3 soldering profile – Rainbow Electronics AT91CAP9S250A User Manual
Page 990
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990
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
48.3
Soldering Profile
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.
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