VLMW21 Datasheet, PDF (4/10 Pages) Vishay Siliconix – Luminous intensity categorized

VLMW21..
Vishay Semiconductors
100
10
1
2.0 2.5 3.0 3.5 4.0 4.5
20017_1
V_F - Forward Voltage (V)
Figure 3. Forward Current vs. Forward Voltage
100
80
60
40
20
0
400
500
600
700
800
16196_1
λ - Wavelength (nm)
Figure 4. Relative Intensity vs. Wavelength
2.0
1.6
1.2
0.8
0.4
0.0
0
20 40 60 80 100
16197_1 ^Tamb ^{- Ambient Temperature (°C)}
Figure 5. Rel. Luminous Intensity vs. Ambient Temperature
0.350
0.345
0.340
Linear (Y)
0.335
0.330 ^X
Y
0.325
0.320
0.315
Linear (X)
0.310
6 8 10 12 14 16 18 20
19415
I_F - Forward Current (mA)
Figure 6. Chromaticity Coordinate Shift vs. Forward Current
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
- 40 - 20 0 20 40 60 80 100
20042 T_amb - Ambient Temperature (°C)
Figure 7. Forward Voltage vs. Ambient Temperature
0° 10° 20°
30°
40°
1.0
0.9
50°
0.8
60°
70°
0.7
80°
0.6 0.4 0.2 0
95 10319_1
Figure 8. Rel. Luminous Intensity vs. Angular Displacement
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Document Number 81243
Rev. 1.4, 09-Feb-10