doc. no : qw0905-LY22440 rev. : a date : 06 - apr - 2005 round type led lamps data sheet LY22440 ligitek electronics co.,ltd. property of ligitek only
60 x 100% 100% 75% 50% 0 25% 25% 75% 50% note : 1.all dimension are in millimeter tolerance is ? 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. -60 x directivity radiation -30 x 0 x 30 x ligitek electronics co.,ltd. property of ligitek only 1.5max ?? 0.5 typ 25.0min 1.0min 2.54typ 3.85 5.28 4.28 0.5 3.1 3.55 package dimensions part no. LY22440 page 1/4
ratings -40 ~ +85 max 260 j for 5 sec max (2mm from body) spectral halfwidth ??f nm -40 ~ +100 note : 1.the forward voltage data did not including ? 0.1v testing tolerance. 2. the luminous intensity data did not including ? 15% testing tolerance. typical electrical & optical characteristics (ta=25 j ) ligitek electronics co.,ltd. property of ligitek only part no LY22440 color yellow diffused gaasp/gap yellow material emitted 585 35 lens peak wave length f pnm parameter peak forward current duty 1/10@10khz power dissipation reverse current @5v operating temperature forward current soldering temperature storage temperature tstg tsol t opr ir symbol i f pd i fp part no. LY22440 absolute maximum ratings at ta=25 j 2.6 1.7 12 25 max. forward voltage @20ma(v) min. luminous intensity @10ma(mcd) min. typ. 44 viewing angle 2 c 1/2 (deg) 10 j j g a unit 20 60 80 y ma ma mw page 2/4
fig.3 forward voltage vs. temperature fig.5 relative intensity vs. wavelength ambient temperature( j ) relative intensity@20ma wavelength (nm) forward voltage@20ma normalize @25 j fig.4 relative intensity vs. temperature ambient temperature( j ) relative intensity@20ma normalize @25 j typical electro-optical characteristics curve forward voltage(v) fig.1 forward current vs. forward voltage forward current(ma) forward current(ma) fig.2 relative intensity vs. forward current relative intensity normalize @20ma ligitek electronics co.,ltd. property of ligitek only 1.0 0.1 1.0 10 100 1000 1.0 10 100 1000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 -20 0 20 40 60 1.0 1.1 1.2 500 550 600 650 0.0 0.5 1.0 2.0 3.0 4.0 5.0 80 100 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 chip part no. LY22440 page3/4
1.ta=105 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) 1.ta=-40 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, + 72hrs) 1.ta=65 j? 5 j 2.rh=90 %~95 % 3.t=240hrs ? 2hrs 1.ta=105 j? 5 j &-40 j? 5 j (10min) (10min) 2.total 10 cycles 1.t.sol=230 j? 5 j 2.dwell time=5 ? 1sec 1.t.sol=260 j? 5 j 2.dwell time= 10 ? 1sec. solderability test solder resistance test reliability test: high temperature high humidity test thermal shock test low temperature storage test operating life test high temperature storage test test item part no. LY22440 the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. mil-std-202: 107d mil-std-750: 1051 mil-std-883: 1011 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. mil-std-202: 208d mil-std-750: 2026 mil-std-883: 2003 jis c 7021: a-2 mil-std-202: 210a mil-std-750: 2031 jis c 7021: a-1 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 hogh temperature for hours. this test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. the purpose of this test is the resistance of the device under tropical for hous. test condition description 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 mil-std-883:1008 jis c 7021: b-10 reference standard ligitek electronics co.,ltd. property of ligitek only page 4/4
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