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cld-ds67 rev 3 product family data sheet copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. www .cree.com/xlamp cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 cree ? xlamp ? cxa2540 led product description the xlamp cxa2540 l e d array expands crees family of high?fux, multi- die integrated arrays, offering high performance in an easy-to-use platform. with xlamp lighting-class reliability, the cxa2540s uniform emitting surface enables both directional and non-directional lighting applications and luminaire and lamp designs. available in 2 -step and 4 - step color consistency, and featuring a 19 - mm optical source, the cxa2540 brings new levels of fux and effcacy to this form factor. features ? available in ansi white bins as well as 4-step and 2-step easywhite ? bins at 2700 k, 3000 k, 3500 k, 4000 k and 5000 k cct ? available in ansi white bins as well as 4-step easywhite bins at 5700 k and 6500 k cct ? available in 70-, 80-, 90- and 93-minimum cri options ? forward voltage: 37 v ? 85 c binning and characterization ? m aximum drive current: 2100 ma ? 115 viewing angle, uniform chromaticity profile ? top-side solder connections ? thermocouple attach point ? nema ssl ?3 2011 standard fux bins ? mechanical and optical footprint consistent with cxa2520 and cxa2530 ? rohs- and r each-compliant ? ul-recognized component (e349212) table of contents characteristics .............................. 2 o perating limits ............................ 2 flux characteristics, easywhite order codes and bins .................... 3 flux characteristics, ansi white order codes and bins .................... 6 relative spectral p ower distribution . 9 e lectrical characteristics ................. 9 relative luminous flux .................. 10 typical spatial distribution ............. 11 p erformance groups - brightness .... 11 p erformance groups - chromaticity . 12 cree easywhite bins plotted on the 1931 cie color space ................... 14 cree ansi white bins plotted on the 1931 cie color space .............. 15 bin and o rder code formats .......... 16 mechanical dimensions .................. 16 thermal design ............................ 17 notes .......................................... 18 p ackaging .................................... 19
2 characteristics characteristics unit minimum typical maximum viewing angle (fwhm) degrees 115 e sd withstand voltage (hbm per m il-std-883d) v 8000 dc forward current ma 2100* reverse current ma 0.1 forward voltage (@ 1100 ma, t j = 85 c) v 37 forward voltage (@ 1100 ma, t j = 25 c) v 42 * refer to the o perating limits section. operating limits the maximum current rating of the cxa2540 is dependent on the case temperature (tc) when the l e d has reached thermal equilibrium under steady-state operation. p lease refer to the m echanical drawings section on page 16 for the location of the tc measurement point. cxa2540 0 300 600 900 1200 1500 1800 2100 2400 0 25 50 75 100 125 150 if (ma) case temperature ( c) copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
