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1/11 1. scope of application this data sheet is applied to the chip type led lamp, model CL-L340-MC41L2-C. 2. part code c l - l 3 4 0 - m c 4 1 l 2 - c series l340 : white power led for general lighting. special specifications m : general color rendering index typ. 83 type. watt class c41 : 41 watt package. lighting color l2 : compliance with ansi c78.377-2008, 3-step macadam ellipse, correlated color temperature 2700k symbol data sheet citiled name citizen electronics co.,ltd. japan CL-L340-MC41L2-C ref.ce-p1119 05/11
2/11 3. outline drawing 4. performance ( 1 ) absolute maximum rating symbol unit power dissipation p d w forward current i f ma forward pulse current i fp ma *1 reverse current i r ma operating temperature t op c storage temperature t st c junction temperature tj max c *2 *1 forward current : duty<=1/10 , pulse width<=10msec *2 d.c. current : tj = tc + rj-c p d pulse current : tj = tc + rj-c pw(power dissipation / one-pulse) duty symbol citizen electronics co.,ltd. japan -40 +100 150 1 1,8001,875 -30 +85 data sheet citiled name CL-L340-MC41L2-C parameter rating value 101.1 cathode anode tc measurement point marking it has a protection device built in as a protection circuit against static electricity. unit : mm tolerances unless otherwise specified : 0.3 resin protection device cathode anode x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 x 15 color l2 : 2700k watt 41 : 41w ra m : typ.83 marking 1 : serial no. marking 2 : m 41 l2 c ref.ce-p1119 05/11
3/11 ( 2 ) electro-optical characteristics ( tc=25 c ) symbol condition min. typ. max. unit v f if=900ma 43.8 46.5 52.5 v *1 v if=900ma 2420 2850 - lm *1 ra if=900ma 80 83 - - *1 rj-c junction-case - 1.0 - c/w (*1 measured after driving for 20ms ) chromaticity coordinates ( condition : i f =900ma, tc=25 c ) note: the tolerance of measurement at our tester is v f +/-3%, v+/-10%, chromaticity(x,y)+/-0.005 and ra+/-1. symbol data sheet citizen electronics co.,ltd. japan thermal resistance luminous flux general color rendering index citiled parameter forward voltage name CL-L340-MC41L2-C reference (ansi c78.377) x y x y 0.4578 0.4101 center 0.4578 0.4101 (2725k) a 0.4813 0.4319 a 0.00774 b 0.4562 0.4260 b 0.00411 c 0.4373 0.3893 ? 57.28 d 0.4593 0.3944 *color region stay within macadam "3-step" ellipse from t he chromaticity center. *the chromaticity center refers to ansi c78.377:2008. please refer to ansi c78.377 for the chromaticity ce nter. * is the angle between the major axis of the ellipse a nd the x-axis, and a and b are the major and minor semi-axes of an ellipse. (ref. iec 60081:1997 annexd) l2 color rank color rank l2 center oval parameter x-y chart-cie1931 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 color region color region (ansi) b.b. locus 2600k 2900k 2700k 2500k 2800k ref.ce-p1119 05/11
4/11 5. characteristics ? forward current vs. forward voltage ? forward current vs. relative luminous flux ? forward current vs. chromaticity coordinate ? case temperature vs. chromaticity coordinate symbol citiled data sheet citizen electronics co.,ltd. japan name CL-L340-MC41L2-C -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0 250 500 750 1000 1250 1500 1750 2000 i f [ma] ?x, ?y ?x ?y 0% 20% 40% 60% 80% 100% 120% 140% 160% 0 250 500 750 1000 1250 1500 1750 2000 i f [ma] relative luminous flux [a.u.] 40.0 42.0 44.0 46.0 48.0 50.0 52.0 0 250 500 750 1000 1250 1500 1750 2000 i f [ma] vf [v] -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0 25 50 75 100 125 150 tc [c] ?x, ?y ?x ?y i f =900ma tc=25c tc=25c tc=25c ref.ce-p1119 05/11
5/11 ? case temperature vs. forward voltage ? case temperature vs. relative luminous flux ? spectrum symbol citiled name CL-L340-MC41L2-C data sheet ? case temperature vs. allowable forward current citizen electronics co.,ltd. japan 40.0 42.0 44.0 46.0 48.0 0 25 50 75 100 125 150 tc [c] [v] 0% 20% 40% 60% 80% 100% 120% 0 25 50 75 100 125 150 tc [c] relative luminous flux [a.u.] 0% 20% 40% 60% 80% 100% 120% 350 450 550 650 750 850 [nm] relative emission intensity [a.u.] 0 200 400 600 800 1000 1200 1400 1600 1800 2000 0 25 50 75 100 125 150 tc [c] i f [ma] i f =900ma i f =900ma tc=25c, i f =900ma ref.ce-p1119 05/11
