Datasheet
VLMO21.., VLMS21.., VLMY21..
www.vishay.com
Vishay Semiconductors
Rev. 1.5, 28-Nov-14
6
Document Number: 81233
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 13 - Relative Luminous Intensity vs. Ambient Temperature
Fig. 14 - Relative Intensity vs. Wavelength
Fig. 15 - Pulse Forward Current vs. Pulse Duration
SOLDERING PROFILE
Fig. 16 - Vishay Leadfree Reflow Soldering Profile
(acc. to J-STD-020)
yellow
0
0.4
0.8
1.6
1.2
2.0
95 9992
I- Relative Luminous Intensity
v rel
T
amb
- Ambient Temperature (°C)
20 40 60 800 100
550 570 590 610 630
0
0.2
0.4
0.6
0.8
1.2
650
95 10039
λ - Wavelength (nm)
1.0
yellow
I
rel
- Relative Intensity
0.01 0.1 1 10
1
10
100
1000
10 000
t
p
- Pulse Length (ms)
100
95 9985
I
F
- Forward Current (mA)
DC
t
p
/T = 0.005
0.5
0.2
0.1
0.01
0.05
0.02
T
amb
< 60 °C
0
50
100
150
200
250
300
0 50 100 150 200 250 300
Time (s)
Temperature (°C)
240 °C
245 °C
max. 260 °C
max. 120 s
max. 100 s
217 °C
max. 30 s
max. ramp up 3 °C/s
max. ramp down 6 °C/s
19885
IR Reflow Soldering Profile for Lead (Pb)-free Soldering
Preconditioning acc. to JEDEC level 2a
max. 2 cycles allowed
255 °C