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data sheet ligitek electronics co.,ltd. property of ligitek only LGFLB-311E1-60 1w power light led doc. no : qw0905- rev a date : 28 - nov. -2011 LGFLB-311E1-60 l dcc
9.2 0.3 page1/13 note:1.all dimension are in millimeter 2.specifications are subject to change without notice 5.8 0.3 14.2 0.3 1.31 0.2 2.4 5.0 0.2 ? 8 0.2 anode(+) cathode(-) 2x1.5 0.2 anode 6 ligitek electronics co.,ltd. property of ligitek only *. more energy efficient than lncandescent and most halogen lamps. *. automotive exterior (stop-tail-tum,chmsl,mirror side repeat). *. mini-accent / uplighters / downlighters / orientation lighting *. sign and channel letter. *. security / garden lighting. *. fiber optic alternative / decorative / entertainment lighting. *. traffic signaling / beacons / rail crossing and wayside lighting. *. cove / undershelf / task lighting. *. decorative. *. commercial and residential architectural lighting. *. superior esd protection.. dimension *. soldering methods: hand soldering or reflow solder. *. instant light(less than 100 ns). *. no uv. *. fully dimmable. *. cool beam, safe to the touch. *. low voltage dc operated.. typical applications *. lcd backlights / light guides. *. portable(flashlight,bicycle). *. reading light (car,bus,aircraft) features *. high flux per led *. very long operating life(up to 100k hours). *. available in white.
absolute maximum ratings at ta=25 ! . luminous flux characteristics at 350ma (ratings at 25 ambient)
3/12 page ligitek electronics co.,ltd. property of ligitek only typ. max. min. emission color radiation pattern . emission angle characteristics at 350ma (ratings at 25 ambient ) resistance junction to board characteristics at 350ma (ratings at 25 ambient ) 475 LGFLB-311E1-60 lambertian ---- 460 blue nm 3.64.0 v blue LGFLB-311E1-60 lambertian 3.0 . dominant wavelength characteristics at 350ma (ratings at 25 ambient ) note : forward voltage is measublue with an accuracy of
group ligitek electronics co.,ltd. property of ligitek only luminous flux(lm) min max f18 f19 13.918.1 18.123.5 brightness code for high power led note : flux is measublue with an accuracy of
4/9 page precautions for use: storage : 1.the operation of temperatures and rh are : 5 ! ~35 ! ,rh60%,after the package is opened, leds should be stored at temperatures less than 30 ! and humidity less than 30%. 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 products 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 ! for 6hrs. 2 11.65 16.65 5.82 note: 1. all dimensions are in mm. 2. the drawings are not to scale. 3. solder pad can't be connected to slug. solder mark solder pad slug independent recommended solder pad design ligitek electronics co.,ltd. property of ligitek only 5/12 page
handling precaution: 5. avoid leaving fingerprints or scratches (by sharp tools) on the silicone resin parts. 6. do not force over 2000gf impact or pressure on the silicone molding lens. 7. the leds should only be picked up by making contact with the sides of the led body. 8. when populating in smt production, the pick-and-place nozzle must not place excessive pressure on the silicone molding lens. 1. for prototype builds or small series production runs it possible to place and solder the emitters by hand. 2. solder tip temperature : 230
7/12 page ligitek electronics co.,ltd. property of ligitek only 0 rth(j-a)=60c/w rth(j-a)=50c/w rth(j-a)=40c/w rth(j-a)=30c/w f o r w a r d c u r r e n t ( m a ) 25 ambient temperature(
8/12 page ligitek electronics co.,ltd. property of ligitek only 0.2 r e l a t i v e l u m i n o u s f l u x ( % ) 0.6 r e l a t i v e f l u x ( % ) 120 100 80 60 40 20 -200 junction temperature(
page9/12 ligitek electronics co.,ltd. property of ligitek only fig.6 directivity radiation fig.5 relative luminous flux vs. wavelength spectral radiance 75%25% 50%0 25%75%100% 50% 100% 30 % -30 % -60 % 60 % 0 % wavelength (nm) r e l a t i v e l u m i n o u s f l u x 400 0.0 550 500 450 0.5 spectral radiance 1.0
10/12 page ligitek electronics co.,ltd. property of ligitek only l 3. 10 inner boxes / carton size : l x w x h 480cm x 240cm x 325cm c/no: made in china l w h i t e m n o . q ' t y : p c s n , w , : k g s g , w , : k g s 2. 20 tubes / inner box (10*2) size : l x w x h 460cm x 110cm x 60cm packing specification 4.76 16.6 0.56 2.2 1. 50pcs / tube anode 9.6 8 420
solder reflow process parameters: 1.reflow soldering of helixeon emitters requires effective control of heating and cooling. both the rate of heating and cooling and the absolute temperatures reached are critical in assuring the formation of a reliable solder joint while avoiding damage to the emitter during the reflow process. the recommended temperature profile of solder reflow process is shown below in the figure. page11/12 1-1. preheat set the temperature rising speed a at a rate of 1~5 ! /s. careful about rapid temperature rise in preheat zone as it may cause excessive slumping of the solder paste.appropriate preheat time b will be from 60 to 120 seconds. if the preheat is insufficient, rather large solder balls tend to be generated. conversely, if performed excessively, fine balls and large balls will generate in clusters at a time.appropriate preheat ending temperature c will be from 180 to 200 ! . if the temperature is too low, non-melting tends to be caused in the area with large heat capacity after reflow. 1-2. heating careful about sudden rise in temperature as it may worsen the slump of solder paste. set the peak temperature d in the range from 220 to 250 ! .adjust the melting time that the time over 220 ! , e, will be from 30 to 60 seconds. 1-3. cooling careful about slow cooling as it may cause the positional shift of parts and decline in joining strength at times. e a reflow soldering should not be done more than two times. b 120 sec.max. preheat 180~200
page12/12 ligitek electronics co.,ltd. property of ligitek only reliability test 1000 hours 120

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