HCPL-7840-500E Datasheet, PDF (5/19 Pages) AVAGO TECHNOLOGIES LIMITED – Isolation Amplifi er

Solder Reflow Temperature Profile
300
PREHEATING RATE 3°C + 1°C/–0.5°C/SEC.
REFLOW HEATING RATE 2.5°C ± 0.5°C/SEC. _PEAK
TEMP.
245°C
200
160°C
150°C
140°C
100
2.5°C ± 0.5°C/SEC.
3°C + 1°C/–0.5°C
PREHEATING TIME
150°C, 90 + 30 SEC.
30
SEC.
30
SEC.
PEAK
TEMP.
240°C
PEAK
TEMP.
230°C
SOLDERING
TIME
200°C
50 SEC.
ROOM
TEMPERATURE
0
0
TIGHT
TYPICAL
LOOSE
50
100
150
200
250
TIME (SECONDS)
Note: Non-halide flux should be used..
Recommended Pb-Free IR Profile
t_p
T_p
260 +0/-5 °C
T_L ^{217 °C}
RAMP-UP
3 °C/SEC. MAX.
T_smax ^{150 - 200 °C}
T_smin
t_s
PREHEAT
t_L
60 to 180 SEC.
TIME WITHIN 5 °C of ACTUAL
PEAK TEMPERATURE
20-40 SEC.
RAMP-DOWN
6 °C/SEC. MAX.
60 to 150 SEC.
25
t 25 °C to PEAK
TIME
NOTES:
THE TIME FROM 25 °C to PEAK TEMPERATURE = 8 MINUTES MAX.
T_smax = 200 °C, T_smin = 150 °C
Note: Non-halide flux should be used.
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