1/10 1. scope of application these specifications are applied to the chip type led lamp , model cll253emc7w1c. 2. part code c l l 2 5 3 e m c 7 w 1 c c l l 2 5 3 e m c 7 w 1 c c l l 2 5 3 e m c 7 w 1 c c l l 2 5 3 e m c 7 w 1 c series l253e : white power led for general lighting. special specifications m : general color rendering index typ. 85 type. watt class c7 : 7 watt package. lighting color w1 : compliance with ansi c78.3772008, 3step macadam ellipse, correlated color temperature 4000k symbol citiled name cll253emc7l1c data sheet citizen electronics co.,ltd. japan ref.ce-p989 03/11
2/10 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 + rjc p d pulse current : tj = tc + rjc pw(power dissipation / onepulse) duty symbol parameter rating value 10.4490 citiled name cll253emc7l1c 700 30 ~ +85 150 40 ~ +100 1 data sheet citizen electronics co.,ltd. japan anode cathode resin tc measurement point cathode mark marking 1 marking 2 it has a protection device built in as a protection circuit against static electricity. unit : mm tolerances unless otherwise specified : 0.3 protection device anode cathode marking 1 : serial no. marking 2 :e m 7 w 1 c color watt ra w1 7 : 7w m : typ.85 ref.ce-p989 03/11
3/10 ( 2 ) electrooptical characteristics ( tc=25 c ) symbol condition min. typ. max. unit v f i f =420ma 17.5 18.6 21.0 v v if=420ma 542 603 lm ra if=420ma 82 (85) rjc junctioncase (3.0) c/w chromaticity coordinates ( condition : i f =420ma ,tc=25 c ) note: the tolerance of measurement at our tester is v f 3% , v10% , chromaticity(x,y)0.005. and ra+/ 2. symbol citiled name cll253emc7l1c data sheet parameter forward voltage luminous flux general color rendering index thermal resistance citizen electronics co.,ltd. japan reference (ansi c78.377) x y x y 0.3818 0.3797 center 0.3818 0.3797 (3985k) a 0.4006 0.4044 a 0.00939 b 0.3736 0.3874 b 0.00402 c 0.3670 0.3578 ? 54.00 d 0.3898 0.3716 *color region stay within macadam "3step" ellipse from the chromaticity center. *the chromaticity center refers to ansi c78.377:200 8. please refer to ansi c78.377 for the chromaticity center. * is the angle between the major axis of the ellip se and the xaxis, and a and b are the major and minor semiaxes of a n ellipse. (ref. iec 60081:1997 annexd) w1 color rank color rank w1 center oval parameter xy chartcie1931 0.35 0.36 0.37 0.38 0.39 0.40 0.41 0.36 0.37 0.38 0.39 0.40 0.41 x y color region color region (ansi) 3800k 4400k 4000k 3600k 4200k ref.ce-p989 03/11
4/10 5. characteristics ? forward current vs. forward voltage ? forward current vs. relative luminous flux ? case temperature vs. chromaticity coordinate symbol citiled name cll253emc7l1c data sheet ? case temperature vs. allowable forward current citizen electronics co.,ltd. japan 0.020 0.015 0.010 0.005 0.000 0.005 0.010 0.015 0.020 0 100 200 300 400 500 i f [ma] x, y x y 15.0 16.0 17.0 18.0 19.0 20.0 21.0 0 100 200 300 400 500 i f [ma] v f [v] 0.020 0.015 0.010 0.005 0.000 0.005 0.010 0.015 0.020 0 20 40 60 80 100 tc [c] x, y x y i f =420ma tc=25c tc=25c 0% 20% 40% 60% 80% 100% 120% 140% 0 100 200 300 400 500 i f [ma] relative luminous flux [a.u.] tc=25c ref.ce-p989 03/11
5/10 ? case temperature vs. forward voltage ? case temperature vs. relative luminous flux ? spectrum symbol data sheet ? case temperature vs. allowable forward current citiled name cll253emc7l1c citizen electronics co.,ltd. japan 15.0 16.0 17.0 18.0 19.0 20.0 21.0 0 20 40 60 80 100 tc [c] [v] 0% 20% 40% 60% 80% 100% 120% 0 20 40 60 80 100 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.] 0 100 200 300 400 500 0 25 50 75 100 125 150 tc [c] i f [ma] i f =420ma i f =420ma tc=25c,i f =420ma ref.ce-p989 03/11
6/10 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. cll251mc4l reliability test results will be used for cll253emc7w1c. symbol measuring item moistureproof test 60 c, 90 %rh for 1000 hours continuous operation test test item thermal shock test measuring condition test condition data sheet low temperature storage test ta=25 c,i f =480 ma 1000 hours(with alfin) ta=50 c,i f =480 ma 1000 hours(with alfin) high temperature storage test 100 c 1000 hours returned to the normal ambient conditions after the completion of each test. i f =480ma forward voltage < s 0.85 40 c 30 minutes C 100 c 30 minutes, 100 cycle judgment criteria for failure note: measurement shall be taken between 2 hours and 24 hours, and the test pieces should be total luminous flux citiled name cll253emc7l1c 40 c 1000 hours > u 1.1 i f =480ma citizen electronics co.,ltd. japan ref.ce-p989 03/11
7/10 7. packing specifications (1) packing an empty tray is placed on top of a fivetier tray which contain 48 pieces each. the set of six trays is banded together with two rubber bands. (smallest packing unit: 240 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 data sheet citizen electronics co.,ltd. japan citiled name cll253emc7l1c < packing figure > product 50pcs/tray 310 210 14.6 product 48pcs/tray < example of indication label > 1. type e.g. cll253emc7w1c2. 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 : mar 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. 240 pieces customer pass citizen electronics type p.no lot no q'ty CL-L253E-MC7W1-C xxx 03d001 240 pcs. (1)(2) (3) (4) ref.ce-p989 03/11