6/11 6. reliability (1) details of the tests (2) judgment criteria of failure for reliability test (ta=25 c) symbol v f v u defines the upper limit of the specified characteristics. s defines the initial value. cl-l340-c41n-c reliability test results will be used for CL-L340-MC41L2-C . symbol measuring item > u 1.1 note: measurement shall be taken between 2 hours and 24 hours, and the test pieces should be i f =900ma forward voltage -40 c 30 minutes C 100 c 30 minutes, 100 cycle ta=25 c,i f =900 ma 1000 hours(with al-fin) ta=50 c,i f =900 ma 1000 hours(with al-fin) test condition 60 c, 90 %rh for 1000 hours data sheet citiled test item low temperature storage test -40 c 1000 hours high temperature storage test 100 c 1000 hours continuous operation test judgment criteria for failure measuring condition total luminous flux i f =900ma moisture-proof test citizen electronics co.,ltd. japan name CL-L340-MC41L2-C returned to the normal ambient conditions after the completion of each test. < s 0.85 thermal shock test ref.ce-p1119 05/11
7/11 7. packing specifications (1) packing an empty tray is placed on top of a five-tier tray which contain 30 pieces each. the set of six trays is banded together with two rubber bands. (smallest packing unit: 150 pieces) a label with product name, quantity, lot number is placed on the upper empty tray. tray (dimensions: 310 210 14.6mm / materials: electrically conductive ps) symbol citiled name CL-L340-MC41L2-C citizen electronics co.,ltd. japan data sheet < packing figure > product 30 pcs / tray 310 210 14.6 < example of indication label > 1. type e.g. CL-L340-MC41L2-C 2. p.no. (cutomer's p/n) e.g. xxx 3. lot no. e.g. 03d001 - first letter: last digit of the year e.g. 0 : year 2010 - second letter: production month e.g. 3 : ma r note: october, november and december are designated by x, y and z, respectively. - third letter: ce's control number e.g. d001 4. quantity e.g. 150 pieces customer pass citizen electronics type p.no lot no q'ty CL-L340-MC41L2-C xxx 03d001 150 pcs. ---(1) ---(2) ---(3) ---(4) ref.ce-p1119 05/11
8/11 8. precautions 1. avoid the application of any stress to the resin portion. 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. please check thoroughly. 4. insulation between the terminal section and the heat sink section of the led is not covered by warranty. with regard to insulation after this product has been assembled in an apparatus, preventive action should be carried out by the customer. 5. for fixing this product to the outer heat sink, heat grease should be applied to the whole rear surface so that the product can dissipate heat as a whole. please pay attention to avoid product deformation when conducting the clamping operation with heat grease in sheet form. 6. 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. - esd sensitivity of this product is 1000v (hbm, based on jeita ed-4701/304). - 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. symbol citiled name CL-L340-MC41L2-C as the connection status could vary depending on materials of outer heat sink, data sheet citizen electronics co.,ltd. japan resin portion (shaded area) recommended installation screw pitch thermal conduction materials (insulation) outer heart sink spring washer ( Q 6mm) m3screw (insulation) plane washer ( Q 6mm) 22.0mm 22.0 mm ref.ce-p1119 05/11
9/11 8. precautions (continued) symbol citizen electronics co.,ltd. japan 9. drive circuit a minimum current value of lighting of all dice is 75ma. in assembled status. - soldering shall be implemented using a soldering bit of 40w or less with a temperature 350c or less within 3.5 seconds for one land. the individual difference of the led element, and it is not a failed product. 11. recommended soldering condition (this product is not adaptable to reflow process) - as this product is designed with consideration of the heat release property of module, a heat release design is required to use this product efficiently. 8. please be aware that this product should not come into contact with any other parts - a constant current circuit is recommended as a drive circuit. name CL-L340-MC41L2-C (recommended condition in a case of lead-free solder condition) - no external force shall be applied to resin part during soldering. - next process of soldering should be carried out after the product has returned to ambient - for soldering correction citiled please ensure that heat generation is not in excess of the absolute maximum rating. (refer to 4-1 performance) 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 7. lighting at a low current when a minimum current is applied, led dice may look different in their brightness due to data sheet - regarding soldering correction, above conditions shall be used. - manual soldering applied to this product instantaneously when the circuit is on or off. 10. heat generation ambient temperature conditions or power dissipation. thus, drive conditions should be taken into consideration, depending on ambient temperature (ta). - contacts number of soldering bit should be within twice for each terminal as a correction. - factors responsible for an increase in temperature include heat generation attributed to * citizen electronics cannot guarantee if usage exceeds this recommended conditions. please use it after sufficient verification is carried out on your own risk if necessary. ref.ce-p1119 05/11
