doc. no : qw0905- rev. : date : data sheet round type led lamps ly2640/s70/h-pf ligitek electronics co.,ltd. property of ligitek only ly2640/s70/h-pf 21 - jan. - 2008 a pb lead-free parts
directivity radiation note : 1.all dimension are in millimeter tolerance is 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. package dimensions ligitek electronics co.,ltd. property of ligitek only part no. ly2640/s70/h-pf page 1/5 30 0 60 50%75% 25%0 25% 100% -30 -60 50% 75% 100% 25.0min 1.0min 2.54typ 0.5 typ 3.1 3.3 4.3 1.5max 2.9 + -
note : 1.the forward voltage data did not including 0.1v testing tolerance. 2. the luminous intensity data did not including 15% testing tolerance. absolute maximum ratings at ta=25 i fp pd i f tstg t opr symbol typical electrical & optical characteristics (ta=25 ) power dissipation reverse current @5v storage temperature operating temperature parameter peak forward current duty 1/10@10khz forward current part no. ly2640/s70/h-pf 60 -40 ~ +100 -40 ~ +85 ir10 ratings y 80 20 mw a ma ma unit ligitek electronics co.,ltd. property of ligitek only page2/5 50 viewing angle 2 1/2 (deg) min. 8.0 20 min. 1.7 forward voltage @ ma(v) max. 2.6 peak wave length pnm 585 spectral halfwidth nm 35 typ. luminous intensity @10ma(mcd) 12 emitted yellow part no ly2640/s70/h-pf material gaasp/gap lens color yellow diffused
1000 ligitek electronics co.,ltd. property of ligitek only 3.0 fig.2 relative intensity vs. forward current 1000 100 10 forward current(ma) 2.5 2.0 0.5 1.0 1.5 0.0 1.0 5.0 4.0 3.0 2.0 forward voltage(v) 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 y chip 1000 10 1.0 1.0 0.1 f o r w a r d c u r r e n t ( m a ) 100 typical electro-optical characteristics curve fig.1 forward current vs. forward voltage 3.0 2.0 1.0 1.5 2.5 fig.4 relative intensity vs. temperature 100 40 20 06080 0.0 100-40 020406080 ambient temperature( ) -20 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 0.5 1.2 1.1 0.9 1.0 0.8 -40-20 1.0 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.3 forward voltage vs. temperature fig.5 relative intensity vs. wavelength ambient temperature( ) 900 800 700 wavelength (nm) 0.5 0.0 600 r e l a t i v e i n t e n s i t y @ 2 0 m a part no. ly2640/s70/h-pf page 3/5
60 seconds max page 4/5 ligitek electronics co.,ltd. property of ligitek only 2.wave soldering profile 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 body) 5 /sec max 260 c3sec max temp( c) 260 150 100 time(sec) 50 2 /sec max 25 0 0 preheat 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. 120 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 body) part no. ly2640/s70/h-pf
5/5 page reference standard mil-std-883:1008 jis c 7021: b-10 jis c 7021: b-12 mil-std-750: 1026 mil-std-883: 1005 jis c 7021: b-1 test item operating life test test condition reliability test: high temperature storage test 1.ta=105 5 2.t=1000 hrs (-24hrs, +72hrs) low temperature storage test 1.ta=-40 5 2.t=1000 hrs (-24hrs, +72hrs) 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, +72hrs) ligitek electronics co.,ltd. property of ligitek only 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. description mil-std-202: 210a mil-std-750: 2031 jis c 7021: a-1 mil-std-202: 107d mil-std-750: 1051 mil-std-883: 1011 mil-std-202: 208d mil-std-750: 2026 mil-std-883: 2003 jis c 7021: a-2 thermal shock test solder resistance test 1.t.sol=260 5 2.dwell time= 10 1sec. 1.ta=105 5 &-40 5 (10min) (10min) 2.total 10 cycles solderability test 1.t.sol=230 5 2.dwell time=5 1sec this test intended to see soldering well performed or not. 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. the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. mil-std-202:103b jis c 7021: b-11 high temperature high humidity test 1.ta=65 5 2.rh=90%~95% 3.t=240hrs 2hrs the purpose of this test is the resistance of the device under tropical for hours. part no. ly2640/s70/h-pf
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