39.3 Soldering Profile
The following table provides the recommended soldering profile from J-STD-20.
| Profile Feature | Green Package |
|---|---|
| Average Ramp-up Rate (217°C to Peak) | 3°C/s max. |
| Preheat Temperature: 175°C ±25°C | 150-200°C |
| Time Maintained Above 217°C | 60-150s |
| Time Within 5°C of Actual Peak Temperature | 30s |
| Peak Temperature Range | 260°C |
| Ramp-Down Rate | 6°C/s max. |
| Time From 25°C to Peak Temperature | 8 minutes max. |
A maximum of three reflow passes is allowed per component.