3 flux characteristics, easywhite order codes and bins (i f = 1100 ma, t j = 85 c) the following tables provide order codes for xlamp cxa2540 l e ds. for a complete description of the order code nomenclature, please reference bin and o rder code formats (page 15). cct range cri base order codes min. luminous flux @ 1100 ma 2-step order code 4-step order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* chromaticity region chromaticity region 6500 k 70 75 v4 4545 5083 65f cxa2540-0000-000n00v465f w2 4860 5435 cxa2540-0000-000n00w265f w4 5225 5843 cxa2540-0000-000n00w465f 80 --- v2 4230 4730 65f cxa2540-0000-000n0hv265f v4 4545 5083 cxa2540-0000-000n0hv465f w2 4860 5435 cxa2540-0000-000n0hw265f 5700 k 70 75 v4 4545 5083 57f cxa2540-0000-000n00v457f w2 4860 5435 cxa2540-0000-000n00w257f w4 5225 5843 cxa2540-0000-000n00w457f 80 --- v2 4230 4730 57f cxa2540-0000-000n0hv257f v4 4545 5083 cxa2540-0000-000n0hv457f w2 4860 5435 cxa2540-0000-000n0hw257f 5000 k 70 75 v4 4545 5083 50h cxa2540-0000-000n00v450h 50f cxa2540-0000-000n00v450f w2 4860 5435 cxa2540-0000-000n00w250h cxa2540-0000-000n00w250f w4 5225 5843 cxa2540-0000-000n00w450h cxa2540-0000-000n00w450f 80 --- v2 4230 4730 50h cxa2540-0000-000n0hv250h 50f cxa2540-0000-000n0hv250f v4 4545 5083 cxa2540-0000-000n0hv450h cxa2540-0000-000n0hv450f w2 4860 5435 cxa2540-0000-000n0hw250h cxa2540-0000-000n0hw250f 90 95 t4 3440 3818 50h cxa2540-0000-000n0ut450h 50f cxa2540-0000-000n0ut450f u2 3680 4115 cxa2540-0000-000n0uu250h cxa2540-0000-000n0uu250f u4 3955 4391 cxa2540-0000-000n0uu450h cxa2540-0000-000n0uu450f copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
4 cct range cri base order codes min. luminous flux @ 1100 ma 2-step order code 4-step order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* chromaticity region chromaticity region 4000 k 70 75 v2 4230 4730 40h cxa2540-0000-000n00v240h 40f cxa2540-0000-000n00v240f v4 4545 5083 cxa2540-0000-000n00v440h cxa2540-0000-000n00v440f w2 4860 5435 cxa2540-0000-000n00w240h cxa2540-0000-000n00w240f 80 --- u4 3955 4423 40h cxa2540-0000-000n0hu440h 40f cxa2540-0000-000n0hu440f v2 4230 4730 cxa2540-0000-000n0hv240h cxa2540-0000-000n0hv240f v4 4545 5083 cxa2540-0000-000n0hv440h cxa2540-0000-000n0hv440f 90 95 t2 3200 3552 40h cxa2540-0000-000n0ut240h 40f cxa2540-0000-000n0ut240f t4 3440 3818 cxa2540-0000-000n0ut440h cxa2540-0000-000n0ut440f u2 3680 4115 cxa2540-0000-000n0uu240h cxa2540-0000-000n0uu240f 3500 k 80 --- u4 3955 4423 35h cxa2540-0000-000n00u435h 35f cxa2540-0000-000n00u435f v2 4230 4730 cxa2540-0000-000n00v235h cxa2540-0000-000n00v235f v4 4545 5083 cxa2540-0000-000n00v435h cxa2540-0000-000n00v435f 