Datasheet

Copyright © 2014 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree
®
, the Cree logo, XLamp
®
and EasyWhite
®
are registered
trademarks of Cree, Inc.
18
XLamp CXa1850 LED
NOTES
Lumen Maintenance Projections
Cree now uses standardized IES LM-80-08 and TM-21-11 methods for collecting long-term data and extrapolating LED
lumenmaintenance.ForinformationonthespecicLM-80datasetsavailableforthisLED,refertothepublicLM-80
results document at www.cree.com/xlamp_app_notes/LM80_results.
Please read the XLamp Long-Term Lumen Maintenance application note at www.cree.com/xlamp_app_notes/lumen_
maintenance for more details on Cree’s lumen maintenance testing and forecasting. Please read the XLamp Thermal
Management application note at www.cree.com/xlamp_app_notes/thermal_management for details on how thermal
design, ambient temperature, and drive current affect the LED junction temperature.
Vision Advisory Claim
Users should be cautioned not to stare at the light of this LED product. The bright light can damage the eye.
PRELIMINARY