doc. no : qw0905-LH22440 rev. : a date : 06 - apr - 2005 data sheet LH22440 round type led lamps ligitek electronics co.,ltd. property of ligitek only
directivity radiation note : 1.all dimension are in millimeter tolerance is ? 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. part no. LH22440 page 1/4 package dimensions ligitek electronics co.,ltd. property of ligitek only 5.28 1.0min 25.0min ?? 0.5 typ 2.54typ 1.5max 0.5 4.28 3.55 3.85 3.1 100% 75% 50% -60 x -30 x 0 25% 50% 75% 100% 25% 30 x 0 x 60 x
697 ligitek electronics co.,ltd. property of ligitek only absolute maximum ratings at ta=25 j peak wave length f pnm typical electrical & optical characteristics (ta=25 j ) note : 1.the forward voltage data did not including ? 0.1v testing tolerance. 2. the luminous intensity data did not including ? 15% testing tolerance. tstg storage temperature part no material LH22440 emitted gap red red diffused lens color soldering temperature tsol part no. LH22440 i f forward current operating temperature reverse current @5v power dissipation peak forward current duty 1/10@10khz t opr ir pd i fp parameter symbol -40 ~ +100 luminous intensity @10ma(mcd) viewing angle 2 c 1/2 (deg) forward voltage @20ma(v) spectral halfwidth ??f nm 90 2.6 1.7 min. max. 4.0 1.8 44 min. typ. max 260 j for 5 sec max (2mm from body) j page 2/4 15 ma -40 ~ +85 10 j g a 40 60 ma mw h ratings unit
relative intensity@20ma 600 0.0 0.5 wavelength (nm) 700 800 900 ambient temperature( j ) fig.5 relative intensity vs. wavelength fig.3 forward voltage vs. temperature forward voltage@20ma normalize @25 j 1.0 -20 -40 0.8 1.0 0.9 1.1 1.2 0.5 relative intensity@20ma normalize @25 j -20 ambient temperature( j ) 80 60 40 20 0-40 100 0.0 80 60 02040 100 fig.4 relative intensity vs. temperature 2.5 1.5 1.0 2.0 3.0 fig.1 forward current vs. forward voltage typical electro-optical characteristics curve 100 forward current(ma) 0.1 1.0 1.0 10 1000 h chip relative intensity normalize @20ma forward voltage(v) 2.0 3.0 4.0 5.0 1.0 0.0 1.5 1.0 0.5 2.0 2.5 forward current(ma) 10 100 1000 fig.2 relative intensity vs. forward current 3.0 ligitek electronics co.,ltd. property of ligitek only 1000 3/4 part no. LH22440 page
mil-std-202:103b jis c 7021: b-11 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 mil-std-202: 107d mil-std-750: 1051 mil-std-883: 1011 1.t.sol=260 j? 5 j 2.dwell time= 10 ? 1sec. 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. solderability test 1.t.sol=230 j? 5 j 2.dwell time=5 ? 1sec this test intended to see soldering well performed or not. 1.ta=105 j? 5 j &-40 j? 5 j (10min) (10min) 2.total 10 cycles solder resistance test thermal shock test high temperature high humidity test 1.ta=65 j? 5 j 2.rh=90 %~95 % 3.t=240hrs ? 2hrs 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 hous. part no. LH22440 reliability test: page 4/4 reference standard mil-std-750: 1026 mil-std-883: 1005 jis c 7021: b-1 jis c 7021: b-12 mil-std-883:1008 jis c 7021: b-10 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, + 72hrs) this test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. low temperature storage test 1.ta=-40 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) high temperature storage test operating life test 1.ta=105 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) the purpose of this is the resistance of the device which is laid under ondition of hogh temperature for hours. the purpose of this is the resistance of the device which is laid under condition of low temperature for hours. test item test condition description ligitek electronics co.,ltd. property of ligitek only
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