
Copyright  2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the 
Cree logo  are registered trademarks of Cree, Inc. 
CLD-CT53.000
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/ledlamps
Graphs
h
 h
s
 s
Rev. No. 
03 
  5/5                   Format #: COTCO-D-074   REV.4 
Document No. 
SPE/LM1-PWR1-11-N1
Items
Signatures 
Date
Revision History 
Prepared by 
WangFJ 
2007-04-26 
Rev.No 
Date
Change Description 
Checked by 
XieJH 
2007-04-26 
02
2005-08-17
 Release.
Approved by 
DavidLiu
2007-04-26 
03
2007-04-26
 Change tolerance of CIE(x,y) from +/-0.015 to +/-0.01 
FCN#
FCN20070103 
Data is subject to change without prior notice; please refer to COTCO Website for the latest version. 
Copyright@2002
 Cotco International Ltd.   
          REVERSE VOLTAGE.
FIG.2 REVERSE CURRENT VS.
Vr(V)
-50
-40
-30
-20
-50.0
-40.0
-30.0
Ir(uA)
-10.0
-20.0
0.0
-10
0
WAVELENGTH.
FIG.4 RELATIVE LUMINOUS INTENSITY VS.
0%
400
50%
25%
600
500
700
100%
75%
800
-90
-60
-30
90
0
30
60
0%
20%
40%
60%
80%
50% Power Angle : 
Ie(%)
0
100%
FIG.6 FAR FIELD PATTERN.
Half Power   WL=150nm
80.0
FIG.3 RELATIVE LUMINOUS INTENSITY VS.
FORWARD CURRENT
FIG.5 MAXIMUM FORWARD DC CURRENT VS
TEMPERATURE. DERATING BASED ON Tjmax=110 C
4.6
FIG.1 FORWARD CURRENT VS.
0.5
0
0
10
30
20
20
40
60
80
Rth j-a=350 C/W
0.0
IF(mA)
50
40
0.0
Rth j-s=200 C/W
40.0
20.0
60.0
          FORWARD VOLTAGE.
1.0
1.5
2.0
2.5
3.0
0.0
20.0
60.0
40.0
80.0
3.8
3.4
4.2
100.0
If (mA)
T ( C)
100
100.0
If(mA)
Vf(V)
5.0