10/11 12. eye safety - the international electrical commission (iec) published in 2006 iec 62471 2006 photobiological safety oflamps and lamp systems which includes leds within its scope. when sorting single leds according to iec 62471, most leds can be classified as belonging to either exempt group or risk group 1. - optical characteristics of leds such as radiant flux, spectrum and light distribution are factors that affect the risk group determination of the led, and especially a high-power led, that emits light containing blue wavelengths, may have properties equivalent to those of risk group 2. - great care should be taken when directly viewing an led that is driven at high current, has multiple uses as a module or when focusing the light with optical instruments, as these actions may greatly increase the hazard to your eyes. - in addition, led sources that were included within the scope of iec 60825-1 / edition 1.2 laser safety standard, published 2001 were removed from the scope of the iec 60825-1 / edition 2.0 revised 2007. - however, keep in mind that some countries and regions have adopted standards based on the iec laser safety standard iec 60825-1:2001 which includes leds within its scope. symbol data sheet 13. other citiled name CL-L340-MC41L2-C citizen electronics co.,ltd. japan - this product complies with rohs directives. ref.ce-p1119 05/11
11/11 such information, however, is subject to change without any prior notice. included in this document, business interruption and loss of data, and disclaims any and all express or implied warranties and for providing adequate designs and safeguards to minimize risk and avoid situations symbol name CL-L340-MC41L2-C citizen electronics co.,ltd. japan in addition, customers are also responsible for determining the appropriateness of use of any information contained in this document such as application cases not only with evaluating by their own but also by the entire system. citiled 6. please contact citizen electronics' sales office if you have any questions regarding the information contained in this document, or if you have any other inquiries. a result of errors or omissions in the information included in this document. or conditions of merchantability, fitness for a particular purpose, accuracy of information, 4. absent written signed agreement, except as provided in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, citizen electronics assumes no liability whatsoever, including without limitation, indirect, consequential, special, or incidental damages or loss, including without limitation, loss of profits, loss of opportunities, or no infringement. and conditions related to sale, use of product, or information, including warranties and formal specifications must be exchanged and signed by both parties prior to mass production. 3. citizen electronics has used reasonable care in compiling the information but citizen electronics assumes no liability whatsoever for any damages incurred as 2. all information included in this document such as product data, diagrams, charts, is current as of the date this document is issued. before purchasing or using any citizen electronics' products listed in this document, please confirm the latest product information with a citizen electronics' sales office, in this document nor grants any license to any intellectual property rights or any other rights of citizen electronics or any third party with respect to the information in this document. 1. this document is provided for reference purposes only so that citizen electronics' products are used as intended. citizen electronics neither makes warranties or representations with respect to the accuracy or completeness of the information contained 9. precautions with regard to product use data sheet citizen electronics assumes no liability for customers' product design or applications. 5. though citizen electronics works continually to improve products' quality and reliability, products can malfunction or fail. customers are responsible for complying with safety standards in which a malfunction or failure of a product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. ref.ce-p1119 05/11

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