CHAPTER 3 SOLDERING CONDITIONS
3.3 Recommended Soldering Conditions
3.3.3 Recommended temperature profile for each soldering method
| (6) VPS (Vapor Phase Soldering) |
|
The following is recommended soldering conditions of VPS. |
Table 3-3-6. Recommended Conditions
· Maximum temperature
(package's surface temperature) |
215°C or below |
| · Time of temperature higher than 200°C |
25 to 40 s |
| · Preheating time at 120 to 150°C |
30 to 60 s |
· Maximum chlorine content of rosin flux
(percentage mass) |
0.2 % or less |
 |
| Figure 3-3-7. VPS Temperature Profile |
| * |
The number of reflow times is one, two or three, depending on the product.
For details, consult an NEC Electronics sales representative. |