8/10 8. precautions 1. avoid the application of any stress to the lens portion. 2. avoid any contact by a sharp metal nail or other materials with the lens 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 antistatic 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 ed4701/304). 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 staticdamaged leds by a lighton test. symbol citiled name cll253emc7l1c condition data sheet judgmental criterion i f =7ma/pkg nolighting in entire block making up parallel circuit is unacceptable as the connection status could vary depending on materials of outer heat sink, citizen electronics co.,ltd. japan resin portion (shaded area) thermal conduction materials (insulation) outer heart sink spring washer ( Q 6mm) m3screw (insulation) plane washer ( Q 6mm) l251 consists of seven blocks. 13.08 mm 12.64 mm ref.ce-p989 03/11
9/10 8. precautions (continued) symbol 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. data sheet factors responsible for an increase in temperature include heat generation attributed to please ensure that heat generation is not in excess of the absolute maximum rating. (refer to 41 performance) 8. please be aware that this product should not come into contact with any other parts in assembled status. 7. lighting at a low current a minimum current value of lighting of all dice is 35ma. when a minimum current is applied, led dice may look different in their brightness due to 350c or less within 3.5 seconds for one land. (recommended condition in a case of leadfree solder condition) no external force shall be applied to resin part during soldering. for soldering correction regarding soldering correction, above conditions shall be used. 12. other this product complies with rohs directives. contacts number of soldering bit should be within twice for each terminal as a correction. * 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. the individual difference of the led element, and it is not a failed product. 10. heat generation manual soldering ambient temperature conditions or power dissipation. thus, drive conditions should be 11. recommended soldering condition (this product is not adaptable to reflow process) 9. drive circuit taken into consideration, depending on ambient temperature (ta). soldering shall be implemented using a soldering bit of 40w or less with a temperature citiled name cll253emc7l1c next process of soldering should be carried out after the product has returned to ambient 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 applied to this product instantaneously when the circuit is on or off. citizen electronics co.,ltd. japan ref.ce-p989 03/11
10/10 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 data sheet citizen electronics co.,ltd. japan 9. precautions with regard to product use please confirm the latest product information with a citizen electronics' sales office, and formal specifications must be exchanged and signed by both parties prior to mass production. products are used as intended. citizen electronics neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other 1. this document is provided for reference purposes only so that citizen electronics' a result of errors or omissions in the information included in this document. but citizen electronics assumes no liability whatsoever for any damages incurred as rights of citizen electronics or any third party with respect to the information before purchasing or using any citizen electronics' products listed in this document, in this document. 2. all information included in this document such as product data, diagrams, charts, is current as of the date this document is issued. 3. citizen electronics has used reasonable care in compiling the information 4. absent written signed agreement, except as provided in the relevant terms and conditions of or conditions of merchantability, fitness for a particular purpose, accuracy of information, and conditions related to sale, use of product, or information, including warranties or no infringement. citiled name cll253emc7l1c in which a malfunction or failure of a product could cause loss of human life, 5. though citizen electronics works continually to improve products' quality and reliability, 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, 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. products can malfunction or fail. customers are responsible for complying with safety standards citizen electronics assumes no liability for customers' product design or applications. bodily injury or damage to property, including data loss or corruption. 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. ref.ce-p989 03/11
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