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key features ? high luminous efficacy 40w cool white led ? small foot print ? 9.0mm x 9.0mm x 5.4mm ? surface mount ceramic package with integrated glass lens ? extremely low thermal resistance (0.7c/w) ? ultra high luminous flux density ? spatial color uniformity across radiation pattern ? new industry standard for lumen maintenance (>90% at 100,000 hours) ? jedec level 1 for moisture sensitivity level ? lead (pb) free and rohs compliant ? reflow solderable (up to 6 cycles) ? emitter available on serial mcpcb (optional) ? recommend use with ll-3t08 lens family to provide standard beam patterns suitable for general lighting applications typical applications ? general lighting ? down lighting ? architectural lighting ? street lighting ? stage and studio lighting ? refrigeration lighting ? portable lighting description the LZC-00CW40 cool white led emitter provides 40w power in an extremely small package. with a small 9.0mm x 9.0mm x 5.4mm footprin t, this package provides exceptional luminous flux density. ledengin?s patent-pending thermally insulated phosphor layer provides spatial color uniformity across the radiation pattern and a consistent cct over time and temperature. the high quality materials used in the package are chosen to optimize light output and minimize stresses which results in superior reliability and lumen maintenance. the robust product design thrives in outdoor applications with high ambient temperatures and high humidity. high luminous efficacy cool white led emitter LZC-00CW40 leden g in, inc.
led engin, inc. 2 LZC-00CW40 (01/12/10) table of contents product nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 luminous flux binning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 forward voltage binning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 cool white chromaticity binni ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ipc/jedec moisture sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 average lumen maintenance projections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 typical radiation pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 optical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 pin-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 recommended solder pad layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 reflow soldering profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 typical relative spectral power distr ibution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 typical relative light output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 typical relative light output over temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 typical forward current characteristi cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 current derating curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mcpcb option configuration. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 company information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
led engin, inc. 3 LZC-00CW40 (01/12/10) product nomenclature the lz series part number designation is defined as follows: l z a ? b c d e f g - h j k l where: a ? designates the number of led die in the package (?c? for 40w) b ? designates the package level (?0? for emitter; ?7? for serial mcpcb) c ? designates the radiation pattern (?0? for lambertian) d and e ? designate the color (?cw? for cool white: 4750 k < cct < 7200 k) f and g ? designate the power (?40? for 40w typical rating) h ? designates the luminous flux bin (see table 1) j and k ? designate the cct bin groups (see figure 1 and table 3) l ? designates the v f bin (see table 2) luminous flux bins table 1: bin code minimum luminous flux ( v ) @ i f = 700ma [1,2] (lm) maximum luminous flux ( v ) @ i f = 700ma [1,2] (lm) typical luminous flux ( v ) @ i f = 1000ma [2] (lm) x 1,085 1,357 1,540 y 1,357 1,696 1,920 z 1,696 2,120 2,400 notes for table 1: 1. luminous flux performance guaranteed within published oper ating conditions. ledengin maintains a tolerance of 10% on flux measurements. 2. luminous flux typical value is for all 12 le d dice operating concurrently at rated current. forward voltage bins table 2: bin code minimum forward voltage (v f ) @ i f = 700ma [1,2] (v) maximum forward voltage (v f ) @ i f = 700ma [1,2] (v) f 38.40 41.28 g 41.28 44.16 h 44.16 47.04 j 47.04 49.92 notes for table 2: 1. ledengin maintains a tolerance of 0.48v for forward voltage measurements. 2. forward voltage is binned with 12 led dice connected in seri es. the actual led is configured with two strings of 6 dice in series. base part number bin code
