FM1200
Suggested thermal profiles for soldering processes
1.Storage environment: Temperature=5oC~40oC Humidity=55%±25%
2.Reflow soldering of surface-mount devices
Critical Zone
TL to TP
Tp
TP
Ramp-up
TL
TL
Tsmax
Tsmin
tS
Preheat
Ramp-down
25
t25oC to Peak
Time
3.Reflow soldering
Profile Feature
Soldering Condition
Average ramp-up rate(TL to TP)
<3oC/sec
Preheat
-Temperature Min(Tsmin)
-Temperature Max(Tsmax)
-Time(min to max)(ts)
150oC
200oC
60~120sec
Tsmax to TL
-Ramp-upRate
<3oC/sec
Time maintained above:
-Temperature(TL)
-Time(tL)
217oC
60~260sec
Peak Temperature(TP)
255oC-0/+5oC
Time within 5oC of actual Peak
Temperature(tP)
10~30sec
Ramp-down Rate
<6oC/sec
Time 25oC to Peak Temperature
<6minutes
MDD ELECTRONIC
MDD [ Chendahang Electronics Co., Ltd ]
