LTR-553ALS-01 Datasheet, PDF (37/41 Pages) Lite-On Technology Corporation – Optical Sensor

12. Recommended Leadfree Reflow Profile
Optical Sensor
LTR-553ALS-01
255
230
217
200
180
150
120
R1
80
25
0
50
P1
HEAT
UP
R2
100
150
P2
SOLDER PASTE DRY
MAX 260C
R3
R4
60 sec to 90 sec
Above 217 C
R5
200
P3
SOLDER
REFLOW
250
P4
COOL DOWN
300
t-TIME
(SECONDS)
Process Zone
Symbol
Heat Up
P1, R1
Solder Paste Dry
P2, R2
Solder Reflow
P3, R3
P3, R4
Cool Down
P4, R5
Time maintained above liquidus point , 217C
Peak Temperature
Time within 5C of actual Peak Temperature
Time 25C to Peak Temperature
T
25C to 150C
150C to 200C
200C to 260C
260C to 200C
200C to 25C
> 217C
260C
> 255C
25C to 260C
Maximum T/time or Duration
3C/s
100s to 180s
3C/s
-6C/s
-6C/s
60s to 90s
-
20s
8mins
It is recommended to perform reflow soldering no more than twice.
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Part No. : LTR-553ALS-01
BNS-OD-FC002/A4