User manual
This document is provided for informational purposes only and is not a warranty or a specication. For product specications, please
see the data sheets available at www.cree.com. For warranty information, please contact Cree Sales at sales@cree.com.
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.
4 CLD-AP12 Rev. 8
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com/xlamp
Performance Groups – Brightness (continued)
Royal-blue XLamp XR-E and XR-C LEDs are tested for radiant ux and placed into one of the following radiant-ux
groups:
Group
Min. Radiant Flux
(mW) @ 350 mA
Max. Radiant Flux
(mW) @ 350 mA
12 250 300
13 300 350
14 350 425
15 425 500
16 500 600
Performance Groups – Chromaticity
White XLamp LEDs are tested for chromaticity and placed into one of the regions dened by the bounding coordinates
below.
White Chromaticity Region Bounding Coordinates
Region x y Region x y
WK
.283 .284
WF
.314 .355
.295 .297 .316 .332
.298 .288 .306 .322
.287 .276 .301 .342
WA
.292 .306
WP
.317 .319
.295 .297 .329 .330
.283 .284 .329 .318
.279 .291 .318 .308
WM
.295 .297
WD
.329 .345
.308 .311 .329 .330
.310 .300 .317 .319
.298 .288 .316 .332
WB
.306 .322
WG
.329 .369
.308 .311 .329 .345
.295 .297 .316 .332
.292 .306 .314 .355
WE
.301 .342
WJ
.329 .330
.306 .322 .329 .345
.292 .306 .346 .359
.287 .321 .344 .342
WN
.308 .311
WH
.348 .384
.317 .319 .346 .359
.318 .308 .329 .345
.310 .300 .329 .369
WC
.316 .332
.317 .319
.308 .311
.306 .322