doc. no : qw0905-la38b-70/y-1-pf rev : a date : 29 - dec. - 2008 data sheet led array la38b-70/y-1-pf lead-free parts pb ligitek electronics co.,ltd. property of ligitek only
2.54typ ? 0.5 typ note : 1.all dimension are in millimeter tolerance is 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. l8y2040/f32-pf 14.5 0.5 2.54typ + - ? 0.5 typ 4.0 3.0 5.2 4.2 1.5max + - package dimensions la38b-70/y-1-pf part no. 11.0 3.5 0.5 4.0 5.2 4.2 ligitek electronics co.,ltd. property of ligitek only page1/5
gaasp/gap ! -40 ~ +100 tstg storage temperature note : 1.the forward voltage data did not including 0.1v testing tolerance. 2. the luminous intensity data did not including 15% testing tolerance. yelllow diffused typical electrical & optical characteristics (ta=25 ! ) la38b-70/y-1-pf emitted yellow material part no forward voltage @ ma(v) luminous intensity @10ma(mcd) spectral halfwidth "# nm viewing angle 2 $ 1/2 (deg) color peak wave length # pnm lens 58535 typ. min. typ. min. 2.1 1.78.02036 10 absolute maximum ratings at ta=25 ! reverse current @5v operating temperature power dissipation peak forward current duty 1/10@10khz forward current parameter -40 ~ +85 t opr ir10 ! % a pd 50 i fp 50 mw ma ratings 8y i f 15 symbol ma unit part no. la38b-70/y-1-pf ligitek electronics co.,ltd. property of ligitek only page2/5
fig.3 forward voltage vs. temperature fig.5 relative intensity vs. wavelength ambient temperature( ) r e l a t i v e i n t e n s i t y @ 2 0 m a wavelength (nm) f o r w a r d v o l t a g e @ 2 0 m a n o r m a l i z e @ 2 5 fig.4 relative intensity vs. temperature ambient temperature( ) r e l a t i v e i n t e n s i t y @ 2 0 m a n o r m a l i z e @ 2 5 typical electro-optical characteristics curve forward voltage(v) fig.1 forward current vs. forward voltage f o r w a r d c u r r e n t ( m a ) forward current(ma) fig.2 relative intensity vs. forward current r e l a t i v e i n t e n s i t y n o r m a l i z e @ 2 0 m a ligitek electronics co.,ltd. property of ligitek only 500550600650 0.0 0.5 1.0 700 8y chip page 3/5 50% -60 100%75% -30 50% 025% 25%100% 75% -60 0 30 part no. la38b-70/y-1-pf
dip soldering preheat: 120 c max preheat time: 60seconds max ramp-up 2 c/sec(max) ramp-down:-5 c/sec(max) solder bath:260 c max dipping time:3 seconds max distance:2mm min(from solder joint to case) 120 note: 1.wave solder should not be made more than one time. 2.you can just only select one of the soldering conditions as above. 60 seconds max preheat 25 0 0 2 /sec max 50 100 time(sec) 150 260 c3sec max 5 /sec max 260 temp( c) page 4/5 soldering condition(pb-free) 1.iron: soldering iron:30w max temperature 350 c max soldering time:3 seconds max(one time only) distance:2mm min(from solder joint to case) 2.wave soldering profile ligitek electronics co.,ltd. property of ligitek only la38b-70/y-1-pf part no.
this test intended to determine the thermal characteristic resistance of the device to sudden exposures at extreme changes in temperature when soldering the lead wire. this test intended to see soldering well performed or not. the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. the purpose of this test is the resistance of the device under tropical for hours. 1.t.sol=260 5 2.dwell time= 10 1sec. solder resistance test solderability test 1.t.sol=230 5 2.dwell time=5 1sec thermal shock test high temperature high humidity test 1.ta=105 5 &-40 5 (10min) (10min) 2.total 10 cycles 1.ta=65 5 2.rh=90%~95% 3.t=240hrs 2hrs mil-std-202: 210a mil-std-750: 2031 jis c 7021: a-1 mil-std-202: 208d mil-std-750: 2026 mil-std-883: 2003 jis c 7021: a-2 mil-std-202: 107d mil-std-750: 1051 mil-std-883: 1011 mil-std-202:103b jis c 7021: b-11 this test is conducted for the purpose of detemining the resistance of a part in electrical and themal stressed. the purpose of this is the resistance of the device which is laid under condition of high temperature for hours. the purpose of this is the resistance of the device which is laid under condition of low temperature for hours. ligitek electronics co.,ltd. property of ligitek only la38b-70/y-1-pf part no. 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, +72hrs) high temperature storage test low temperature storage test operating life test 1.ta=105 5 2.t=1000 hrs (-24hrs, +72hrs) 1.ta=-40 5 2.t=1000 hrs (-24hrs, +72hrs) reliability test: test condition test item description 5/5 page mil-std-750: 1026 mil-std-883: 1005 jis c 7021: b-1 mil-std-883:1008 jis c 7021: b-10 jis c 7021: b-12 reference standard
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