Copyright © 2011-2012 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trade-

marks of Cree, Inc.

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xlamp xB-D white leDs

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Notes

Lumen maintenance Projections

Please read the XLamp Long-Term Lumen maintenance application note for more details on Cree’s lumen maintenance

testing and forecasting. Please read the XLamp Thermal management application note for details on how thermal design,

ambient temperature, and drive current affect the LeD junction temperature.

moisture Sensitivity

Intesting,CreehasfoundXLampXB-DLEDstohaveunlimitedfloorlifeinconditions≤30ºC/85%relativehumidity

(RH).Moisturetestingincludeda168-hoursoakat85ºC/85%RHfollowedby3reflowcycles,withvisualandelectrical

inspections at each stage.

Cree recommends keeping XLamp LeDs in their sealed moisture-barrier packaging until immediately prior to use. Cree

also recommends returning any unused LeDs to the resealable moisture-barrier bag and closing the bag immediately

after use.

RoHSCompliance

The levels of environmentally sensitive, persistent biologically toxic (PBT), persistent organic pollutants (PoP), or

otherwise restricted materials in this product are below the maximum concentration values (also referred to as the

threshold limits) permitted for such substances, or are used in an exempted application, in accordance with eU Directive

2002/95/EContherestrictionoftheuseofcertainhazardoussubstancesinelectricalandelectronicequipment(RoHS),

as amended through April 21, 2006.

vision Advisory Claim

WARNING: Do not look at exposed lamp in operation. eye injury can result. See LeD eye Safety at www.cree.com/

products/pdf/XLamp_eyeSafety.pdf.