1/9 1. scope of application these specifications are applied to the chip type led lamp , model CL-L251-MC6L2 2. part code c l - l 2 5 1 - m c6 l2 series l251 : white power led for general lighting. special specifications m : general color rendering index typ. 85 type. watt class c6 : 6 watt package. lighting color l2 : energy star correlated color temperature 2700(k) approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. CL-L251-MC6L2 drawing no specifications name ref.ce-p456 04/09
2/9 3. outline drawing 4. performance ( 1 ) absolute maximum rating symbol unit power dissipation pd w forward current i f a forward pulse current i fp a *1 reverse current i r ma operating temperature t op storage temperature t st junction temperature tj max *2 *1forward current : dutyQ1/10 , pulse widthQ10msec *2 d.c. current : tj = tc + rj-c x pd pulse current : tj = tc + rj-c x pw(power dissipation / one-pulse) x duty approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 drawing no -40 +100 120 0.84 1.2 1 -30 +85 parameter rating value 8.9 specifications tc measurement point tolerances unless otherwise specified : 0.3mm unit : mm anode cathode 12 12 12 cathode anode ref.ce-p456 04/09
3/9 ( 2 ) electro-optical characteristics ( tc=25 ) symbol condition min typ max unit i r v r =15v - - 100 a r j-c junction-case - 4.0 - /w ra i f =720ma 80 85 - - chromaticity coordinates ( condition : i f =720ma ,tc=25 0 0 x y 0.4813 0.4319 0.4562 0.4260 0.4373 0.3893 0.4593 0.3944 0.4813 0.4319 note 1) the tolerance of measurement at our tester is vf 3% , v10% , chromaticity(x,y)0.01. note 2) for handling ,please apply cmos lsi or equivalent any electrostatic effect. approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 drawing no high general color rendering index color rank l2 290 360 - lm thermal resistance luminous flax v i f =720ma 9.30 10.5 v reverse current forward voltage v f i f =720ma 8.75 specifications parameter 0.38 0.39 0.40 0.41 0.42 0.43 0.44 0.43 0.44 0.45 0.46 0.47 0.48 0.49 x y ref.ce-p456 04/09
4/9 5. characteristics forward current vs. relative luminous flux forward current vs. forward voltage forward current vs. chromaticity coordinate case temperature vs. chromaticity coordinate approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 specifications drawing no if - chromaticity characteristics tc=25 -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0 200 400 600 800 1000 if(ma S x , S y Sx Sy if - v characteristicstc=25 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 200 400 600 800 1000 if (ma v ( a . u ) if - vf characteristicstc=25 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 0 200 400 600 800 1000 if (ma v f ( v ) tc - chromaticity characteristics if=720ma -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0.0 20.0 40.0 60.0 80.0 100.0 120.0 tc( S x , S y Sx Sy ref.ce-p456 04/09
5/9 case temperature vs. forward voltage case temperature vs. relative luminous flux case temperature vs. allowable forward current spectrum approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 specifications drawing no tcvfcharacteristicsif=720ma 50% 60% 70% 80% 90% 100% 110% 0.0 20.0 40.0 60.0 80.0 100.0 120.0 tc() v f ( a . u ) tcvcharacteristicsif=720ma 50% 60% 70% 80% 90% 100% 110% 0.0 20.0 40.0 60.0 80.0 100.0 120.0 tc() v ( a . u ) tc-i f characteristics 0 100 200 300 400 500 600 700 800 900 0 25 50 75 100 125 tc() i f ( m a ) spectrumif=720ma 0% 20% 40% 60% 80% 100% 120% 350 450 550 650 750 850 wavelength (nm) r e l a t i v e l u m i n o u s ref.ce-p456 04/09
6/9 6. reliability (1)details of the tests (2)judgment criteria of failure for reliability test (ta=25 ) symbol vf v u defines the upper limit of the specified characteristics.s defines the initial value. note: measurement shall be taken between 2 hours and 24 hours, and the test pieces should be returned to the normal ambient conditions after the completion of each test. cl-l251-mc4l reliability test results will be used for CL-L251-MC6L2. approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 drawing no judgment criteria for failure total luminous flux if=480ma u1.1 measuring item measuring condition ta=50 ,if=480ma(tj=86.3 )1000 hours (with al-fin) low temperature storage test -40 1000 hours high temperature storage test 100 1000 hours moisture proof test 602 , 905%rh for 1000 hours thermal shock test -40 30minutes - 100 30minutes,100 cycle specifications test item test condition room temperature operating life test ta=25 ,if=480ma(tj=61.5 )1000 hours (with al-fin) high temperature operating life test ref.ce-p456 04/09