93 95 t2 3200 3552 35h cxa2540-0000-000n0yt235h 35f cxa2540-0000-000n0yt235f t4 3440 3818 cxa2540-0000-000n0yt435h cxa2540-0000-000n0yt435f u2 3680 4115 cxa2540-0000-000n0yu235h cxa2540-0000-000n0yu235f 3000 k 80 --- u4 3955 4423 30h cxa2540-0000-000n00u430h 30f cxa2540-0000-000n00u430f v2 4230 4730 cxa2540-0000-000n00v230h cxa2540-0000-000n00v230f v4 4545 5083 cxa2540-0000-000n00v430h cxa2540-0000-000n00v430f 90 --- t2 3200 3552 30h cxa2540-0000-000n0ut230h 30f cxa2540-0000-000n0ut230f t4 3440 3818 cxa2540-0000-000n0ut430h cxa2540-0000-000n0ut430f u2 3680 4115 cxa2540-0000-000n0uu230h cxa2540-0000-000n0uu230f 93 95 s4 2990 3319 30h cxa2540-0000-000n0ys430h 30f cxa2540-0000-000n0ys430f t2 3200 3552 cxa2540-0000-000n0yt230h cxa2540-0000-000n0yt230f t4 3440 3818 cxa2540-0000-000n0yt430h cxa2540-0000-000n0yt430f flux characteristics, easywhite order codes and bins (i f = 1100 ma, t j = 85 c) - continued copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
5 cct range cri base order codes min. luminous flux @ 1100 ma 2-step order code 4-step order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* chromaticity region chromaticity region 2700 k 80 --- u2 3680 4115 27h cxa2540-0000-000n00u227h 27f cxa2540-0000-000n00u227f u4 3955 4423 cxa2540-0000-000n00u427h cxa2540-0000-000n00u427f v2 4230 4730 cxa2540-0000-000n00v227h cxa2540-0000-000n00v227f 90 --- s4 2990 3319 27h cxa2540-0000-000n0us427h 27f cxa2540-0000-000n0us427f t2 3200 3552 cxa2540-0000-000n0ut227h cxa2540-0000-000n0ut227f t4 3440 3818 cxa2540-0000-000n0ut427h cxa2540-0000-000n0ut427f 93 95 s2 2780 3086 27h cxa2540-0000-000n0ys227h 27f cxa2540-0000-000n0ys227f s4 2990 3319 cxa2540-0000-000n0ys427h cxa2540-0000-000n0ys427f t2 3200 3552 cxa2540-0000-000n0yt227h cxa2540-0000-000n0yt227f flux characteristics, easywhite order codes and bins (i f = 1100 ma, t j = 85 c) - continued copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
6 flux characteristics, ansi white order codes and bins (i f = 1100 ma, t j = 85 c) the following tables provide order codes for xlamp cxa2540 l e ds. for a complete description of the order code nomenclature, please reference bin and o rder code formats (page 15). cct range cri base order codes min luminous flux @ 1100 ma chromaticity regions order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* 6500 k 70 75 v4 4545 5083 1a0, 1b0, 1c0, 1d0 cxa2540-0000-000n00v40e1 w2 4860 5435 cxa2540-0000-000n00w20e1 w4 5225 5843 cxa2540-0000-000n00w40e1 80 --- v2 4230 4730 1a0, 1b0, 1c0, 1d0 cxa2540-0000-000n0hv20e1 v4 4545 5083 cxa2540-0000-000n0hv40e1 w2 4860 5435 cxa2540-0000-000n0hw20e1 5700 k 70 75 v4 4545 5083 2a0, 2b0, 2c0, 2d0 cxa2540-0000-000n00v40e2 w2 4860 5435 cxa2540-0000-000n00w20e2 w4 5225 5843 cxa2540-0000-000n00w40e2 80 --- v2 4230 4730 2a0, 2b0, 2c0, 2d0 cxa2540-0000-000n0hv20e2 v4 4545 5083 cxa2540-0000-000n0hv40e2 w2 4860 5435 