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surface mount led tape and reel ligitek electronics co.,ltd. property of ligitek only pb lead-free parts doc. no : qw0905-79-LWKG9S53-HS-T60-A03 rev. : a date : 30 - arp. - 2014 79-LWKG9S53-HS-T60-A03 data sheet l dcc
features: 1. top view white led. 2. white smt package. 3. leadframe package with individual 2 pin. 4.wide viewing angle. 5.soldering methods:ir reflow soldering. 6.feature of the device:more light du e to higher optica l efficiency;extremely wide viewing angle;ideal for backlighting and coupling in light guide. descriptions: the lwk9s53 smd has wide viewing an gle,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 pink emitted yellow diffused lens ligitek electronics co.,ltd. property of ligitek only part no. 79-LWKG9S53-HS-T60-A03 page 1/13 part no 79-LWKG9S53-HS-T60-A03
ligitek electronics co.,ltd. property of ligitek only note : 1.all dimension are in millimeter tolerance is recommended soldering pad dimensions page 2/13 part no. 79-LWKG9S53-HS-T60-A03 andoe cathode polarity 3.0 0.75 0.8 0.75 1.4 2.0 2.0 2.7 0.8 0.25 1.15 1.15 0.82 2.45 3.4 0.14 0.14 1.83 cathode mark
ligitek electronics co.,ltd. property of ligitek only typical electrical & optical characteristics (ta=25 unit mw ma led junction temperature tj
luminous intensity classification ligitek electronics co.,ltd. property of ligitek only page 4/13 forward voltage classification vf(v) at60ma min. bin code max. part no. 79-LWKG9S53-HS-T60-A03 iv(lm) at60ma bin code min. max. 1 2.8 2.9 2 2.9 3.0 33.0 3.1 43.1 3.2 53.2 3.3 63.3 3.4 7 3.4 3.5 83.5 3.6 93.63.7 f2d 2 4 f4d 4 6 f6d 6 8 f8d 8 10 f10d 10 12
chromaticity coordinates specifications for bin grading ligitek electronics co.,ltd. property of ligitek only page 5/13 part no. 79-LWKG9S53-HS-T60-A03 x color coordiante at 60ma bin code yx 1 yx 2 yx 3 4 y pt-a1 0.4572 0.3678 0.4963 0.3678 0.4868 0.3542 0.4478 0.3542 pt-b1 0.4478 0.3542 0.4868 0.3542 0.4774 0.3407 0.4384 0.3407 pt-c1 0.4384 0.3407 0.4774 0.3407 0.4679 0.3271 0.429 0.3271
ligitek electronics co.,ltd. property of ligitek only cie chromaticity diagram page 6/13 part no. 79-LWKG9S53-HS-T60-A03 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.41 0.43 0.45 0.47 0.49 0.51 pt-a1 pt-b1 pt-c1
ligitek electronics co.,ltd. property of ligitek only typical electro-optical characteristics curve page 7/13 part no. 79-LWKG9S53-HS-T60-A03 0 10 20 30 40 50 60 70 2.7 2.8 2.9 3 3.1 3.2 3.3 intensity wavelength (nm) spectral radiance fig.5 luminous spectrum(ta=25 ) fig.3 directivity radiation -30 75% 100% -60 100% 50% 75% 25% 0 50% 25% 0 60 30 forward current(ma) forward voltage(v) fig.2 forward current vs.luminous intensity relative luminous intensity(%) forward current(ma) 0 0.2 0.4 0.6 0.8 1 1.2 0 10203040506070 fig.1 forward current vs. forward voltage 0% 20% 40% 60% 80% 100% 120% 300 400 500 600 700 800 900
ligitek electronics co.,ltd. property of ligitek only label packing specifications ?
reel dimensions ligitek electronics co.,ltd. property of ligitek only label expl anation page 9/13 vf:3-3.1 part : lot : qty(pcs): bin/hue : gs11410168 2000 f4d/pt-a1 79-LWKG9S53-HS-T60-A03
ligitek electronics co.,ltd. property of ligitek only 1. 5 bag / inner box 2. inner box size : l x w x h 23cm x 8.5cm x 26cm box explanation page 10/13 3. 10 inner boxes / carton 4. carton size : l x w x h 58cm x 34cm x 35cm w l h part no. 79-LWKG9S53-HS-T60-A03 l h w
3.after soldering,do not warp the circuit board. note: 1.reflow soldering should not be done more than two times. 2.when soldering,do not put stress on the leds during heating. ligitek electronics co.,ltd. property of ligitek only page 11/13 120 sec.max. preheat 180~200c 2 pb-free reflow solder 1~5c/sec 260c max. 10sec.max above 220c 60 sec.max. 1~5c/sec 1. hand solder basic spec is Q 320c 3 sec one time only. recommended soldering conditions 6c/sec part no. 79-LWKG9S53-HS-T60-A03
ligitek electronics co.,ltd. property of ligitek only circuit model b drive method: led is a current operated device, and therefore, requir er 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 precautions for use: storage time: 1.the operation of temperatures and rh are : 5
1.ta=-40 ligitek electronics co.,ltd. property of ligitek only (1)test items and results reliability test: classification endurance test 1.ta=under room temperature as per data sheet maximum rating. 2.if=60ma 3.t=1000 hrs high temperature storage test low temperature storage test test item operating life test test condition 22 22 sample size 22 page 13/13 1.105 ~

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