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1. scope of application these specifications apply to chip type led lamp, model CL-L270-MU1WW1-A1-t. 2. part code series l270 : white led for general lighting. quantity of dies no sign: 1die. special specifications m : general color rendering index typ.85 type. watt class u1 : under 1 watt package. lighting color ww1 : compliance with ansi c78.377-2008, 3-step macadam ellipse, correlated color temperature 3500k. shipping mode non-coded : bulkt : taping (standard) citizen electronics co.,ltd. japan symbol citiled name CL-L270-MU1WW1-A1 t u 1 - w w 1 1 - m - 1 / 12 - a data sheet l 2 7 0 c l ref.ce-p1399 08/11
3. outline drawing unit: mmtolerance: 0.1 4. performance (1) absolute maximum rating *1 *2 *1 forward current : duty Q 1/10, pulse width Q 10 msec *2 d.c. current : t j = ts + r j-s p d pulse current : t j = ts + r j-s p w (power dissipation / one-pulse) duty *ts:temperature of solder terminal(4) (2) electro-optical characteristic (ts=25c) rank information customer: e.g. q 1 b type: CL-L270-MU1WW1-A1 p.no: e.g. q 1 b lot no: xxxxxx q'ty: xxx : ranking by forward voltage : ranking by chromaticity coordinates : ranking by luminous intensity citizen electronics co.,ltd. japan symbol citiled name CL-L270-MU1WW1-A1 luminous flux - 95 16.5 i f =60ma junction-solder v general color rendering index 3.4 80 thermal resistance rj-s i f =60ma 85 12.4 ra 3.1 2.8 v - - lm c/w - 20.6 max. unit min. typ. parameter symbol condition forward voltage v f i f =60ma 120 unit w ma ma ma c c c 100 junction temperature i r t op t st t jmax. i fp 1 -30 ~ +85 -40 ~ +100 forward pulse current reverse current operating temperature storage temperature 80 symbol p d i f 0.28 2 / 12 parameter power dissipation data sheet forward current rating value pass citizen electronics polarity ref.ce-p1399 08/11
chromaticity coordinates (condition : if=60ma , ts=25c) ranking(condition:if=60ma, ts=25c) note 1) the tolerance of forward voltage(v f ) measurement is v f 3% at our tester note 2) the tolerance of luminous intensity(i v ) measurement is 10% at our tester note 3) the tolerance of chromaticity coordinates (x,y)measurement is 0.01 at our tester measurement conditions 1) chip is mounted on board( size 100mm40mm)2) board material is fr-4, covered with green color resist and thickness of copper is 18m. 3.00 v citizen electronics co.,ltd. japan 3.00 3.20 2.80 data sheet max. 3 / 11 min. unit luminous flux v b parameter symbol rank q r forward voltage v f citiled CL-L270-MU1WW1-A1 symbol name 12.4 c 15.1 s 3.20 3.40 d 17.9 15.1 lm 17.9 20.6 reference (ansi c78.377) x y x y 0.4073 0.3917 center 0.4073 0.3917 (3465k) a 0.4299 0.4165 a 0.00951 b 0.3996 0.4015 b 0.00417 c 0.3889 0.3690 ? 52.97 d 0.4147 0.3814 *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 an d the x-axis, and a and b are the major and minor semi-axes of an ellipse. (ref. iec 60081:1997 annexd) ww1 color rank color rank ww1 center oval parameter x-y chart-cie1931 0.36 0.37 0.38 0.39 0.40 0.41 0.42 0.43 0.38 0.39 0.40 0.41 0.42 0.43 0.44 x y color region color region (ansi) b.b. locus 3300k 3900k 3500k 3100k 3700k ref.ce-p1399 08/11
5. characteristic ? forward current vs. relative luminous intensity ? forward current vs. forward voltage ? solder temperature vs. relative luminous intensity ? solder temperature vs. forward voltage ? solder temperature vs. allowable forward current chip on board board size:100mm40mmmaterials:fr-4 thickness of copper:18um citizen electronics co.,ltd. japan data sheet symbol citiled name CL-L270-MU1WW1-A1 4 / 12 0% 25% 50% 75% 100% 125% 150% 0 20 40 60 80 100 i f [ma] relative luminous intensity [a.u.] ts=25c 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 20 40 60 80 100 i f [ma] v f [v] ts=25c 0% 20% 40% 60% 80% 100% 120% 0 20 40 60 80 100 120 ts [c] relative luminous intensity [a.u.] i f =60ma 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 20 40 60 80 100 120 ts [c] v f [v] i f =60ma 0 20 40 60 80 100 0 20 40 60 80 100 120 ts [c] i f [ma] 93 ref.ce-p1399 08/11
5. characteristic (2) ? forward current vs. chromaticity coordinate ? solder temperature vs. chromaticity coordinate directive characteristic citizen electronics co.,ltd. japan 5 / 12 data sheet symbol citiled name CL-L270-MU1WW1-A1 -0.025 -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0.025 0 20 40 60 80 100 i f [ma] ?x?y ts=25c -0.025 -0.020 -0.015 -0.010 -0.005 0.000 0.005 0.010 0.015 0.020 0.025 0 20 40 60 80 100 120 ts [c] ?x?y i f =60ma 0.0 0.2 0.4 0.6 0.8 1.0 80 70 60 50 40 30 20 10 -80 -70 -60 -50 -20 -30 -40 -10 0 0.0 0.2 0.4 0.6 0.8 1.0 80 70 60 50 40 30 20 10 -80 -70 -60 -50 -20 -30 -40 -10 0 ref.ce-p1399 08/11
6.reliability (1) details of the tests (2) judgment criteria of failure for reliability test symbol u means the upper limit of the specified characteristics. s means the initial value. note: measurement shall be taken between 2 hours and 24 hours, having returned the test citizen electronics co.,ltd. japan symbol citiled name CL-L270-MU1WW1-A1 measuring item v f i f =60ma > u1.2 luminous intensity pieces to the normal ambient conditions after the completion of each test. i f =60ma < s0.7 i v 6 / 12 test item test condition ta=25 c, if=60 ma 1000 hours life test in continuous operation data sheet low temperature storage test ta=-40 c 1000 hours ta=-40 c 30 minutes and ta=100 c 30 minutes, 100cycle thermal shock test forward voltage ta=100 c 1000 hours ta=60 c, 90 %rh for 1000 hours high temperature storage test moisture-proof test solder heat resistance test recommended temperature profile (reflow soldering) 2, (2nd test must be started after the samples are stabilized thermally.) measuring conditon judgement criteria for failure ref.ce-p1399 08/11
