Relative Light Inten
300%
250%
200%
150%
100%
50%
0%
Characteristic Curves
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.
0
50
100
150
200
Forward Current vs. Forward Voltage
Dominant Wavelength Shift (nm)
200
Wavelength Shift vs. Forward Current
2
150
1
If (mA)
100
0
50
-1
0
-2
0
50
100
150
200
0
1
2
3
4
5
Vf (V)
If (mA)
Relative Intensity vs. Forward Current
400%
120
Relative Intensity vs Peak Wavelength
Relative Light Intensity
Relative Intensity (%)
0
50
100
150
200
350%
300%
250%
100
80
60
40
20
0
320
420
520
620
200%
150%
100%
50%
0%
If (mA)
Wavelength (nm)
Wavelength Shift vs. Forward Current
Dominant Wavelength Shift (nm)
2
1
0
-1
-2
0
50
100
150
200
If (mA)
Copyright © 2011 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 TR3547 are trademarks of Cree, Inc.
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
4
CPR3FJ Rev. -
CREE [ CREE, INC ]