cxa2540-0000-000n0hw20e2 5000 k 70 75 v4 4545 5083 3a0, 3b0, 3c0, 3d0 cxa2540-0000-000n00v40e3 w2 4860 5435 cxa2540-0000-000n00w20e3 w4 5225 5843 cxa2540-0000-000n00w40e3 80 --- v2 4230 4730 3a0, 3b0, 3c0, 3d0 cxa2540-0000-000n0hv20e3 v4 4545 5083 cxa2540-0000-000n0hv40e3 w2 4860 5435 cxa2540-0000-000n0hw20e3 90 95 t4 3440 3818 3a0, 3b0, 3c0, 3d0 cxa2540-0000-000n0ut40e3 u2 3680 4115 cxa2540-0000-000n0uu20e3 u4 3955 4391 cxa2540-0000-000n0uu40e3 copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
7 cct range cri base order codes min luminous flux @ 1100 ma chromaticity regions order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* 4000 k 70 75 v2 4230 4730 5a0, 5b0, 5c0, 5d0 cxa2540-0000-000n00v20e5 v4 4545 5083 cxa2540-0000-000n00v40e5 w2 4860 5435 cxa2540-0000-000n00w20e5 80 --- u4 3955 4423 5a0, 5b0, 5c0, 5d0 cxa2540-0000-000n0hu40e5 v2 4230 4730 cxa2540-0000-000n0hv20e5 v4 4545 5083 cxa2540-0000-000n0hv40e5 90 95 t2 3200 3552 5a0, 5b0, 5c0, 5d0 cxa2540-0000-000n0ut20e5 t4 3440 3818 cxa2540-0000-000n0ut40e5 u2 3680 4115 cxa2540-0000-000n0uu20e5 3500 k 80 --- u4 3955 4423 6a0, 6b0, 6c0, 6d0 cxa2540-0000-000n00u40e6 v2 4230 4730 cxa2540-0000-000n00v20e6 v4 4545 5083 cxa2540-0000-000n00v40e6 93 95 t2 3200 3552 6a0, 6b0, 6c0, 6d0 cxa2540-0000-000n0yt20e6 t4 3440 3818 cxa2540-0000-000n0yt40e6 u2 3680 4115 cxa2540-0000-000n0yu20e6 3000 k 80 --- u4 3955 4423 7a0, 7b0, 7c0, 7d0 cxa2540-0000-000n00u40e7 v2 4230 4730 cxa2540-0000-000n00v20e7 v4 4545 5083 cxa2540-0000-000n00v40e7 90 --- t2 3200 3552 7a0, 7b0, 7c0, 7d0 cxa2540-0000-000n0ut23e7 t4 3440 3818 cxa2540-0000-000n0ut43e7 u2 3680 4115 cxa2540-0000-000n0uu23e7 93 95 s4 2990 3319 7a0, 7b0, 7c0, 7d0 cxa2540-0000-000n0ys40e7 t2 3200 3552 cxa2540-0000-000n0yt20e7 t4 3440 3818 cxa2540-0000-000n0yt20e7 flux characteristics, ansi white order codes and bins (i f = 1100 ma, t j = 85 c) - continued copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
8 cct range cri base order codes min luminous flux @ 1100 ma chromaticity regions order code min typ group flux (lm) @ 85 c flux (lm) @ 25 c* 2700 k 80 --- u2 3680 4115 8a0, 8b0, 8c0, 8d0 cxa2540-0000-000n00u20e8 u4 3955 4423 cxa2540-0000-000n00u40e8 v2 4230 4730 cxa2540-0000-000n00v20e8 90 --- s4 2990 3319 8a0, 8b0, 8c0, 8d0 cxa2540-0000-000n0us43e8 t2 3200 3552 cxa2540-0000-000n0ut23e8 t4 3440 3818 cxa2540-0000-000n0ut43e8 93 95 s2 2780 3086 8a0, 8b0, 8c0, 8d0 CXA2540-0000-000N0YS20E8 s4 2990 3319 cxa2540-0000-000n0ys40e8 t2 3200 3552 cxa2540-0000-000n0yt20e8 flux characteristics, ansi white order codes and bins (i f = 1100 ma, t j = 85 c) - continued copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led notes ? cree maintains a tolerance of 7% on fux and power measurements, 0.005 on chromaticity (ccx, ccy) measurements and a tolerance of 2 on cri measurements. * flux values @ 25 c are calculated and for reference only.
