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doc. no : qw0905-LDBK9553-4-LS rev. : a date : 07 - sep. - 2012 data sheet surface mount le d tape and reel LDBK9553-4-LS lead-free parts ligitek electronics co.,ltd. property of ligitek only pb l dcc
features: 1. top view led. 2. white smt package. 3. leadframe package with individual 4 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 backli ghting and coupling in light guide. descriptions: the ldbk9553-4 smd has wide viewing angle and optimized light coupling by inter reflector,the low current requirem ent makes this device ideal for portable equipment or any other application where power is at a premium. color ! ligitek electronics co.,ltd. property of ligitek only LDBK9553-4-LS device selection guide: part no material emitted water clear lens page 1/11 applications 1.traffic lights 2.backlighting(lcd,switches,keys,displays,illuminated advertising) 3.interior and exterior automotive light ing(e.g.dashboard backlighting,turn signal lamps,sidemarkers,brake lights) 4.substitution of micro incandescent lamps 5.marker lights(e.g.exit ways,etc.) 6.signal and symbol luminaire part no. LDBK9553-4-LS ingan blue
recommended soldering pad dimensions note : the tolerances unless mentioned is 0.1mm,angle 0.5. unit=mm. note : 1.all dimension are in millimeter tolerance is 0.2mm unless otherwise noted. 2.specifications are subject to change without notice. package dimensions ! ligitek electronics co.,ltd. property of ligitek only page 2/11 0.4 1.1 1.1 1.5 1.5 4.5 3 - 4 - + 2 - 1 part no. LDBK9553-4-LS 3.5 3.2 2.2 1 4 2.8 2 3 1.95 0.9 0.9 soldering terminal 0.7 0.7 1 4 2.4 3.45 1.5
note : 1.the forward voltage data did not including 0.1v testing tolerance. 2.the luminous intensity data did not including 15% testing tolerance. 3.6 ---- ---- ---- ---- typical electrical & opti cal characteristics (ta=25 ) max. spectral line half-width luminous intensity dominant wavelength items viewing angle forward voltage 1250 800 iv 2 1/2 d v f 30 ---- 2.8 ---- 60 ---- ---- 470 symbol min. typ. if=30ma mcd nm deg v nm condition unit ! ligitek electronics co.,ltd. property of ligitek only ratings parameter symbol absolute maximum ratings at ta=25 a v ma ma mw unit page 3/11 if=30ma if=30ma if=30ma if=30ma part no. LDBK9553-4-LS - 20 ~ + 80 - 30 ~ + 100 storage temperature reverse current @5v operating temperature electrostatic discharge peak forward current duty 1/11@10khz power dissipation forward current t opr tstg esd ir i fp pd i f 50 500 30 120 100
d(nm) at30ma dominant wavelenght classification iv(mcd) at 30ma ! ligitek electronics co.,ltd. property of ligitek only bin code min. luminous intensity classification max. page 4/11 part no. LDBK9553-4-LS bin code min. max. forward voltage classification vf(v) at 30ma min. 4 2 3 1 3.4 3.2 3.0 bin code max. 3.2 3.6 3.4 3.0 2.8 0d 0c 0b 471 468 465 468 471 474 0a 474 477 1a 477 480 v-1 800 1000 v-2 1000 1250 w-1 1250 1600 w-2 1600 2000 x-1 2000 2550 x-2 2550 3200
typical electro- optical characteristics curve ! ligitek electronics co.,ltd. property of ligitek only page 5/11 part no. LDBK9553-4-LS typical electro- optical characteristics curve fig.6 directive radiation 0 0 25% 75% 100% 50% -60 -30 100% 75% 25% 50% 60 30 fig.5 relative intensity vs. wavelength 1.0 3.0 4.0 0 1 1.0 relative intensity@20ma wavelength (nm) 450 0.0 400 500 550 0.5 0.5 relative intensity@20ma normalize @25 forward voltage@20ma normalize @25 20 ambient temperature( ) ambient temperature( ) 0 -20 -40 0.8 0 -40 -20 100 80 60 40 20 0.0 60 100 80 40 fig.4 relative intensity vs. temperature 2.5 1.0 0.9 1.1 1.5 1.0 2.0 fig.3 forward voltage vs. temperature 1.2 3.0 relative intensity normalize @20ma forward current(ma) forward current(ma) forward voltage(v) 2.0 5.0 1 10 0.0 0.5 1.0 1.5 2.0 100 1000 fig.2 relative intensity vs. forward current fig.1 forward current vs. forward voltage 2.5 3.0 1 10 100 1000 dbk chip
