
Copyright  2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the 
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Copyright@2002
 Cotco International Ltd. 
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/ledlamps
Graphs
G
 G
r
 r
a
 a
p
 p
h
 h
s
 s
Document No. SPE/LM1-PWN1-01-N1
Rev. No. 
03 
-90
-60
-30
90
0
30
60
0%
20%
40%
60%
80%
50% Power Angle : 
Ie(%)
0
100%
700
FIG.4 RELATIVE LUMINOUS INTENSITY VS.
WAVELENGTH.
100%
25%
0%
75%
50%
500
400
600
800
          REVERSE VOLTAGE.
FIG.2 REVERSE CURRENT VS.
Half Power   WL=150nm
Vr(V)
-50
-40
-30
-20
-50.0
-40.0
Ir(uA)
0.0
-30.0
-10.0
-20.0
-10
0
FIG.6 FAR FIELD PATTERN
0.0
FORWARD CURRENT
FIG.3 RELATIVE LUMINOUS INTENSITY VS.
IF(mA)
20
FIG.5 MAXIMUM FORWARD DC CURRENT VS
TEMPERATURE. DERATING BASED ON Tjmax=110 C
0
40
20
10
0
30
50
0.0
100
60
80
40
T ( C)
Rth j-s=300 C/W
Rth j-a=450 C/W
60.0
40.0
20.0
80.0
100.0
If (mA)
          FORWARD VOLTAGE.
FIG.1 FORWARD CURRENT VS.
0.0
2.0
1.0
3.0
4.0
5.0
3.0
80.0
40.0
20.0
60.0
100.0
If(mA)
4.2
3.4
3.8
4.6
5.0
Vf(V)
Items
Signatures 
Date
Revision History
Prepared by 
Rev.No
Date
Change Description 
WangFJ 
2007-04-26 
Release. Change IV Rank from T2~U2 (avg) 550mcd to T2~V1 
(avg) 600mcd. 
Checked by 
02
2005-07-28
XieJH 
2007-04-26 
Approved by 
03
2007-04-26
 Change tolerance of CIE(x,y) from +/-0.015 to +/-0.01 
DavidLiu
2007-04-26 
FCN#
FCN20070103