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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


 Recommended Temperature Profile of VPS Relow(14.0KB)
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.

To 3.3.3(5) Infrared reflow at 260°CTo 3.3.3(7) WS (Wave Soldering)