9 relative spectral power distribution (i f = 1100 ma, t j = 85 c) the following graph is the result of a series of pulsed measurements at 1100 ma and t j = 85 c. electrical characteristics the following graph is the result of a series of steady-state measurements. relative spectral power distribution 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 380 430 480 530 580 630 680 730 780 relative spectral power wavelength (nm) 5000k, 70 cri 4000k, 70 cri 3000k, 80 cri 3000k, 93 cri 32 34 36 38 40 42 400 740 1080 1420 1760 2100 voltage (v) current (ma) tc = 25 c tc = 55 c tc = 85 c tc = 105 c copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
10 relative luminous flux the relative luminous fux values provided below are the ratio of: ? m easurements of cxa2540 at steady-state operation at the given conditions, divided by ? flux measured during binning, which is a pulsed measurement at 1100 ma at t j = 85 c. for example, at steady-state operation of tc = 55 c, i f = 1760 ma, the relative luminous fux ratio is 140% in the chart below. a cxa2540 l e d that measures 4600 lm during binning will deliver 6440 lm (4600 * 1.4) at steady-state operation of tc = 55 c, i f = 1760 ma. 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 400 740 1080 1420 1760 2100 relative luminous flux current (ma) tc = 25 c tc = 55 c tc = 85 c tc = 105 c copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
11 typical spatial distribution performance groups - brightness (i f = 1100 ma, t j = 85 c) xlamp cxa2540 leds are tested for luminous fux and placed into one of the following bins. group code min. luminous flux @ 1100 ma max. luminous flux @ 1100 ma s2 2780 2600 s4 2600 3200 t2 3200 3440 t4 3440 3680 u2 3680 3955 u4 3955 4230 v2 4230 4545 v4 4545 4860 w2 4860 5225 w4 5225 5590 far field 0% 20% 40% 60% 80% 100% - 90 - 70 - 50 - 30 - 10 10 30 50 70 90 relative luminous intensity angle (o) copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
12 performance groups - chromaticity (t j = 85 c) xlamp cxa2540 leds are tested for chromaticity and placed into one of the regions defned by the following bounding coordinates. easywhite color temperatures C 4-step code cct x y 65f 6500 k 0.3253 0.3325 0.3249 0.3439 0.3331 0.3514 0.3330 0.3393 57f 5700 k 0.3097 0.3196 0.3079 0.3297 0.3164 0.3382 0.3176 0.3275 50f 5000 k 0.3407 0.3459 0.3415 0.3586 0.3499 0.3654 0.3484 0.3521 40f 4000 k 0.3744 0.3685 0.3782 0.3837 0.3912 0.3917 0.3863 0.3758 35f 3500 k 0.3981 0.3800 0.4040 0.3966 0.4186 0.4037 0.4116 0.3865 30f 3000 k 0.4242 0.3919 0.4322 0.4096 0.4449 0.4141 0.4359 0.3960 27f 2700 k 0.4475 0.3994 0.4573 0.4178 0.4695 0.4207 0.4589 0.4021 easywhite color temperatures C 2-step code cct x y 50h 5000 k 0.3429 0.3507 0.3434 0.3571 0.3475 0.3604 0.3469 0.3539 40h 4000 k 0.3784 0.3741 0.3804 0.3818 0.3867 0.3857 0.3844 0.3778 35h 3500 k 0.4030 0.3857 0.4061 0.3941 0.4132 0.3976 0.4099 0.3890 30h 3000 k 0.4291 0.3973 0.4333 0.4062 0.4395 0.4084 0.4351 0.3994 27h 2700 k 0.4528 0.4046 0.4578 0.4138 0.4638 0.4152 0.4586 0.4060 copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
13 performance groups - chromaticity (t j = 85 c) - continued ansi white bins code cct bin code x y 0e1 6500 k 1a0 0.3048 0.3207 0.3130 0.3290 0.3144 0.3186 0.3068 0.3113 1b0 0.3028 0.3304 0.3115 0.3391 0.3130 0.3290 0.3048 0.3207 1c0 0.3115 0.3391 0.3205 0.3481 0.3213 0.3373 0.3130 0.3290 1d0 0.3130 0.3290 0.3213 0.3373 0.3221 0.3261 0.3144 0.3186 ansi white bins code cct bin code x y 0e2 5700 k 2a0 0.3215 0.3350 0.3290 0.3417 0.3290 0.3300 0.3222 0.3243 2b0 0.3207 0.3462 0.3290 0.3538 0.3290 0.3417 0.3215 0.3350 2c0 0.3290 0.3538 0.3376 0.3616 0.3371 0.3490 0.3290 0.3417 2d0 0.3290 0.3417 0.3371 0.3490 0.3366 0.3369 0.3290 0.3300 ansi white bins code cct bin code x y 0e6 3500 k 6a0 .3889 .3690 .3941 .3848 .4080 .3916 .4017 .3751 6b0 .3941 .3848 .3996 .4015 .4146 .4089 .4080 .3916 6c0 .4080 .3916 .4146 .4089 .4299 .4165 .4221 .3984 6d0 .4017 .3751 .4080 .3916 .4221 .3984 .4147 .3814 ansi white bins code cct bin code x y 0e5 4000 k 5a0 .3670 .3578 .3702 .3722 .3825 .3798 .3783 .3646 5b0 .3702 .3722 .3736 .3874 .3869 .3958 .3825 .3798 5c0 .3825 .3798 .3869 .3958 .4006 .4044 .3950 .3875 5d0 .3783 .3646 .3825 .3798 .3950 .3875 .3898 .3716 ansi white bins code cct bin code x y 0e3 5000 k 3a0 .3371 .3490 .3451 .3554 .3440 .3427 .3366 .3369 3b0 .3376 .3616 .3463 .3687 .3451 .3554 .3371 .3490 3c0 .3463 .3687 .3551 .3760 .3533 .3620 .3451 .3554 3d0 .3451 .3554 .3533 .3620 .3515 .3487 .3440 .3427 copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
