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  cld-ds162 rev 0a cree ? xlamp ? cma2550 led pro duc t d escrip tion crees xlamp ? high- current le d array family is optimized for best -in-class lumen output, effcacy and reliability at high drive currents. xlamp cma l eds share the same package design and le s sizes as crees industry-leading cxa2 standard density l e ds, enabling lighting manufacturers to address a range of performance requirements for applications such as track, downlight and outdoor lighting using a single easy - to- use platform. xlamp high- current le d arrays are available in 2 - step, 3- step and 5-step easywhite ? bins. fea tures ? 19-mm optical source ? mechanical and optical design consistent with cxa25 and cxb25 leds ? available in 70-, 80- and 90 - and 95-minimum cri options ? cree easywhite ? 2-, 3- and 5-step binning ? premium color 2- and 3-step binning forward voltage option: 36 -v class ? 85?c binning and characterization ? maximum drive current: 3300?ma ? 115 viewing angle, uniform chromaticity profile ? top-side solder connections ? rohs compliant ? ul ? recognized component (e349212) ta ble of cont e nts characteristics ............................................ 2 operating limits .......................................... 2 flux characteristics, easywhite ? order codes and bins ........................................... 3 flux characteristics, premium color order codes and bins ................................. 4 relative spectral power distribution ......... 5 e lectrical characteristics ............................ 5 relative luminous flux ............................... 6 typical spatial distribution ......................... 6 performance groups - chromaticity .......... 7 premium color performance groups - chromaticity ................................................ 8 crees easywhite ? bins plotted on the 1931 cie color space ................................. 9 cree premium color bins plotted on the 1931 cie color space .............................. 10 bin and order code formats ................... 12 mechanical dimensions .......................... 13 thermal design ........................................ 14 notes ........................................................ 15 packaging ................................................. 16 product family data sheet copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. cree, inc. 4600 silicon drive durham, nc 27703 usa tel: +1.919.313.5300 www . cree . c om/x lamp
2 ch ar ac teristics characteristics unit minimum t ypical maximum viewing angle (fwhm) degrees 115 e sd withstand voltage (jedec js-001-2012) v class 3a dc forward current ma 3300* reverse current ma 0.1 forward voltage (@ 1400?ma, t j = 85?c) v 34.0 37.4 * refer to the operating limits section. ope ra ting li m its the maximum current rating of the cma2550 depends on the case temperature (tc) when the l e d has reached thermal equilibrium under steady-state operation. the graph shown below assumes that the system design employs good thermal management (thermal interface material and heat sink) and may vary when poor thermal management is employed. e ither solder pad shown in the mechanical dimensions section on page 13 can be used as the tc measurement point. another important factor in good thermal management is the temperature of the light e mitting surface (le s). cree recommends a maximum les temperature of 140?c to ensure optimal led lifetime. please refer to the thermal design section on page 14 for more information on le s temperature measurement. cma2550 0 500 1000 1500 2000 2500 3000 3500 0 25 50 75 100 125 150 if (ma) case temperature ( c) 85 c, 3300 ma 125 c, 1269 ma copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
