Delta Electronics S48SA Power Supply User Manual


 
DS_S48SA05006_06022006
11
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 Tem
p
. 240 ~ 245
25
Note: The temperature refers to the pin of S48SA, measured on the pin 1 (+Vout ) joint.
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.
Temperature (°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 S48SA, measured on the pin 1 (+Vout ) joint.
LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE