AT32UC3A3256S_14 Datasheet, PDF (72/94 Pages) ATMEL Corporation – High Performance, Low Power 32-bit Atmel AVR Microcontroller

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