7. taping specifications (in accordance with jis standard) (1) shape and dimensions of reel (unit: mm) (2) dimensions of tape (unit: mm) (3) configuration of tape (4) quantity: 3000pcs/reel CL-L270-MU1WW1-A1 citizen electronics co.,ltd. japan data sheet 7 / 12 symbol citiled name (end) (start) unloaded tape mounted with citiled more than 40mm leading part more than 400mm 6 0 + 1 0 9 0.3 11.4 1.0 21 0.8 name. qty lot no. 13 0.5 2 0.5 1 8 0 0 - 3 ref.ce-p1399 08/11
8. packing specifications 8-1. moisture-proof packing to prevent moisture absorption during transportation and storage, reels are packed in aluminum envelopes which contain a desiccant with a humidity indicator. 8-2. storage to prevent moisture absorption, it is strongly recommended that reels (in bulk or taped) should be stored in the dry box (or the desiccator) with a desiccant as the appropriate storage place. if not, the following is recommended. temperature: 5 ~ 30 c humidity: 60%rh max the devices should be mounted as soon as possible after unpacking. if you store the unpacked reels, please store them in the dry box or seal them into the envelop again. moisture sensitive level1 (ipc/jedec j-std-020c) citizen electronics co.,ltd. japan 8 / 12 data sheet symbol citiled name CL-L270-MU1WW1-A1 aluminum envelop desiccant label reel polyester zip fastener ref.ce-p1399 08/11
9. precautions 9-1. soldering (1) lead free soldering 1) following soldering paste is recommendedmelting temperature: 216 ~ 220 c. composition: sn / 3.5ag / 0.75cu 2) the temperature profile at the top surface of the parts is recommended as shown below. 3) it is requested that products should be handled after their temperature has dropped down to the normal room temperature 9-2. washing (1) when washing after soldering is needed, following conditions are requested.a) washing solvent: pure water b) temperature, time: 50 c or less 30 seconds max. or 30 c or less 3 minutes max. c) ultrasonic washing: 300w or less 9-3. other directions (1) it is requested to avoid any stress added to the resin portion while it is heated.(2) it is requested to avoid any friction by sharp metal nail etc. to the resin portion. (3) for outdoor use, necessary measures should be taken to prevent water, moisture and salt air damage. this product is not designed with following conditions in mind. in water, oil, medicament, organic solvent and dust-laden environment. citizen electronics co.,ltd. japan 9 / 12 data sheet symbol citiled name CL-L270-MU1WW1-A1 140sec 160 ~ 180 c 4 c /sec. max t em p era tu re time 4 c /sec. max 260 c max 220 c 60 ~ 70sec 3 sec . max ref.ce-p1399 08/11
10. designing precautions (1) the current limiting resistor should be placed in the circuit so that is driven within its rating. also avoid reverse voltage (over-current) applied instantaneously when on or off. (2) when pulse driving current is applied, average current consumption should be within the rating. also avoid reverse voltage applied when put off. (3) recommended soldering pattern unit : mm mountability and solderability need to be optimized with actual conditionssuch as amount of solder, reflow temperature applied in the process. (4) when assembling the circuit board into the finished products, care must be taken to avoid the component parts from touching other parts. (5) when using multiple leds, it is required to connect a current limiting resistor on each path which the current flows to the leds. (ex-1) (ex-2) (ex-3) (6) other1) this product complies with rohs directives. citizen electronics co.,ltd. japan 10 / 12 data sheet symbol citiled name CL-L270-MU1WW1-A1 r r r r r r r ref.ce-p1399 08/11
11. precautions with regard to product use 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 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. 2. all information included in this document such as product data, diagrams, charts, is current as of the date this document is issued. such information, however, is subject to change without any prior notice. before purchasing or using any citizen electronics' products listed 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. 3. citizen electronics has used reasonable care in compiling the information included in this document, 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. 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, business interruption and loss of data, and disclaims any and all express or implied warranties 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. 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 and for providing adequate designs and safeguards to minimize risk and avoid situations 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. 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. citizen electronics assumes no liability for customers' product design or applications. citizen electronics co.,ltd. japan 11 / 12 data sheet symbol citiled name CL-L270-MU1WW1-A1 ref.ce-p1399 08/11
6. 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. 7. 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. citizen electronics co.,ltd. japan data sheet symbol citiled name CL-L270-MU1WW1-A1 12 / 12 ref.ce-p1399 08/11

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