3 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. see the measurements section (page 15). ? for 80 cri minimum l e ds, cri r9 minimum is 0 with a 2 tolerance. for 90 cri minimum leds, cri r9 typical is 60. fl ux ch ar ac teristic s, ea sywhite ? o rde r code s and b ins ( i f = 1400? m a, t j = 85?c) the following table provides order codes for xlamp cma2550 l e ds. for a complete description of the order code nomenclature, please see the bin and order code formats section (page 12). nominal cc t cri minimum luminous flux (lm) t ypical luminous flux (lm) 2-step 3-step 5-step min. t yp g roup o rder code g roup o rder code g roup o rder code 6500 k 70 73 7349 7902 65e cma2550-0000- 000n0b0a65e 80 82 6865 7382 65e cma2550-0000- 000n0h0a65e 5700 k 70 73 7499 8063 57e cma2550-0000- 000n0b0a57e 80 82 7005 7533 57e cma2550-0000- 000n0h0a57e 90 92 5959 6407 57g cma2550-0000- 000n0u0a57g 5000?k 70 73 7281 7829 50e cma2550-0000- 000n0b0a50e 80 82 6802 7314 50g cma2550-0000- 000n0h0a50g 90 92 5959 6407 50g cma2550-0000- 000n0u0a50g 4000?k 70 73 7226 7770 40e cma2550-0000- 000n0b0a40e 80 82 6725 7231 40h cma2550-0000- 000n0h0a40h 40g cma2550-0000- 000n0h0a40g 90 92 5790 6226 40h cma2550-0000- 000n0u0a40h 40g cma2550-0000- 000n0u0a40g 3500?k 80 82 6561 7054 35h cma2550-0000- 000n0h0a35h 35g cma2550-0000- 000n0h0a35g 90 92 5631 6055 35h cma2550-0000- 000n0u0a35h 35g cma2550-0000- 000n0u0a35g 3000?k 70 73 6725 7231 30e cma2550-0000- 000n0by430 e 80 82 6371 6850 30h cma2550-0000- 000n0h0a30h 30g cma2550-0000- 000n0h0a30g 90 92 5386 5792 30h cma2550-0000- 000n0u0a30h 30g cma2550-0000- 000n0u0a30g 2700?k 80 82 6113 6573 27h cma2550-0000- 000n0h0a27h 27g cma2550-0000- 000n0h0a27g 90 92 5143 5530 27h cma2550-0000- 000n0u0a27h 27g cma2550-0000- 000n0u0a27g copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
4 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. see the measurements section (page 15). ? for 80 cri minimum l e ds, cri r9 minimum is 0 with a 2 tolerance. for 90 cri minimum leds, cri r9 typical is 60. fl ux ch ar ac teristic s, premium col or o rde r code s and b ins ( i f = 1400? m a, t j = 85?c) fidelity nominal cc t cri* minimum luminous flux (lm) t ypical luminous flux (lm) 2-step min. t yp g roup o rder code 4000?k 95 98 5186 5576 l5a cma2550-0000-000n0z0al5a 3500?k 95 98 5047 5427 35h cma2550-0000-000n0z0a35h 3000?k 95 98 4719 5075 30h cma2550-0000-000n0z0a30h 2700?k 95 98 4468 4805 27h cma2550-0000-000n0z0a27h specialty nominal cc t cri minimum luminous flux (lm) t ypical luminous flux (lm) 2-step 3-step min. t yp g roup o rder code g roup o rder code g roup o rder code 3100?k 90 92 5386 5792 31q cma2550-0000- 000n0u0a31q 3000?k 80 82 6371 6850 l7b cma2550-0000- 000n0h0al7b 90 92 5386 5792 30q cma2550-0000- 000n0u0a30q 30u cma2550-0000- 000n0u0a30u 95 98 4719 5075 l7c cma2550-0000- 000n0z0al7c copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
5 rela tive spec tral po we r distribution the following graph is the result of a series of pulsed measurements at 1400?ma and t j = 85?c. elec trical ch ar ac teristics 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) 3000 k, 80 cri 32 33 34 35 36 37 38 700 900 1100 1300 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 voltage (v) current (ma) tc = 25 c tc = 55 c tc = 85 c tc = 105 c copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
6 rela tive lu m inous fl ux the relative luminous fux values provided below are the ratio of measurements of the cma2550 led at steady-state operation at the given conditions, divided by the fux measured during binning, which is a pulsed measurement at 1400?ma at t j = 85?c. for example, at steady-state operation of tc = 55?c, i f = 1700?ma, the relative luminous fux ratio is 120% in the chart below. a cma2550 led that measures 6850?lm during binning will deliver 8220?lm (6850 * 1.2) at steady-state operation of tc = 55?c, i f = 1700?ma. t ypical spa ti al distribution 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 200% 220% 700 900 1100 1300 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 relative luminous flux current (ma) tc = 25 c tc = 55 c tc = 85 c tc = 105 c far field 0% 20% 40% 60% 80% 100% -90 -70 -50 -30 -10 10 30 50 70 90 relative luminous intensity angle (o) copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
