Leaded (sn/pb) process recommend temp. profile, Lead free (sac) process recommend temp. profile, Temp – Delta Electronics Series S48SP User Manual

Page 12: Time

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DS_S48SP3R310_05222008


12

LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE

Time ( sec. )

Pre-heat temp.

140~180°C 60~120 sec.

Peak temp.

210~230°C 5sec.

Ramp-up temp.

0.5~3.0°C /sec.

T

emperatur

e (

°C )

50

100

150

200

250

300

60

0 120

180

240

2nd Ramp-up temp.

1.0~3.0°C /sec.

Over 200°C

40~50sec.

Cooling down rate <3°C /sec.

Note: The temperature refers to the pin of S48SP, measured on the pin +Vout joint.


LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE

Temp

.

Time

150

200

100~140 sec.

Time Limited 90 sec.
above 217

217

Preheat time

Ramp up
max. 3
/sec.

Ramp down
max. 4
/sec.

Peak Temp. 240 ~ 245

25

Note: The temperature refers to the pin of S48SP, measured on the pin +Vout joint.

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