led engin, inc. 4 LZC-00CW40 (01/12/10) cool white chromaticity groups figure 1: standard chromaticity groups plotted on excerpt from the cie 1931 (2) x-y chromaticity diagram. coordinates are listed below in table 3. cool white chromaticity coordinates table 3: bin code x y typical cct (k) bin code x y typical cct (k) bin code x y typical cct (k) t2 0.3205 0.3196 0.3008 0.3028 0.3481 0.3600 0.3400 0.3304 6750 s2 0.3376 0.3382 0.3196 0.3207 0.3616 0.3760 0.3600 0.3462 5800 r2 0.3551 0.3570 0.3382 0.3376 0.3760 0.3903 0.3760 0.3616 5000 t3 0.3221 0.3205 0.3028 0.3068 0.3261 0.3481 0.3304 0.3113 6750 s3 0.3366 0.3376 0.3207 0.3222 0.3369 0.3616 0.3462 0.3243 5800 r3 0.3515 0.3551 0.3376 0.3366 0.3487 0.3760 0.3616 0.3369 5000 t4 0.3230 0.3221 0.3068 0.3089 0.3140 0.3261 0.3113 0.3011 6750 s4 0.3361 0.3366 0.3222 0.3230 0.3251 0.3369 0.3243 0.3140 5800 r4 0.3498 0.3515 0.3366 0.3361 0.3360 0.3487 0.3369 0.3251 5000 0.27 0.29 0.31 0.33 0.35 0.37 0.39 0.41 0.43 0.29 0.31 0.33 0.35 0.37 x y 4750 k t4 s4 5300 k 7200 k 6300 k r2 planckian locus r4 s2 t2 r3 s3 t3
led engin, inc. 5 LZC-00CW40 (01/12/10) ipc/jedec moisture sensitivity level table 4 - ipc/jedec j-std-20.1 msl classification: soak requirements floor life standard accelerated level time conditions time (hrs) conditions time (hrs) conditions 1 unlimited 30c/ 85% rh 168 +5/-0 85c/ 85% rh n/a n/a notes for table 4: 1. the standard soak time includes a default value of 24 hours for semiconductor manufacturer?s exposure time (met) between bake and bag and includes the maximum time allowed out of the bag at t he distributor?s facility. average lumen maintenance projections lumen maintenance generally describes the ability of a lamp to retain its output over time. the useful lifetime for solid state lighting devices (power leds) is also defined as lumen maintenance, with the percentage of the original light output remaining at a defined time period. based on long-term whtol testing, ledengin projects that the lz series will deliver, on average, 90% lumen maintenance at 100,000 hours of operation at a forward current of 700 ma per die. this projection is based on constant current operation with junction temperature maintained at or below 125c. typical radiation pattern figure 2: typical representative spatial radiation pattern.
led engin, inc. 6 LZC-00CW40 (01/12/10) absolute maximum ratings table 5: parameter symbol value unit dc forward current [1] i f 1000 ma peak pulsed forward current [2] i fp 1500 ma reverse voltage v r see note 3 v storage temperature t stg -40 ~ +150 c junction temperature t j 150 c soldering temperature [4] t sol 260 c allowable reflow cycles 6 esd sensitivity [5] > 8,000 v hbm class 3b jesd22-a114-d notes for table 5: 1. maximum dc forward current (per die) is determined by the overall thermal resist ance and ambient temperature. follow the curves in figure 10 for current derating. 2: pulse forward current conditions: pulse width 10msec and duty cycle 10%. 3. leds are not designed to be reverse biased. 4. solder conditions per jedec 020d. see reflow soldering profile figure 5. 5. ledengin recommends taking reasonable precautions to wards possible esd damages and handling the lz4-00cw40 in an electrostatic protected area (epa). an epa ma y be adequately protected by esd controls as outlined in ansi/esd s6.1. optical characteristics @ t c = 25c table 6: parameter symbol typical unit luminous flux (@ i f = 700ma) [1] v 1900 lm luminous flux (@ i f = 1000ma) [1] v 2400 lm luminous efficacy (@ i f = 350ma) 88 lm/w correlated color temperature cct 5500 k chromaticity coordinates x,y 0.332, 0.342 color rendering index (cri) r a 75 viewing angle [2] 2 1/2 110 degrees notes for table 6: 1. luminous flux typical value is for all 12 le d dice operating concurrently at rated current. 2. viewing angle is the off-axis angle from emitter center line where the luminous intensit y is ? of the peak value. electrical characteristics @ t c = 25c table 7: parameter symbol typical unit forward voltage (@ i f = 700ma) [1] v f 42.0 v forward voltage (@ i f = 1000ma) [1] v f 43.8 v temperature coefficient of forward voltage [1] ? v f / ? t j -33.6 mv/c thermal resistance (junction to case) r j-c 0.7 c/w notes for table 7: 1. forward voltage is binned with 12 led dice connected in seri es. the actual led is configured with two strings of 6 dice in series.
