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| XR-E Datasheet, PDF (4/11 Pages) Cree, Inc – XLamp XR-E and XR-C LED Binning and Labeling | |||
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Performance Groups â Chromaticity
White XLamp LEDs are tested for chromaticity and placed into one of the regions defined by the bounding coordinates
below.
White Chromaticity Region Bounding Coordinates
Region
x
y
Region
x
y
.283
.284
.314
.355
.295
.297
.316
.332
WK
WF
.298
.288
.306
.322
.287
.276
.301
.342
.292
.306
.317
.319
.295
.297
.329
.330
WA
WP
.283
.284
.329
.318
.279
.291
.318
.308
.295
.297
.329
.345
.308
.311
.329
.330
WM
WD
.310
.300
.317
.319
.298
.288
.316
.332
.306
.322
.329
.369
.308
.311
.329
.345
WB
WG
.295
.297
.316
.332
.292
.306
.314
.355
.301
.342
.329
.330
.306
.322
.329
.345
WE
WJ
.292
.306
.346
.359
.287
.321
.344
.342
.308
.311
.348
.384
.317
.319
.346
.359
WN
WH
.318
.308
.329
.345
.310
.300
.329
.369
.316
.332
.317
.319
WC
.308
.311
.306
.322
Copyright © 2007 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.
CLD-AP12.002
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com/xlamp
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