14 performance groups - chromaticity (t j = 85 c) - continued cree easywhite bins plotted on the 1931 cie color space (t j = 85 c) ansi white bins code cct bin code x y 0e7 3000 k 7a0 .4147 .3814 .4221 .3984 .4342 .4028 .4259 .3853 7b0 .4221 .3984 .4299 .4165 .4430 .4212 .4342 .4028 7c0 .4342 .4028 .4430 .4212 .4562 .4260 .4465 .4071 7d0 .4259 .3853 .4342 .4028 .4465 .4071 .4373 .3893 ansi white bins code cct bin code x y 0e8 2700 k 8a0 .4373 .3893 .4465 .4071 .4582 .4099 .4483 .3919 8b0 .4465 .4071 .4562 .4260 .4687 .4289 .4582 .4099 8c0 .4582 .4099 .4687 .4289 .4813 .4319 .4700 .4126 8d0 .4483 .3919 .4582 .4099 .4700 .4126 .4593 .3944 2700k 3000k 3500k 4000k 4500k 5000k 5700k 6500k 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.29 0.30 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 ccy ccx ansi c76.377 quadrangle easywhite 4 - step easywhite 2 - step copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
15 cree ansi white bins plotted on the 1931 cie color space (t j = 85 c) 2700k 3000k 3500k 4000k 4500k 5000k 5700k 6500k 8000k 6a 6b 6c 6d 7a 7b 7c 7d 8a 8b 8c 8d 3a 3b 3c 3d 5a 5b 5c 5d 1a 1b 1c 1d 2a 2b 2c 2d 0.30 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.45 0.28 0.29 0.30 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.50 ccy ccx ansi c76.377 quadrangle copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
16 bin and order code formats bin codes and order codes are confgured as follows: order code bin code mechanical dimensions dimensions are in mm. tolerances unless otherwise specifed: .x + .10 .xx + .03 .xxx + .010 x + 1 x + .10 sssss cc -hhhh-hhhggnnnnnn series = cxa2 5 internal code cri specification 0 = standard cr i h = 80 min cr i u = 90 min cr i y = 93 min cr i kit code vf class: n0 = 36- v clas s pe rformance clas s sssss cc - www -ff-ggr - aaaaa series = cxa2 5 chromaticity bi n vf class: n0 = 36- v clas s internal code cri specification b = 70 min cr i h = 80 min cr i u = 90 min cr i y = 93 min cr i flux bin pe rformance clas s size title of rev. sheet c drawing no. date date date check final protective finish material approved drawn by third angle projection scale a b c d 1 2 3 4 5 6 6 5 4 3 2 1 a b c d phone (919) 313-5300 fax (919) 313-5558 4600 silicon drive durham, n.c 27703 unauthorized person without the written consent may not be copied, reproduced or disclosed to any confidential information of cree, inc. this plot contained within are the proprietary and cree confidential. this plot and the information of cree inc. notice x .5 .xxx .010 .xx .03 .x .06 for sheet metal parts only .xx .01 .xxx .005 x .5 unless otherwise specified dimensions are in inches and after finish. tolerance unless specified: surface finish: 63 1.3 3.4 23.85 0.2 23.85 0.2 1.3 3.4 7.3 9.5 3.4 3.4 1.3 1.3 19.0 0.2 1.15 0.15 0.55 0.1 21.0 0.2 3 / 1 6.000 a le2401 le2401 marketing spec 5/8/12 d. cronin revisons rev description by date app'd tolerance unless otherwise specified: dimensions are in mm .x .10 .xx .03 .xxx .010 x 1 tc copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