7 pe rfor mance g roup s - chro ma tic ity ( t j = 85?c) xlamp cma2550 leds are tested for chromaticity and placed into one of the regions defned by the following bounding coordinates. easywhite color t emperatures C 2- step code cc t x y 40h 4000 k 0.3777 0.3739 0.3797 0.3816 0.3861 0.3855 0.3838 0.3777 35h 3500 k 0.4022 0.3858 0.4053 0.3942 0.4125 0.3977 0.4091 0.3891 30h 3000 k 0.4287 0.3975 0.4328 0.4064 0.4390 0.4086 0.4347 0.3996 27h 2700 k 0.4524 0.4048 0.4574 0.4140 0.4633 0.4154 0.4581 0.4062 easywhite color t emperatures C 3- step ellipse bin code cc t center point major axis minor axis r otation angle () x y a b 57g 5700?k 0.3287 0.3417 0.00738 0.00360 72.0 50g 5000?k 0.3447 0.3553 0.00840 0.00312 65.0 40g 4000?k 0.3818 0.3797 0.00939 0.00402 53.7 35g 3500?k 0.4073 0.3917 0.00927 0.00414 54.0 30g 3000?k 0.4338 0.4030 0.00834 0.00408 53.2 27g 2700?k 0.4577 0.4099 0.00834 0.00420 48.5 easywhite color t emperatures C 5- step ellipse bin code cc t center point major axis minor axis r otation angle () x y a b 65e 6500?k 0.3123 0.3282 0.01110 0.00550 61.0 57e 5700?k 0.3287 0.3417 0.01230 0.00600 72.0 50e 5000?k 0.3447 0.3553 0.01400 0.00520 65.0 40e 4000?k 0.3818 0.3797 0.01565 0.00670 53.7 30e 3000?k 0.4338 0.4030 0.01390 0.00680 53.2 copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
8 premium co l or p e rfor mance g roup s - chro ma tic ity ( t j = 85?c) xlamp cma2550 leds are tested for chromaticity and placed into one of the regions defned by the following bounding coordinates. fidelity easywhite color t emperatures C 2- step code cc t x y l5a 4000?k 0.3764 0.3711 0.3784 0.3787 0.3847 0.3826 0.3825 0.3748 35h 3500?k 0.4022 0.3858 0.4053 0.3942 0.4125 0.3977 0.4091 0.3891 30h 3000?k 0.4287 0.3975 0.4328 0.4064 0.4390 0.4086 0.4347 0.3996 27h 2700?k 0.4524 0.4048 0.4574 0.4140 0.4633 0.4154 0.4581 0.4062 specialty easywhite color t emperatures C 2- step code cc t x y l7b 3000?k 0.4263 0.3848 0.4296 0.3916 0.4361 0.3938 0.4326 0.3868 l7c 3000?k 0.4192 0.3754 0.4224 0.3823 0.4291 0.3847 0.4257 0.3777 easywhite color t emperatures C 3- step ellipse bin code cc t center point major axis minor axis r otation angle () x y a b 31q 3100?k 0.4236 0.3888 0.00848 0.00455 50.3 30q 3000?k 0.4305 0.3935 0.00834 0.00408 53.2 30u 3000?k 0.4274 0.3837 0.00834 0.00408 53.2 copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
9 cree s e a sywhite ? b ins pl ott ed on th e 1931 c i e co l or space ( t j = 85?c) 2700 k 3000 k 3500 k 4000 k 4500 k 5000 k 5700 k 6500 k 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 ccy ccx ansi c78.377 quadrangle easywhite 5-step easywhite 3-step easywhite 2-step copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
10 cree premium co l or b ins pl ott ed on th e 1931 c i e co l or space ( t j = 85?c) fidelity (2-step) 2700k 3000k 3500k 4000k 4500k l5a 0.34 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 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 ccy ccx ansi c78.377 quadrangle 35h 30h 27h copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
11 cree premium co l or b ins pl ott ed on th e 1931 c i e co l or space ( t j = 85?c) - continued speciality (2-step) speciality (3-step) 3000 k 3500 k l7b l7c 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.41 0.42 0.43 0.44 0.45 0.46 ccy ccx ansi c78.377 quadrangle 3000k 3500k 30q 30u 31q 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.41 0.42 0.43 0.44 0.45 0.46 ccy ccx ansi c78.377 quadrangle copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
12 b in and o rde r code f or ma ts bin codes and order codes are confgured as follows: o rder code bin code ssssscc-hhhh-hhhggnnnnnn series = cma2 5 internal code cri specificatio n b = 70 cri minimum h = 80 cri minimum u = 90 cri minimum z = 95 cri minimum kit code vf class n0 = 36-v class pe rformance clas s ssssscc-www -ff-ggr-aaaaa series = cma2 5 chromaticity bi n vf class n0 = 36-v class internal code cri specificatio n b = 70 cri minimum h = 80 cri minimum u = 90 cri minimum z = 95 cri minimum flux bi n 0a = not binned int o flux bins pe rformance clas s copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
13 mech anical dimensions dimensions are in mm. tolerances unless otherwise specifed: .13 x 1 m2550n = 36-v cma2550 x1 x2 x3 x4 x5 x1 cct 1 = 6500?k 8 = 2700?k x2 m = easywhite or fidelity led on the black-body line q = specialty led below the black-body line u = specialty led below the black-body line x3 x4 flux bin 0a = not binned into fux bins x5 cri b = 70 cri min h = 80 cri min u = 90 cri min z = 95 cri min copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
