Data Sheet

©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
HMHA281, HMHA2801 Series Rev. 5.2 7
HMHA281, HMHA2801 Series — 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers
Reflow Profile
Figure 13. Reflow Profile
Profile Freature Pb-Free Assembly Profile
Temperature Minimum (Tsmin) 150°C
Temperature Maximum (Tsmax) 200°C
Time (t
S
) from (Tsmin to Tsmax)
60–120 seconds
Ramp-up Rate (t
L
to t
P
) 3°C/second maximum
Liquidous Temperature (T
L
) 217°C
Time (t
L
) Maintained Above (T
L
)
60–150 seconds
Peak Body Package Temperature 245°C +0°C / –5°C
Time (t
P
) within 5°C of 245°C 30 seconds
Ramp-down Rate (T
P
to T
L
)
6°C/second maximum
Time 25°C to Peak Temperature 8 minutes maximum
Temperature (°C)
260
240
220
200
180
160
140
120
100
80
60
40
20
0
T
L
t
s
t
L
t
P
T
P
245
Tsmax
Tsmin
120
Max. Ramp-up Rate = 3°C/S
Max. Ramp-down Rate = 6°C/S
240 360
Time 25°C to Peak