1/10 1. scope of application this data sheet is applied to the chip type led lamp , model CL-L234A-MC18W1-C 2. part code c l - l 2 3 4 a - m c 1 8 w 1 - c series l234 : white power led for general lighting. special specifications m : general color rendering index typ. 85 type. watt class c18 : 18 watt package. lighting color w1 : compliance with ansi c78.377-2008, 3-step macadam ellipse correlated color temperature 4000k. symbol data sheet citiled CL-L234A-MC18W1-C citizen electronics co.,ltd. japan name ref.ce-p1724 12/11
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 + rj-c p d pulse current : tj = tc + rj-c pw(power dissipation / one-pulse) duty symbol citizen electronics co.,ltd. japan 29.4 720 name CL-L234A-MC18W1-C citiled 750 -30 ~ +85 150 -40 ~ +100 1 data sheet parameter rating value it has a protection device built in as a protection circuit against static electricity. unit : mm tolerances unless otherwise specified : 0.3 marking1 marking2 8.9 6 . 9 5 (tc measurement point) protection device anode cathode 6 6 6 6 6 6 6 6 6 6 6 6 marking1 : serial no. marking2 : m w1 c color w1 e.g. ra typ85 ref.ce-p1724 12/11
3/10 ( 2 ) electro-optical characteristics ( tc=25 c ) symbol condition min. typ. max. unit v f i f =480ma 35.8 38.2 43.2 v v i f =480ma 1131 1337 - lm ra i f =480ma 80 85 - - rj-c junction-case - 2.4 - c/w chromaticity coordinates ( condition : i f =480ma ,tc=25 c ) note: the tolerance of measurement at our tester is v f 3% , v10% , chromaticity(x,y)0.005. symbol citiled data sheet thermal resistance parameter forward voltage luminous flux name CL-L234A-MC18W1-C citizen electronics co.,ltd. japan general color rendering index 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 "3-step" ellipse from the chromaticity center. *the chromaticity center refers to ansi c78.377:2008. please refer to ansi c78.377 for the chromaticity center. * is the angle between the major axis of the ellipse and the x-axis, and a and b are the major and minor semi-axes of an ellipse. (ref. iec 60081:1997 annexd) w1 color rank color rank w1 center oval parameter x-y chart-cie1931 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) b.b. locus 3800k 4400k 4000k 3600k 4200k ref.ce-p1724 12/11
4/10 5. characteristics ? forward current vs. forward voltage ? forward current vs. relative luminous flux ? forward current vs. chromaticity coordinate ? case temperature vs. chromaticity coordinate symbol citizen electronics co.,ltd. japan citiled name CL-L234A-MC18W1-C data sheet -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0 200 400 600 800 i f [ma] x , y x y 0% 20% 40% 60% 80% 100% 120% 140% 0 100 200 300 400 500 600 700 i f [ma] r e l a t i v e l u m i n o u s f l u x [ a . u . ] 32.0 34.0 36.0 38.0 40.0 42.0 0 100 200 300 400 500 600 700 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 =480ma tc=25c tc=25c tc=25c ref.ce-p1724 12/11
5/10 ? case temperature vs. forward voltage ? case temperature vs. relative luminous flux ? spectrum symbol citizen electronics co.,ltd. japan ? case temperature vs. allowable forward current citiled name CL-L234A-MC18W1-C data sheet 32.0 34.0 36.0 38.0 40.0 0 20 40 60 80 100 tc [c] [ v ] 0% 20% 40% 60% 80% 100% 120% 0 20 40 60 80 100 tc [c] r e l a t i v e l u m i n o u s f l u x [ a . u . ] 0% 20% 40% 60% 80% 100% 120% 350 450 550 650 750 850 [nm] r e l a t i v e e m i s s i o n i n t e n s i t y [ a . u . ] 0 100 200 300 400 500 600 700 0 25 50 75 100 125 150 tc [c] i f [ m a ] i f =480ma i f =480ma tc=25c,i f =480ma ref.ce-p1724 12/11
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. cl-l221-c14l1 reliability test results will be used for CL-L234A-MC18W1-C. symbol -40 c 1000 hours high temperature storage test 100 c 1000 hours thermal shock test low temperature storage test citiled name CL-L234A-MC18W1-C note: measurement shall be taken between 2 hours and 24 hours, and the test pieces should be continuous operation test test item test condition judgment criteria for failure i f =480ma measuring condition i f =480ma ta=25 c, i f =480 ma 1000 hours(with al-fin) ta=80 c, tj P 120 c, i f =480 ma 1000 hours(with al-fin) data sheet moisture-proof test 60 c, 90 %rh for 1000 hours citizen electronics co.,ltd. japan measuring item forward voltage -40 c 30 minutes C 100 c 30 minutes, 100 cycle > u 1.1 < s 0.85 returned to the normal ambient conditions after the completion of each test. total luminous flux ref.ce-p1724 12/11
