doc. no : qw0905-la140b/a-pf rev. : a date : 23 - oct.- 2005 led array data sheet la140b/a-pf lead-free parts pb ligitek electronics co.,ltd. property of ligitek only
ligitek electronics co.,ltd. property of ligitek only part no. la140b/a-pf package dimensions note : 1.all dimension are in millimeter tolerance is 0.25mm unless otherwise noted. 2.specifications are subject to change without not ice. la2640-1-pf 25.0min 1.0min 2.54typ + - 0.5 typ 3.3 4.3 1.5max 2.9 3.1 page 1/5 + - 3.2 3.5 6.0 3.5 0.5 2.54typ 0.5 typ 4.25 0.5 2.3 0.5 4.5 6.0
ligitek electronics co.,ltd. property of ligitek only typical electrical & optical characteristics (ta=25 ) note : 1.the forward voltage data did not including 0.1v testing tolerance. 2. the luminous intensity data did not including 15% testing tolerance. orange diffused lens la140b/a-pf yellow emitted gaasp/gap part nomaterial color viewing angle 2 1/2 (deg) spectral halfwidth nm dominant wave length dnm min. 59235 1.7 typ. 2.68.0 max.min. 50 12 forward voltage @20ma(v) luminous intensity @10ma(mcd) mw 60 pd power dissipation tstg t opr reverse current @5v storage temperature operating temperature ir -40 ~ +100 -40 ~ +85 10 a absolute maximum ratings at ta=25 symbol forward current peak forward current duty 1/10@10khz parameter i f i fp part no. la140b/a-pf ratings 20 80 a ma ma unit page 2/5
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 1.0 0.1 1.0 10 100 1000 1.0101001000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40-200204060 1.0 1.1 1.2 500550600650 0.0 0.5 1.0 2.03.04.05.0 80100 0.8 0.9 -20 -40 40 20 080100 60 2.0 0.0 0.5 1.0 1.5 2.5 3.0 700 y-a chip part no. la140b/a-pfpage 3/5
ligitek electronics co.,ltd. property of ligitek only 60 seconds max 25 0 0 120 2 /sec max preheat 50 260 temp( c) time(sec) 100 150 260 c3sec max 5 /sec max soldering condition(pb-free) 1.iron: soldering iron:30w max temperature 350 c max soldering time:3 seconds max(one time) distance:2mm min(from solder joint to case) 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) 2.wave soldering profile part no. la140b/a-pf page 4/5
ligitek electronics co.,ltd. property of ligitek only the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. 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 test is the resistance of the device under tropical for hous. the purpose of this is the resistance of the device which is laid under condition of low temperature for hours. the purpose of this is the resistance of the device which is laid under ondition of high temperature for hours. this test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. description 1.t.sol=230 5 2.dwell time=5 1sec solderability test high temperature storage test 1.ta=105 5 2.t=1000 hrs (-24hrs, +72hrs) 1.ta=65 5 2.rh=90%~95% 3.t=240hrs 2hrs 1.ta=105 5 &-40 5 (10min) (10min) 2.total 10 cycles 1.t.sol=260 5 2.dwell time= 10 1sec. solder resistance test thermal shock test 1.ta=-40 5 2.t=1000 hrs (-24hrs, +72hrs) low temperature storage test high temperature high humidity test 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, +72hrs) operating life test test itemtest condition reliability test: part no. la140b/a-pf mil-std-202: 208d mil-std-750: 2026 mil-std-883: 2003 jis c 7021: a-2 mil-std-883:1008 jis c 7021: b-10 mil-std-202: 107d mil-std-750: 1051 mil-std-883: 1011 mil-std-202: 210a mil-std-750: 2031 jis c 7021: a-1 mil-std-202:103b jis c 7021: b-11 jis c 7021: b-12 mil-std-750: 1026 mil-std-883: 1005 jis c 7021: b-1 reference standard page 5/5
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