ATSAM4LS4BA-AU 查看數據表（PDF） - Atmel Corporation

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ATSAM4LS4BA-AU

ATSAM ARM-based Flash MCU

Atmel Corporation 

ATSAM4L8/L4/L2

10.3 Soldering Profile

Table 10-35 gives the recommended soldering profile from J-STD-20.

Table 10-35. 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/s max

150-200°C

60-150 s

30 s

260°C

6°C/s max

8 minutes max

A maximum of three reflow passes is allowed per component.

42023GS–SAM–03/2014

165

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