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surface mount led tape and reel ligitek electronics co.,ltd. property of ligitek only pb lead-free parts doc. no : qw0905-lg- 020wk-a09 rev. : a date : 29 - aug. - 2016 LG-020WK-A09 data sheet l dcc
features: 1. side view white led. 2. white smt package. 3. leadframe package with indivi dual 2 pin. 4.wide viewing angle. 5.soldering methods:ir reflow soldering. 6.feature of the device:more light due to higher optical efficiency;extremely wide viewing angle;ideal for backlighting and coupling in light guide. descriptions: the lg-020wk smd has wide viewing angle,low power consumption and white leds are devices which are materialized by combing blue leds and special phos phors.this feature makes the led ideal for light guide application. applications: 1. lcd back light. 2. mobile phones. 3. indicators. 4. switch lights. color device selection guide: ingan material white emitted yellow diffused lens ligitek electronics co.,ltd. property of ligitek only part no. LG-020WK-A09 page 1/13 part no LG-020WK-A09
ligitek electronics co.,ltd. property of ligitek only note : 1.all dimension are in millimeter tolerance is recommended soldering pad dimensions page 2/13 2.1 1.5 0.85 1.5 part no. LG-020WK-A09 2.3 1.9 3.8 3.6 0.7 0.45 0.6 0.63 1.2 0.75 andoe polarity 0.7 0.63 cathode
ligitek electronics co.,ltd. property of ligitek only typical electrical & optical characteristics (ta=25 ) absolute maximum ratings at ta=25 power dissipation forward current electrostatic discharge operating temperature reverse current @5v peak forward current duty 1/10@10khz storage temperature - 40 ~ + 85 t opr tstg - 40 ~ + 100 symbol pd i fp esd ir i f parameter 50 500 30 108 100 ratings ma a v unit mw ma page 3/13 luminous intensity iv if=20ma mcd viewing angle 2 1/2 chromaticity coordinates forward voltage v f x y if=20ma deg if=20ma if=20ma if=20ma v ---- ---- symbol condition max. typ. unit note : 1.the forward voltage data did not including 0.1v testing tolerance. 2.the luminous intensity data did not including 15% testing tolerance. 3.the color coordinates measurememt allowance is 0.01 testing tolerance. items min. ---- ---- 110 part no. LG-020WK-A09 2.8 ---- 3.6 1800 1700 ---- ---- ---- 0.2339 0.2655 0.3029 0.2982
luminous intensity classification ligitek electronics co.,ltd. property of ligitek only page 4/13 iv(mcd) at 20ma bin code min. max. part no. LG-020WK-A09 forward voltage classification bin code vf(v) at 20ma min. max. 1 2.8 2.9 2 2.9 3 333.1 4 3.1 3.2 53.23.3 63.33.4 7 3.4 3.5 83.53.6 w32w33 1700 1800 w34w35 1800 1900 w36w37 1900 2000 x11x12 2000 2100
chromaticity coordinates specifications for bin grading ligitek electronics co.,ltd. property of ligitek only page 5/13 part no. LG-020WK-A09 color coordiante at 20ma x xy bin code 1 xy xy y 3 2 4 g06 0.2655 0.2387 0.2742 0.2339 0.2783 0.2424 0.2696 0.2472 g07 0.2696 0.2472 0.2783 0.2424 0.2824 0.2509 0.2737 0.2557 g08 0.2737 0.2557 0.2824 0.2509 0.2865 0.2594 0.2778 0.2642 g09 0.2778 0.2642 0.2865 0.2594 0.2906 0.2679 0.2819 0.2727 g10 0.2819 0.2727 0.2906 0.2679 0.2947 0.2764 0.286 0.2812 g11 0.286 0.2812 0.2947 0.2764 0.2988 0.2849 0.2901 0.2897 g12 0.2901 0.2897 0.2988 0.2849 0.3029 0.2934 0.2942 0.2982
ligitek electronics co.,ltd. property of ligitek only cie chromaticity diagram page 6/13 part no. LG-020WK-A09 0.23 0.25 0.27 0.29 0.25 0.26 0.27 0.28 0.29 0.30 0.31 g06 g07 g08 g09 g10 g11 g12
1.0 relative intensity normalize @20ma forward current(ma) fig.4 relative intensity vs. temperature ambient temperature( ligitek electronics co.,ltd. property of ligitek only wk chip typical electro-optical characteristics curve 3.0 2.5 2.0 1.5 page 7/13 part no. LG-020WK-A09 forward current(ma) forward voltage(v) fig.1 forward current vs. forward voltage 2.0 100 1.0 0.1 10 1.0 1000 3.0 4.0 5.0 -30 dc forward current [ma] 10 0 20 -20 0 -10 10 40 30 20 50 60 70 90 80 100 ambient temperature ta (
ligitek electronics co.,ltd. property of ligitek only label packing specifications ?
reel dimensions ligitek electronics co.,ltd. property of ligitek only label explanation page 9/13 vf:3-3.1 part : lot : qty(pcs): bin/hue : gs11550168 3000 w32w33/g08 LG-020WK-A09
ligitek electronics co.,ltd. property of ligitek only 1. 4 bag / inner box 2. inner box size : l x w x h 23cm x 8.5cm x 26cm box explanation page 10/13 w h l part no. LG-020WK-A09 3. 10 inner boxes / carton 4. carton size : l x w x h 58cm x 34cm x 35cm l w h
ligitek electronics co.,ltd. property of ligitek only page 11/13 part no. LG-020WK-A09 recommended soldering conditions 1. hand solder basic spec is 280c 3 sec one time only. Q
ligitek electronics co.,ltd. property of ligitek only circuit model b drive method: led is a current operated device, and therefore, requirer some kind of current limiting incorporated into the driver circuit. this current limiting typically takes the form of a current limiting resistor placed in series with the led. consider worst case voltage variations than could occur across the current limiting resistor. the forwrd current should not be allowed to change by more than 40% of its desired value. led (a) recommended circuit. (b) the difference of brightness between led could be found due to the vf-if characteristics of led. esd(electrostatic discharge): static electricity or power surge will damage the led. use of a conductive wrist band or anti-electrosatic glove is recommended when handing these led. all devices, equipment and machinery must be properly grounded. cleaning: use alcohol-based cleaning solvents such as isopropyl alcohol to clean the led. circuit model a led page 12/13 part no. LG-020WK-A09 precautions for use: storage time: 1. calculated shelf life before opening is 12 months at < 30c and < 90% relative humidity (rh) 2. after bag is opened, devices which will be subjected to reflow soldering or other high temperature processes must be a) assemblied within 168 hours in an environment of Q
ligitek electronics co.,ltd. property of ligitek only page 13/13 part no. LG-020WK-A09 environmental test 1.t=260c max. 10sec.max. 2. 6 min ir reflow 1.100c5c ~

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