17 thermal design the cxa family of l e d arrays can include over a hundred different le d die inside one package, and thus over a hundred different junction temperatures (t j ). cree has intentionally removed junction-temperature-based operating limits and replaced the commonplace maximum t j calculations with maximum ratings based on forward current (i f ) and case temperature (tc). no additional calculations are required to ensure the cxa l e d is being operated within its designed limits. please refer to page 2 for the operating limit specifcation. cree has measured the temperature at the bottom of the package, commonly referred to as the solder point (t sp ), and found this value to be equivalent to the temperature at the tc location at the top of the package once the l e d has reached thermal equilibrium. there is no need to calculate for t j inside the package, as the thermal management design process, specifcally from t sp to ambient (t a ), remains identical to any other l e d component. for more information on thermal management of cree xlamp l e ds, please refer to the xlamp thermal m anagement application note at www.cree.com/xlamp_app_notes/thermal_management. for cxa soldering recommendations and more information on thermal interface materials (ti m ) and connection methods, please refer to the cree xlamp cxa family le ds soldering and handling document at www.cree.com/xlamp_app_notes/cxa_sh. to keep the cxa2540 l e d at or below the maximum rated tc, the case to ambient temperature thermal resistance (r_c-a) must be at or below the maximum r_c-a value shown on the following graph, depending on the operating environment. the y - axis in the graph is a base 10 logarithmic scale. as the fgure at right shows, the r_c ? a value is the sum of the thermal resistance of the tim (r_tim) plus the thermal resistance of the heat sink (r_hs). r_j-c tc r_ tim r_ hs ta r_ j-c tc r_c-a ta cxa2540 0.01 0.10 1.00 10.00 400 740 1080 1420 1760 2100 maximum r_c - a current (ma) ta = 25 c ta = 55 c ta = 85 c ta = 105 c copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
18 notes lumen maintenance projections cree now uses standardized i e s lm -80-08 and tm -21-11 methods for collecting long-term data and extrapolating led lumen maintenance. for information on the specifc lm ? 80 data sets available for this led, refer to the public lm?80 results document at www.cree.com/xlamp_app_notes/l m80_results. p lease read the xlamp long-term lumen m aintenance application note at www.cree.com/xlamp_app_notes/lumen_ maintenance for more details on crees lumen maintenance testing and forecasting. p lease read the xlamp thermal m anagement application note at www.cree.com/xlamp_app_notes/thermal_management for details on how thermal design, ambient temperature, and drive current affect the l e d junction temperature. rohs compliance the levels of rohs 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 2011/65/ e c (rohs2), as implemented january 2, 2013. rohs declarations for this product can be obtained from your cree representative or from the p roduct documentation sections of www.cree.com. reach compliance re ach substances of high concern (sv hcs) information is available for this product. since the e uropean chemical agency ( e cha) has published notice of their intent to frequently revise the sv hc listing for the foreseeable future, please contact a cree representative to insure you get the most up-to-date r e ach sv hc declaration. re ach banned substance information (re ach article 67) is also available upon request. ul recognized component level 4 enclosure consideration. the led package or a portion thereof has been investigated as a fre and electrical enclosure per ansi/ul 8750. vision advisory claim users should be cautioned not to stare at the light of this le d product. the bright light can damage the eye. copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led
