1 d a t a s h e e t : c l d - d s 3 9 p r e l i m i n a r y preliminary december 3, 2010 cree ? xlamp ? ml-b leds data sheet the cree ? xlamp ? ml-b led brings lighting-class reliability and performance to 1/4-watt leds. the xlamp ml-b expands crees lighting-class leadership in linear and distributed lighting applications. with xlamp lighting-class reliability, a wide viewing angle, uniform light output, and industry-leading chromaticity binning in a 3.5-mm x 3.5-mm package, the xlamp ml-b led continues crees history of segment-focused product innovation in leds for lighting applications. the xlamp ml-b led brings high performance and a smooth look to a wide range of lighting applications, including linear lighting, fuorescent retrofts and retail- display lighting. table of contents flux characteristics (t j = 25c) ................................................................................................................. 2 characteristics ........................................................................................................................................ 2 relative spectral power distribution ........................................................................................................... 3 relative flux vs. junction temperature (i f = 80 ma) .................................................................................... 3 typical spatial distribution ........................................................................................................................ 4 bin and order-code format ...................................................................................................................... 4 refow soldering characteristics ................................................................................................................ 5 notes ..................................................................................................................................................... 6 mechanical dimensions (t a = 25c) .............................................................................. ............................. 7 top view ............................................................................................................................................... 6 bottom view .......................................................................................................................................... 6 top view ............................................................................................................................................... 6 side view .............................................................................................................................................. 6 features ? available in white (2,600 k to 8,300 k cct) ? ansi-compatible sub-bins ? maximum drive current: 100 ma ? 120 viewing angle, uniform chromaticity profile ? electrically neutral thermal path ? rohs and reach-compliant ? unlimited foor life at 30c/85% rh subject to change without notice. www.cree.com/xlamp
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. 2 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 flux characteristics (t j = 25c) the following table provides several base order codes for xlamp ml-b leds. it is important to note that the base order codes listed here are a subset of the total available order codes for the product family. for more order codes, as well as a complete description of the order-code nomenclature, please consult the xlamp ml family binning and labeling document. color cct range base order codes min luminous flux (lm) @ 80 ma order code min. max. group flux (lm) cool white 5,000 k 8,300 k h0 18.1 mlbawt-a1-0000-000v51 j0 23.5 MLBAWT-A1-0000-000W51 warm white 3,700 k 4,300 k h0 18.1 mlbawt-a1-0000-000ve5 j0 23.5 mlbawt-a1-0000-000we5 2,800 k 3,200 k h0 18.1 mlbawt-a1-0000-000ve7 j0 23.5 mlbawt-a1-0000-000we7 notes: ? cree maintains a tolerance of +/- 7% on fux measurements. ? typical cri for cool white (4,300 k C 8,300 k cct) is 75. ? typical cri for warm white (2,600 k C 4,300 k cct) is 80. characteristics characteristics unit minimum typical maximum thermal resistance, junction to solder point c/w tbd viewing angle (fwhm) degrees 120 temperature coeffcient of voltage mv/c -3 esd classifcation (hbm per mil-std-883d) class 2 dc forward current ma 80 100 forward voltage (@ 75 ma) v 3.3 3.5 led junction temperature c 150
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. 3 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 relative spectral power distribution relative flux vs. junction temperature (i f = 80 ma) relative spectral power ml-e - ok 0 20 40 60 80 100 400 450 500 550 600 650 700 750 relative radiant power (%) wavelength (nm) 5000k - 8300k cct 3500k - 5000k cct 2600k - 3500k cct 0% 20% 40% 60% 80% 100% 120% 25 45 65 85 105 125 145 relative luminous flux junction temperature (oc)
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. 4 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 typical spatial distribution bin and order-code format bin codes and order codes are confgured in the following manner: 0 20 40 60 80 100 120 - 100 - 80 - 60 - 40 - 20 0 20 40 60 80 100 relative luminous intensity (%) angle (o) ssss cc -bb- www -ff-g-gaaaa series mlba= ml -b mlea = ml -e optical configur ation (default = a1) luminous or r adiant -flux group internal code fo rward voltage chromaticity code color wt = white ssss cc -bb -hhhh-nnnnnn series mlba= ml -b mlea = ml -e optical configur ation (default = a1) kit number internal code color wt = white
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. 5 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 refow soldering characteristics in testing, cree has found xlamp ml-b leds to be compatible with jedec j-std-020c, using the parameters listed below. as a general guideline, cree recommends that users follow the recommended soldering profle provided by the manufacturer of solder paste used. note that this general guideline may not apply to all pcb designs and confgurations of refow soldering equipment. profle feature lead-based solder lead-free solder average ramp-up rate (ts max to tp) 3c/second max. 3c/second max. preheat: temperature min (ts min ) 100c 150c preheat: temperature max (ts max ) 150c 200c preheat: time (ts min to ts max ) 60-120 seconds 60-180 seconds time maintained above: temperature (t l ) 183c 217c time maintained above: time (t l ) 60-150 seconds 60-150 seconds peak/classifcation temperature (tp) 215c 260c time within 5c of actual peak temperature (tp) 10-30 seconds 20-40 seconds ramp-down rate 6c/second max. 6c/second max time 25c to peak temperature 6 minutes max. 8 minutes max. note: all temperatures refer to topside of the package, measured on the package body surface. note: while the high refow temperatures (above) have been approved, crees best practice guideline for refow is to use as low a temperature as possible during the refow soldering process for these leds.
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. 6 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 notes moisture sensitivity in testing, cree has found xlamp ml-b leds to have unlimited foor life in conditions 30oc / 85% relative humidity (rh). moisture testing included a 168 hour soak at 85oc / 85% rh followed by 3 refow cycles, with visual and electrical inspections at each stage. 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 users should be cautioned not to stare at the light of this led product. the bright light can damage the ey e.
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. 7 cld-ds39 preliminary cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www.cree.com/xlamp preliminary december 3, 2010 mechanical dimensions (t a = 25c) all measurements are .13 mm unless otherwise indicated. recommended fr4 solder pad mx3535 pad layout top view bottom view side view top view recommended mcpcb solder pad alternative solder pad
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