Data Sheet

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Part No. : LTR-559ALS-01
BNS-OD-FC002/A4
Optical Sensor
LTR-559ALS-01
12. Recommended Leadfree Reflow Profile
50
100 150 200 250 300
t-TIME
(SECONDS)
25
80
120
150
180
200
230
255
0
T - TEMPERATURE (°C)
R1
R2
R3
R4
R5
217
MAX 260C
60 sec to 90 sec
Above 217 C
P1
HEAT
UP
P2
SOLDER PASTE DRY
P3
SOLDER
REFLOW
P4
COOL DOWN
Process Zone
Symbol
T
Maximum T/time or Duration
Heat Up
P1, R1
25C to 150C
3C/s
Solder Paste Dry
P2, R2
150C to 200C
100s to 180s
Solder Reflow
P3, R3
P3, R4
200C to 260C
260C to 200C
3C/s
-6C/s
Cool Down
P4, R5
200C to 25C
-6C/s
Time maintained above liquidus point , 217C
> 217C
60s to 90s
Peak Temperature
260C
-
Time within 5C of actual Peak Temperature
> 255C
20s
Time 25C to Peak Temperature
25C to 260C
8mins
It is recommended to perform reflow soldering no more than twice.