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MC-E Fiches technique(PDF) 10 Page - Cree, Inc |
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MC-E Fiches technique(HTML) 10 Page - Cree, Inc |
10 / 13 page Copyright © 2008-2011 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. 10 xlamp mC-e leds notes moisture sensitivity XLamp mC-e LeDs are shipped in sealed, moisture-barrier bags (mBB) designed for long shelf life. If XLamp mC-e LeDs are exposed to moist environments after opening the mBB packaging but before soldering, damage to the LeD may oc- cur during the soldering operation. The following derating table defines the maximum exposure time (in days) for an XLamp mC-e LeD in the listed humidity and tempera- ture conditions. LeDs with exposure time longer than the time specified below must be baked according to the baking conditions listed here. baking conditions It is not necessary to bake all XLamp mC-e LeDs. only the LeDs that meet all of the following criteria must be baked: LeDs that have been removed from the original mBB packaging LeDs that have been exposed to a humid environment longer than listed in the moisture Sensitivity section above LeDs that have not been soldered LeDs should be baked at 80ºC for 24 hours. LeDs may be baked on the original reels. Remove LeDs from mBB packaging before baking. Do not bake parts at temperatures higher than 80ºC. This baking operation resets the exposure time as defined in the Moisture Sensitivity section above. storage conditions XLamp mC-e LeDs that have been removed from original mBB packaging but not soldered yet should be stored in a room or cabinet that will maintain an atmosphere of 25 ±5ºC and no greater than 10% RH. For LeDs stored in these condi- tions, storage time does not add to exposure time as defined in the above Moisture Sensitivity section. rohs compliance The levels of environmentally sensitive, persistent biologically toxic (pBT), persistent organic pollutants (pop), or other- wise 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/ eC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended through april 21, 2006. vision advisory claim waRNING. Do not look at exposed LeD lamps in operation. eye injury can result. For more information about LeDs and eye safety, please refer to the Cree LeD eye Safety application Note (http://www.cree.com/products/pdf/XLamp_eye- Safety.pdf). temperature maximum Percent relative humidity 30% 40% 50% 60% 70% 80% 90% 30ºC 9 5 4 3 1 1 1 25ºC 12 7 5 4 2 1 1 20ºC 17 9 7 6 2 2 1 |
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