ATUC128D3_14 Datasheet, PDF (58/69 Pages) ATMEL Corporation – High Performance, Low Power 32-bit AVR

UC3D
9.3 Soldering Profile
Table 9-14 gives the recommended soldering profile from J-STD-20.
Table 9-14. Soldering Profile
Profile Feature
Average Ramp-up Rate (217°C to Peak)
Preheat Temperature 175°C ±25°C
Temperature 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/s max
150°C min, 200°C max
60-150 s
30 s
260°C
6°C/s max
8 minutes max
A maximum of three reflow passes is allowed per component.
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32133D–11/2011