Recommended processing parameters, Reflow parameter, Temperature (°c) – PNI ASIC User Manual

Page 19: Time (sec), Preheat temperature (tsmin to tsmax), 150°c – 200°c, Temperature tl (typical solder melting point), 218°c, Tsmax to tl ramp-up rate, 3°c/second max

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Recommended Processing Parameters

Figure 11: Lead Free Reflow Profile

Table 14 Recommended Processing Parameters

a

Reflow Parameter

Temperature (°C)

Time (sec)

Preheat Temperature (T

Smin

to T

Smax

)

150°C – 200°C

60-180

Temperature T

L

(typical solder melting point)

>218°C

T

Smax

to T

L

Ramp-up Rate

3°C/second max

Peak Temperature T

P

260°C

Time 25°C to Peak T

P

6 minute max

Time Maintained Above Temperature T

L

(t

L

)

218°C

60-120

Soak (time within 5° of actual Peak T

P

)

10-20

Ramp-down Rate

4°C/second max










a. Meets lead-free profile recommendations (IPC/JEDEC J-STD-020)

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