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-CT50.000

Cree, Inc.

4600 Silicon Drive

Durham, NC 27703

USA Tel: +1.919.313.5300

Fax: +1.919.313.5778

www.cree.com/ledlamps

Graphs

5/5

Format #: COTCO-D-074

REV.4

Document No. SPE/LM1-PWN1-01-N1

Rev. No.

03

G

-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.

100%

WAVELENGTH.

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

DavidLiu

2007-04-26

FCN#

FCN20070103

Data is subject to change without prior notice; please refer to COTCO Website for the latest version.