aluminum moist-proof bag ! ligitek electronics co.,ltd. property of ligitek only packing specifications ? LDBK9553-4-LS part no. 12.0mm tape,7"reel description 0.4 0.6 0.8 0.2 0.8 0.6 0.4 0.2 label note : the tolerances unless mentioned is 0.1mm,unit=mm. carrier type dimensions 1000 pcs quantity/reel label page 6/11 part no. LDBK9553-4-LS 3.35 3.8 2.0 8.0 4.0 3.12 5.5 1.75 1.55 9.3 12.00.3
bin : luminous intensity ! ligitek electronics co.,ltd. property of ligitek only 16.01.0 60.01.0 13.01.0 13.51.0 1781.5 2.00.5 0.8 0.6 0.4 0.2 reel dimensions 0.2 0.4 0.6 0.8 ! mecl: 664.5.mt ligitek electronics co., ltd. !cjo0ivf!; !ruz)qdt*; ! w.20pc ! 611 !mpu!; !qbsu!; ! ht2.181322 pb label explanation page 7/11 part no. LDBK9553-4-LS hue : dominant wavelength ! wg;3/9.4/1 vf : forward voltage
box explanation ! ligitek electronics co.,ltd. property of ligitek only page 8/11 3. 10 inner boxes / carton 4. carton size : l x w x h 58cm x 34cm x 35cm w l h 1. 4 bag / inner box 2. inner box size : l x w x h 23cm x 8.5cm x 26cm l h w part no. LDBK9553-4-LS
2.when soldering,do not put stress on the leds during heating. 1.reflow soldering should not be done more than two times. 3.after soldering,do not warp the circuit board. note: above 220c 60 sec.max. 120 ~ 180 sec 3 pb-free reflow solder preheat 180~200c 120 sec.max. 1~5c/sec 1~5c/sec 1. hand solder basic spec is Q 320 3 sec one time only. 120 ~ 150 2. wave solder preheat soldering heat max. 260 260c max. 10sec.max 6c/sec 245 5 within 5 sec ! ligitek electronics co.,ltd. property of ligitek only recommended soldering conditions page 9/11 part no. LDBK9553-4-LS
precautions for use: storage time: 1.the operation of temperatures and rh are : 5 ~35 ,rh60%. 2.once the package is opened, the products should be used within a week. otherwise, they should be kept in a damp proof box with descanting agent. considering the tape life, we suggest our customers to use our products within a year(from production date). 3.if opened more than one week in an atmosphere 5 ~ 35 ,rh60%, they should be treated at 60 5 fo r 15hrs. cleaning: use alcohol-based cleaning solvents such as isopropyl alcohol to clean the led. esd(electrostatic discharge): static electricity or power surge will damage the le d. use of a conductive wrist band or anti-electrosatic glove is recommended when handing these led. al l devices, equipment and machinery must be properly grounded. (a) recommended circuit. (b) the difference of brightness between led could be found due to the vf-if characteristics of led. drive method: led is a current operated device, and therefore, requ irer some kind of current limiting incorporated into the driver circuit. this current limiting typically take s the form of a current limi ting 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. circuit model a led led circuit model b ! ligitek electronics co.,ltd. property of ligitek only page 10/11 part no. LDBK9553-4-LS
(1)test items and results reliability test: 1.ir-reflow in-board, 2 times 1.ir-reflow in-board,2 times 1.ta=under room temperature as per data sheet maximum rating. 2.if=30ma 3.t=1000 hrs test condition 1.u.s.l.:upper standard level. 2.l.s.l.:lower standard level. note: thermal shock test -40 5 (2)criteria for judging the damage environmental test temperature cycling reflow soldering test 1 cyeles 25 0 30mins ~ 2.10 1.105 5mins 30mins ~ - 40 1.t.sol=260 5 2.dwell time= 10max. min) ( cycles 3.total 30 ( 100 min) 30 endurance test classification high temperature high humidity storage test low temperature storage test %~95 hrs 500 3.rh=90 8 2.ta=105 4.t= 2.ta= 5 % 2hrs & 5 5 1.ta=-40 5 2.t=1000 hrs operating life test high temperature storage test test item hrs 500 1.ta=105 2.t= 5 22 22 22 22 22 22 22 sample size ! ligitek electronics co.,ltd. property of ligitek only page 11/11 criteria for judgement luminous intensity reverse current forward voltage vr=5v if=30ma if=30ma test conditions vf iv ir item symbol - l.s.l x 0.5 - min. u.s.l x1.2 - u.s.l x2.0 max. part no. LDBK9553-4-LS

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