led engin, inc. 7 LZC-00CW40 (01/12/10) 2 3 5 6 17 18 14 15 mechanical dimensions (mm) figure 3: package outline drawing. notes for figure 3: 1. unless otherwise noted, the tolerance = 0.20 mm. recommended solder pad layout (mm) figure 4: recommended solder mask opening (hatched area) for anode, cathode, and thermal pad. note for figure 4: 1. unless otherwise noted, the tolerance = 0.20 mm. pin out pad series function 2 1 cathode 3 1 cathode 5 2 cathode 6 2 cathode 14 2 anode 15 2 anode 17 1 anode 18 1 anode
led engin, inc. 8 LZC-00CW40 (01/12/10) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 350 400 450 500 550 600 650 700 750 800 wavelength (nm) relative spectral power reflow soldering profile figure 5: reflow soldering profile for lead free soldering. typical relative spectral power distribution figure 6: typical relative spectral power vs. wavelength @ t c = 25c.
led engin, inc. 9 LZC-00CW40 (01/12/10) 60 70 80 90 100 110 120 0 20406080100 case temperature (c) relative light output (%) 0 20 40 60 80 100 120 140 0 200 400 600 800 1000 i f - forward current (ma) relative light output (%) typical relative light output figure 7: typical relative light output vs. forward current @ t c = 25c. notes for figure 7: 1. luminous flux typical value is for all 12 le d dice operating concurrently at rated current. typical relative light output over temperature figure 8: typical relative light output vs. case temperature. notes for figure 8: 1. luminous flux typical value is for all 12 le d dice operating concurrently at rated current.
led engin, inc. 10 LZC-00CW40 (01/12/10) 0 200 400 600 800 1000 1200 36 37 38 39 40 41 42 43 44 45 v f - forward voltage (v) i f - forward current (ma) 0 200 400 600 800 1000 1200 0 25 50 75 100 125 150 maximum ambient temperature (c) i f - maximum current (ma) 700 (rated) r j-a = 2.0c/w r j-a = 3.0c/w r j-a = 4.0c/w typical forward current characteristics figure 9: typical forward current vs. forward voltage @ t c = at 25c. note for figure 9: 1. forward voltage assumes 12 led dice connected in series. t he actual led is configured with two strings of 6 dice in series. current derating figure 10: maximum forward current vs. ambient temperature based on t j(max) = 150c. notes for figure 10: 1. maximum current assumes that all led dice are operating concurrently at the same current. 2. r j-c [junction to case thermal resistance] for the LZC-00CW40 is typically 0.7c/w. 3. r j-a [junction to ambient thermal resistance] = r j-c + r c-a [case to ambient thermal resistance].
led engin, inc. 11 LZC-00CW40 (01/12/10) + \ mcpcb option ? serial configuration lzc-70xw40 ? typical thermal resistance for mcpcb adds only 0.8c/w ? serial configuration allows for easy driver control ? mcpcb contains zener diodes for enhanced esd protection the lzc-70xx40 serial mcpcb option provides a convenient method to mount ledengin?s single color 40w emitters. the six recessed features allow the use of m3 or #4 screws to attach the mcpcb to a heat sink. the mcpcb also contains zener diodes for enhanced esd protection. r , j-b lookup table table 8: product typical emitter r j-c + typical mcpcb r c-b = typical emitter + mcpcb r j-b [1] 40w 0.7c/w + 0.8c/w = 1.5c/w serial mcpcb mechanical dimensions (mm) figure 11: standard mcpcb outline dimensions (mm). note for figure 1: 1. unless otherwise noted, the tolerance = 0.20 mm. 2. slots in mcpcb are for m3 or #4 mounting screws. 3. ledengin recommends using plastic washers to electrically insulate screws from solder pads and electrical traces. 4. ledengin recommends using thermally conductive t ape or adhesives when attaching mcpcb to a heat sink. pin out pad function - cathodes + anodes
led engin, inc. 12 LZC-00CW40 (01/12/10) company information ledengin, inc. is a silicon valley based solid- state lighting company specializing in the development and manufacturing of unprecedented high-power led emitters, modules and replacement lamps. ledengin?s packaging technologies lead the industry with products that feature lowest thermal resistance, highest flux density and consummate reliability, enabling compact and efficient solid state lighting solutions. ledengin?s led emitters range from 3w to 40w with ultra-compact footprints and are available in single color products including cool white, neutral white, warm white, red, green, blue, amber, deep red, far red, dental blue and uv as well as multi-color products with rgb, rgba and rgbw options. ledengin?s brightest white leds are capable of emitting 2,000 lumens. ledengin?s robust emitters are at the core of its unique line of modules and replacement lamps producing unmatched beam quality resulting in true lux on target? for a wide variety of spot and narrow flood directional lighting applications. ledengin is committed to providing products that conserve natural resources and reduce greenhouse emissions. ledengin reserves the right to make changes to improve performance without notice. please contact sales@ledengin.com or (408) 492-0620 for more information.

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