7/10 7. packing specifications (1) packing an empty tray is placed on top of a five-tier tray which contain 40 pieces each. the set of six trays is banded together with two rubber bands. (smallest packing unit: 200 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 CL-L234A-MC18W1-C citizen electronics co.,ltd. japan citiled name data sheet < packing figure > product 40pcs/tray 310 2 1 0 14.6 14.6 1. type e.g. CL-L234A-MC18W1-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 : 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. 200 pieces < example of indication label > customer pass citizen electronics type p.no lot no q'ty CL-L234A-MC18W1-C xxx 03d001 200 pcs. ---(1) ---(2) ---(3) ---(4) ref.ce-p1724 12/11
8/10 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 citizen electronics co.,ltd. japan citiled name CL-L234A-MC18W1-C as the connection status could vary depending on materials of outer heat sink, i f =6ma/pkg no-lighting in entire block making up parallel circuit is unacceptable data sheet judgmental criterion condition l234 consists of twelve blocks. recommended installation screw pitch thermal conduction materials (insulation) outer heart sink spring washer ( Q 6mm) m3screw (insulation) plane washer ( Q 6mm) 19.5mm 1 1 . 0 m m resin portion (shaded area) ref.ce-p1724 12/11
9/10 8. precautions (continued) symbol citizen electronics co.,ltd. japan citiled name CL-L234A-MC18W1-C 8. please be aware that this product should not come into contact with any other parts - no external force shall be applied to resin part during soldering. - for soldering correction - regarding soldering correction, above conditions shall be used. - a constant current circuit is recommended as a drive circuit. and when two or more led packages are connected, the series connection (recommended condition in a case of lead-free solder condition) 7. lighting at a low current a minimum current value of lighting of all dice is 30ma. when a minimal current is applied, led dice may look different in their brightness due to the individual difference of the led element, and it is not a failed product. in assembled status. 9. drive circuit a heat release design is required to use this product efficiently. between each package is recommended. - please design a circuit that prevents any reverse voltage (excess current) from being please ensure that heat generation is not in excess of the absolute maximum rating. (refer to 4-1 performance) - next process of soldering should be carried out after the product has returned to ambient ambient temperature conditions or power dissipation. thus, drive conditions should be - manual soldering - soldering shall be implemented using a soldering bit of 40w or less with a temperature - factors responsible for an increase in temperature include heat generation attributed to 350c or less within 3.5 seconds for one land. taken into consideration, depending on ambient temperature (ta). 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, 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. data sheet applied to this product instantaneously when the circuit is on or off. 10. heat generation ref.ce-p1724 12/11
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 citizen electronics co.,ltd. japan citiled name CL-L234A-MC18W1-C 5. though citizen electronics works continually to improve products' quality and reliability, in which a malfunction or failure of a product could cause loss of human life, the information contained in this document, or if you have any other inquiries. and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or no infringement. 6. please contact citizen electronics' sales office if you have any questions regarding sale for product, and to the maximum extent allowable by law, citizen electronics rights of citizen electronics or any third party with respect to the information citizen electronics assumes no liability for customers' product design or applications. 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. bodily injury or damage to property, including data loss or corruption. products can malfunction or fail. customers are responsible for complying with safety standards assumes no liability whatsoever, including without limitation, indirect, consequential, special, or incidental damages or loss, including without limitation, loss of profits, loss of opportunities, 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, 4. absent written signed agreement, except as provided in the relevant terms and conditions of 3. citizen electronics has used reasonable care in compiling the information 1. this document is provided for reference purposes only so that citizen electronics' but citizen electronics assumes no liability whatsoever for any damages incurred as a result of errors or omissions in the information included in this document. 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 in this document. 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. 9. precautions with regard to product use data sheet ref.ce-p1724 12/11
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