It can be hard finding your way through the document access tree for
lighting LEDs from many manufacturers, and Cree is certainly no exception.

Here is a link to the top level of their LED "document library"
To get a quick overview of a product family (shift) click the (View Product
Page) link under the product title.

If interested in lumens / Watt note that figures given are at full power
and rated temperature and that substantial gains in l/W can be had by
running well below peak power and with good cooling.

The very latest LEDs do not yet feature here. (eg the new high temperature
XH-P - rated for operation at 105C to achieve 90% on initial output at
35,000 hours.)


http://www.cree.com/LED-Components-and-Modules/Document-Library



            Russell
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