Rainbow Electronics AT91CAP9S250A - Manual (Page 990)

990
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
48.3 Soldering Profile
Table 48-6 gives the recommended soldering profile from J-STD-020C.
Note: It is recommended to apply a soldering temperature higher than 250°C
A maximum of three reflow passes is allowed per component.
Table 48-6. Soldering Profile
Profile Feature Green Package
Average Ramp-up Rate (217°C to Peak) 3
°
C/sec. max.
Preheat Temperature 175°C ±25°C 180 sec. max.
Temperature Maintained Above 217°C 60 sec. to 150 sec.
Time within 5
°
C of Actual Peak Temperature 20 sec. to 40 sec.
Peak Temperature Range 260 +0
°
C
Ramp-down Rate 6
°
C/sec. max.
Time 25
°
C to Peak Temperature 8 min. max.