XLAMP MP-L EASYWHITE LEDS
notes
lꢍꢃꢁꢊ mꢂꢇꢊꢈꢁꢊꢂꢊꢎꢁ Pꢀꢋjꢁꢎꢈꢇꢋꢊꢄ
Basꢀd on intꢀrnal long-tꢀrm rꢀliability tꢀsting, Crꢀꢀ projꢀcts XLamp MP-L easyWhitꢀ LeDs to maintain a mꢀan 70%
lumen maintenance after 50,000 hours at maximum rated drive current, provided the LED solder point temperature is
maintained at or below 85°C.
Plꢀasꢀ rꢀad thꢀ XLamp Long-Tꢀrm Lumꢀn Maintꢀnancꢀ application notꢀ for morꢀ dꢀtails on Crꢀꢀ’s lumꢀn maintꢀnancꢀ
tꢀsting and forꢀcasting. Plꢀasꢀ rꢀad thꢀ XLamp Thꢀrmal Managꢀmꢀnt application notꢀ for dꢀtails on how thꢀrmal dꢀsign,
ambiꢀnt tꢀmpꢀraturꢀ, and driꢁꢀ currꢀnt affꢀct thꢀ LeD junction tꢀmpꢀraturꢀ.
mꢋꢇꢄꢈꢍꢀꢁ sꢁꢊꢄꢇꢈꢇꢐꢇꢈꢅ
XLamp MP-L easyWhitꢀ LeDs arꢀ shippꢀd in sꢀalꢀd, moisturꢀ-
mꢂxꢇꢃꢍꢃ Pꢁꢀꢎꢁꢊꢈ rꢁꢉꢂꢈꢇꢐꢁ hꢍꢃꢇꢌꢇꢈꢅ
tꢁꢃp.
barrier bags (MBB) designed for long shelf life. If XLamp MP-L
30% 40% 50% 60% 70% 80% 90%
easyWhitꢀ LeDs arꢀ ꢀxposꢀd to moist ꢀnꢁironmꢀnts aftꢀr opꢀn-
ing thꢀ MBB packaging but bꢀforꢀ soldꢀring, damagꢀ to thꢀ
LeD may occur during thꢀ soldꢀring opꢀration. Thꢀ following
derating table defines the maximum exposure time (in days)
for an XLamp MP-L easyWhitꢀ LeD in thꢀ listꢀd humidity and
35ºC
30ºC
25ºC
20ºC
-
-
-
-
-
-
-
-
-
-
-
-
17
28
-
1
1
2
2
.5
1
.5
1
1
1
-
1
1
temperature conditions. LEDs with exposure time longer than the time specified below must be baked according to the
baking conditions listꢀd bꢀlow.
Bꢂkꢇꢊꢏ cꢋꢊꢌꢇꢈꢇꢋꢊꢄ
It is not nꢀcꢀssary to bakꢀ all XLamp MP-L easyWhitꢀ LeDs. Only thꢀ LeDs that mꢀꢀt all of thꢀ following critꢀria must
be baked:
1. LeDs that haꢁꢀ bꢀꢀn rꢀmoꢁꢀd from thꢀ original MBB packaging
2. LeDs that haꢁꢀ bꢀꢀn ꢀxposꢀd to a humid ꢀnꢁironmꢀnt longꢀr than listꢀd in thꢀ Moisturꢀ Sꢀnsitiꢁity sꢀction aboꢁꢀ
3. LeDs that haꢁꢀ not bꢀꢀn soldꢀrꢀd
LeDs should bꢀ bakꢀd at 80ºC for 24 hours. LeDs may bꢀ bakꢀd on thꢀ original rꢀꢀls. Rꢀmoꢁꢀ LeDs from MBB packaging
bꢀforꢀ baking. Do not bakꢀ parts at tꢀmpꢀraturꢀs highꢀr than 80ºC. This baking opꢀration rꢀsꢀts thꢀ ꢀxposurꢀ timꢀ as
defined in the Moisture Sensitivity section above.
Copyright © 2010 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
Copyright © 2010 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.
of Cree, Inc.
10
CREE [ CREE, INC ]
