Datasheet

72
32072SH–AVR32–10/2012
AT32UC3A3
8.3 Soldering Profile
Table 8-5 gives the recommended soldering profile from J-STD-20.
Note: It is recommended to apply a soldering temperature higher than 250°C.
A maximum of three reflow passes is allowed per component.
Table 8-5. Soldering Profile
Profile Feature Green Package
Average Ramp-up Rate (217°C to Peak) 3°C/Second max
Preheat Temperature 175°C ±25°C 150-200°C
Time Maintained Above 217°C 60-150 seconds
Time within 5°C of Actual Peak Temperature 30 seconds
Peak Temperature Range 260 (+0/-5°C)
Ramp-down Rate 6°C/Second max.
Time 25°C to Peak Temperature 8 minutes max