Cypress Perform

Profile Feature

Sn-Pb Eutectic Assembly

Pb-Free Assembly

Preheat/Soak

Temperature Min (Tsmin)

100 °C

150 °C

Temperature Max (Tsmax)

150 °C

200 °C

Time (ts) from (Tsmin to Tsmax)

60-120 seconds

60-120 seconds

Ramp-up rate (TL to Tp)

3 °C/second max.

3 °C/second max.

Liquidous temperature (TL)

183 °C

217 °C

Time (tL) maintained above TL

60-150 seconds

60-150 seconds

Peak package body temperature (Tp)

For users Tp must not exceed the Classification temp in Table 2A. For suppliers Tp must equal or exceed the Classification temp in Table 2A

For users Tp must not exceed the Classification temp in Table 2B. For suppliers Tp must equal or exceed the Classification temp in Table 2B

Time (tp)* within 5 °C of the specified classification temperature (Tc), see Table 2a & 2B

20* seconds

30* seconds

Figure 5-1. J-STD-020D.1

Ramp-down rate (Tp to TL)

6 °C/second max.

6 °C/second max.

Time 25 °C to peak temperature

6 minutes max.

8 minutes max.

* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum

.

Package Thickness

          Volume  mm3

<350

               Volume mm3

>=350

<2.5 mm

235 °C

220 °C

>=2.5 mm

220 °C

220 °C

Package Thickness

     Volume mm3

<350

       Volume mm3

350 - 2000

      Volume mm3

             >2000

<1.6 mm

260 °C

260 °C

 260 °C

1.6 mm - 2.5 mm

260 °C

250 °C

245 °C

>2.5 mm

250 °C

245 °C

245 °C