User manual

This document is provided for informational purposes only and is not a warranty or a specication. For product specications, please
see the data sheets available at www.cree.com. For warranty information, please contact Cree Sales at [e-mail].
Copyright © 2007-2008 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree,
the Cree logo and XLamp are registered trademarks of Cree, Inc.
6 CLD-AP12 Rev. 8
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: [phone]
www.cree.com/xlamp
Performance Groups – Dominant Wavelength
Color XLamp LEDs are tested for dominant wavelength (DWL) and placed into one of the DWL groups dened below.
Color DWL Group
Min. DWL (nm)
@ 350 mA
Max. DWL (nm)
@ 350 mA
Royal Blue
D3 450 455
D4 455 460
D5 460 465
Blue
B3 465 470
B4 470 475
B5 475 480
B6 480 485
Green
G2 520 525
G3 525 530
G4 530 535
Amber
A2 585 590
A3 590 595
Red-Orange
O3 610 615
O4 615 620
Red
R2 620 625
R3 625 630
Performance Groups – Forward Voltage
Amber, red-orange and red XLamp LEDs are tested for forward voltage and placed into one of the forward voltage
groups dened below.
Forward
Voltage
Group
Min. Forward
Voltage
@ 350 mA
Max. Forward
Voltage
@ 350 mA
B 1.75 2.0
C 2.0 2.25
D 2.25 2.5