Data Sheet

©2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
4N25M, 4N26M, 4N27M, 4N28M, 4N35M, 4N36M, 4N37M Rev. 1.3 7
4N25M, 4N26M, 4N27M, 4N28M, 4N35M, 4N36M, 4N37M — 6-Pin General Purpose Phototransistor Optocouplers
Reflow Profile
Figure 14. Reflow Profile
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
°C
Time (s)
0 60 180120 270
260°C
> 245°C = 42 s
Time above
183°C = 90 s
360
1.822°C/s Ramp-up rate
33 s