4

Solder Reflow Temperature Profile (Gull Wing Surface Mount Option 300 Parts)

Note: Non-halide flux should be used

0

TIME (SECONDS)

200

100

50

150

100

200

250

300

0

30

SEC.

50 SEC.

30

SEC.

160˚C

140˚C

150˚C

PEAK

TEMP.

245˚C

PEAK

TEMP.

240¡C

PEAK

TEMP.

230˚C

SOLDERING

TIME

200˚C

PREHEATING TIME

150˚C, 90 + 30 SEC.

2.5˚C ± 0.5˚C/SEC.

3˚C + 1˚C/-0.5˚C

TIGHT

TYPICAL

LOOSE

ROOM

TEMPERATURE

PREHEATING RATE 3˚C + 1˚C/-0.5˚C/SEC.

REFLOW HEATING RATE 2.5˚C ± 0.5˚C/SEC.

Recommended Pb-Free IR Profile

217˚C

RAMP-DOWN

6˚C/SEC. MAX.

RAMP-UP

3˚C/SEC. MAX.

150 - 200 ˚C

260 +0/-5˚C

t 25˚C to PEAK

60 to 150 SEC.

20-40 SEC.

TIME WITHIN 5˚C of ACTUAL

PEAK TEMPERATURE

tp

PREHEAT

60 to 180 SEC.

25

TIME (SECONDS)

NOTES:

THE TIME FROM 25 C to PEAK TEMPERATURE = 8 MINUTES MAX.

Note: Non-halide flux should be used