19 packaging cree cxa2540 l e ds are packaged in trays of 20. five trays are sealed in an anti-static bag and placed inside a carton, for a total of 100 leds per carton. each carton contains 100 leds from the same performance bin. dimensions are in inches. tolerances: .x + .1 .xx + .05 .xxx + .005 x + 1 size title of rev. sheet c drawing no. date date date check final protective finish material approved drawn by third angle projection .x 0.1 x 2 .xxx .010 .xx .03 .x .06 for sheet metal parts only .xx .05 .xxx .005 x 1 unless otherwise specified dimensions are in millimeters & before finish. tolerance unless specified: scale a b c d 1 2 3 4 5 6 6 5 4 3 2 1 a b c d phone (919) 361-4770 fax (919) 313-5303 4600 silicon drive durham, n.c 27703 unauthorized person without the written consent may not be copied, reproduced or disclosed to any confidential information of cree, inc. this plot contained within are the proprietary and cree confidential. this plot and the information of cree inc. notice 7.625 7.125 r .375 1.188 1.188 .38 1 / 1 0.500 a cxa25xx_datasheet_bag2013 cxa25xx_datasheet label with cree bin code, qty, lot# label with cree bin code, qty, lot# bag label with cree bin code, qty, lot# patent label is located on underside of carton size title of rev. sheet c drawing no. date date date check final protective finish material approved drawn by third angle projection .x 0.1 x 2 .xxx .010 .xx .03 .x .06 for sheet metal parts only .xx .05 .xxx .005 x 1 unless otherwise specified dimensions are in millimeters & before finish. tolerance unless specified: scale a b c d 1 2 3 4 5 6 6 5 4 3 2 1 a b c d phone (919) 361-4770 fax (919) 313-5303 4600 silicon drive durham, n.c 27703 unauthorized person without the written consent may not be copied, reproduced or disclosed to any confidential information of cree, inc. this plot contained within are the proprietary and cree confidential. this plot and the information of cree inc. notice 7.625 7.125 r .375 1.188 1.188 .38 1 / 1 0.500 a cxa25xx_datasheet_bag2013 cxa25xx_datasheet label with cree bin code, qty, lot# label with cree bin code, qty, lot# bag label with cree bin code, qty, lot# patent label is located on underside of carton size title of rev. sheet c drawing no. date date date check final protective finish material approved drawn by third angle projection .x 0.1 x 2 .xxx .010 .xx .03 .x .06 for sheet metal parts only .xx .05 .xxx .005 x 1 unless otherwise specified dimensions are in millimeters & before finish. tolerance unless specified: scale a b c d 1 2 3 4 5 6 6 5 4 3 2 1 a b c d phone (919) 361-4770 fax (919) 313-5303 4600 silicon drive durham, n.c 27703 unauthorized person without the written consent may not be copied, reproduced or disclosed to any confidential information of cree, inc. this plot contained within are the proprietary and cree confidential. this plot and the information of cree inc. notice 7.625 7.125 r .375 1.188 1.188 .38 1 / 1 0.500 a cxa25xx_datasheet_bag2013 cxa25xx_datasheet label with cree bin code, qty, lot# label with cree bin code, qty, lot# bag label with cree bin code, qty, lot# patent label is located on underside of carton size title of rev. sheet c drawing no. date date date check final protective finish material approved drawn by third angle projection .x 0.1 x 2 .xxx .010 .xx .03 .x .06 for sheet metal parts only .xx .05 .xxx .005 x 1 unless otherwise specified dimensions are in millimeters & before finish. tolerance unless specified: scale a b c d 1 2 3 4 5 6 6 5 4 3 2 1 a b c d phone (919) 361-4770 fax (919) 313-5303 4600 silicon drive durham, n.c 27703 unauthorized person without the written consent may not be copied, reproduced or disclosed to any confidential information of cree, inc. this plot contained within are the proprietary and cree confidential. this plot and the information of cree inc. notice 7.625 7.125 r .375 1.188 1.188 .38 1 / 1 0.500 a cxa25xx_datasheet_bag2013 cxa25xx_datasheet label with cree bin code, qty, lot# label with cree bin code, qty, lot# bag label with cree bin code, qty, lot# patent label is located on underside of carton copyright ? 2013 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , the cree logo, xlamp ? and easywhite ? are registered trademarks of cree, inc. xlamp cxa2540 led

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