7/9 7. packing specifications (1) packing approved checked drawn symbol citiled mark date drawing no description appro. citizen electronics co.,ltd. tray (dimensions: 310 200 14.6mm / materials: electrically conductive ps) name CL-L251-MC6L2 attached the indication label which specifies product name, quantity, lot number . one packing includes 240 pieces of led packages. so, packing unit is 240 pieces. note : all led packages are placed on the tray individually. one tray includes 48 pieces of led packages. in the packing, five trays filled with led packages and one empty tray are stacked. the empty one tray is put on the top of trays and specifications < packing figure > example of indication label customer type CL-L251-MC6L2 p.no lot no xxxxxx q'ty pcs pass citizen electronics c l - l 2 5 0 310 2 1 0 14.6 ref.ce-p456 04/09
8/9 precautions 1. avoid the application of any stress to the resin. 2. avoid any contact by a sharp metal nail or other materials with the resin portion. 3. this product should be secured firmly by fastening an m3 screw on both sides of the product. please be careful not to apply any stress to the product during the clamping operation. as the connection status could vary depending on materials of outer heat sink, please check thoroughly. 4. a heat radiating grease should be applied to the whole rear surface so that this product can dissipate heat as a whole. this product could be bent during the clamping operation if heat grease in sheet form is used. for this reason, it is recommended that grease in paste form is used. 5. handling of static electricity - these products are sensitive to static electricity charge. please take measures to prevent any static electricity being produced such as the wearing of a wristband or anti-static gloves when handling this product. - all devices, equipment and machinery must be properly grounded. it is recommended that precautions be taken against surge voltage to the equipment that mounts the leds. ce's lighting inspection criterion - when inspecting the final products in which leds were assembled, it is recommended to check whether the assembled leds are damaged by static electricity or not. it is easy to find static-damaged leds by a light-on test. *light-on test criterion - esd tolerance of this product is 1kv (hbm, based on jeita ed-4701/304). approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. name CL-L251-MC6L2 drawing no specifications condition judgmental criterion if=1ma / die no-lighting should not exist. resin portion (shaded area) recommended installation screw pitch thermal conductive silicone grease outer heat sink 12mm m3 screw 1 1 . 5 m m ref.ce-p456 04/09
9/9 precautions (continued) 6. please be aware that this product should not come into contact with other parts in assembled status. 8. heat generation a heat release design is required to use this product efficiently. please ensure that heat generation is not in excess of the absolute maximum rating. (refer to 4-1 performance) 9. recommended soldering of 40w or lower. the temperature of a soldering iron should be adjusted 350c or lower. - no external force is applied to sealing resin during soldering operation. - please do not handle a product until it returns to a normal temperature. note: this product is not adaptable to reflow process. 10. other - this product complies with rohs directives. office automation equipment, communication devices, audio-video equipment, home electrical appliances, measurement hardware and others). in cases where this product is used for the applications that requires high reliability or could directly affect human life or health due to failure or malfunction (aerospace hardware, medical equipment, atomic control equipment and others), please consult with our sales representatives beforehand. -an agreement of formal product specifications is required prior to mass production. - the specifications and appearance of this product are subject to change without advanced notice. approved checked drawn symbol citiled mark date description appro. citizen electronics co.,ltd. drawing no fabrication such as changes in shape. name CL-L251-MC6L2 taken into consideration, depending on ambient temperature (ta). - soldering operation should be performed within 3.5 seconds per land using a soldering iron - this product is intended for the application in general electronic devices (such as - our warranty does not cover situations where this product undergoes secondary applied to this product instantaneously when the circuit is on or off. - as this product is designed with consideration of the heat release property of module, - factors responsible for an increase in temperature include heat generation attributed to ambient temperature conditions or power dissipation. thus, drive conditions should be - a constant current circuit is recommended as a drive circuit. and when two or more led packages are connected, the series connection between each package is recommended. - please design a circuit that prevents any reverse voltage (excess current) from being specifications 7.drive circuit ref.ce-p456 04/09
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