Relative Light Inte
100%
75%
50%
25%
Characteristic Curves
0%
0
5
10
15
20
25
30
These are representative measurements for the TR LED product. Actual curves will vary slightly for the various radiant
If (mA)
flux and dominant wavelength bins.
Forward Current vs. Forward Voltage
30
25
20
30
14
12
25
10
20
8
6
15
4
10
2
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
15
10
If (mA)
Dominant Wavelength Shift (nm)
If (mA)
5
0
0
1
2
3
4
5
0
5
-2
0
-4
0
0
1
2
3
4
5
30
5
10
15
20
25
Vf (V)
Vf (V)
If (mA)
Relative Intensity vs. Forward Current
Relative Intensity vs. Wavelength
150%
100%
125%
80%
100%
60%
75%
Relative Intensity vs. Wavelength
100%
Relative Light Intensity
Relative Light Intensity
Relative Light Intensity
0
300
5
10
15
500
20
25
30
700
80%
60%
40%
50%
40%
20%
25%
20%
0%
0%
0%
350
400
450
550
600
650
300
350
400
450
500
550
600
650
700
If (mA)
Wavelength
Wavelength
Wavelength Shift vs. Forward Current
14
12
10
8
6
4
2
0
-2
-4
0
5
10
15
20
25
30
Dominant Wavelength Shift (nm)
If (mA)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the
Cree logo are registered trademarks, and TR and TR2227 are trademarks of Cree, Inc.
4
CPR3EF Rev A
CREE [ CREE, INC ]