14 ther mal design the cma 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 that the cma led is being operated within its designed limits. les temperature measurement provides additional verifcation of good thermal design. please refer to page 2 for the operating limit specifcation. there is no need to calculate for t j inside the package, as the thermal management design process, specifcally from solder point (t sp ) to ambient (t a ), remains identical to any other l e d component. for more information on thermal management of cree xlamp le ds, please refer to the thermal management application note . for cma soldering recommendations and information on thermal interface materials (tim), l e s temperature measurement, and connection methods, please refer to the cree xlamp cm family l e ds soldering and handling document . to keep the cma2550 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 cma2550 0.01 0.10 1.00 10.00 700 900 1100 1300 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 maximum r_c - a current (ma) ta = 25 c ta = 55 c ta = 85 c ta = 105 c copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
15 n otes measurements the luminous fux, radiant power, chromaticity, forward voltage and cri measurements in this document are binning specifcations only and solely represent product measurements as of the date of shipment. these measurements will change over time based on a number of factors that are not within crees control and are not intended or provided as operational specifcations for the products. calculated values are provided for informational purposes only and are not intended or provided as specifcations. pre -release qualifcation t esting please read the le d reliability overview for details of the qualifcation process cree applies to ensure long-term reliability for xlamp leds and details of crees pre-release qualifcation testing for xlamp leds. cree did not perform room temperature operating life (rtol) testing on the cma2550 l e d. lumen maintenance cree now uses standardized i e s lm-80-08 and tm-21-11 methods for collecting long-term data and extrapolating le d lumen maintenance. for information on the specifc lm-80 data sets available for this led, refer to the public lm-80 results document . please read the long-term lumen maintenance application note for more details on crees lumen maintenance testing and forecasting. please read the thermal management application note for details on how thermal design, ambient temperature, and drive current affect the le 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 e u 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 product e cology section of the cree website. ul ? r ecognized component this product meets the requirements to be considered a ul recognized component with level 4 enclosure consideration. the l ed package or a portion thereof has been investigated as a fre and electrical enclosure per ansi/ul 8750. v ision advisory warning: do not look at an exposed lamp in operation. e ye injury can result. for more information about l e ds and eye safety, please refer to the led e ye safety application note . copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led
16 p ac ka ging cree cma2550 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 le ds per carton. e ach carton contains 100 le ds from the same performance bin. dimensions are in inches. tolerances: .13 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 bag patent label is located on underside of cover label with cree bin code, quantity, lot # label with cree bin code, quantity, lot # label with cree bin code, quantity, lot # patent label is located on underside of carton label with cree bin code, quantity, lot # 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 5.875 5.875 .38 r .375 .875 .875 1 / 1 0.500 a cxa15xx_datasheet_bag2013 cxa15xx_datasheet bag label with cree bin code, quantity, lot # label with cree bin code, quantity, lot # label with cree bin code, quantity, lot # patent label is located on underside of cover label with cree bin code, quantity, lot # 1.188 1.188 r.375 7.125 7.625 copyright ? 2017 cree, inc. all rights reserved. the information in this document is subject to change without notice. cree ? , xlamp ? and easywhite ? are registered trademarks and the cree logo is a trademark of cree, inc. ul ? and the ur logo are registered trademarks of ul llc. xlamp ? c ma 2550 led


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