SAM7X256_14 Datasheet, PDF (605/662 Pages) ATMEL Corporation – ARM-based Flash MCU

39.2 Soldering Profile
Table 39-5 gives the recommended soldering profile from J-STD-020C.
Table 39-5. 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°C
Ramp-down Rate
6°C/sec. max.
Time 25°C to Peak Temperature
8 min. max.
Note: The package is certified to be backward compatible with Pb/Sn soldering profile.
A maximum of three reflow passes is allowed per component.
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
605