LH25820 doc. no : qw0905- rev. : date : 10 - jan - 2005 b data sheet LH25820 rectangle type led lamps
note : 1.all dimension are in millimeter tolerance is ? 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. ligitek electronics co.,ltd. property of ligitek only directivity radiation package dimensions part no. LH25820 page 1/4 -60 x 25% 50% 75% 100% 25% 0 100% 50% 75% -30 x 30 x 60 x 0 x 12.5min ?? 0.5 typ 2.3typ 1.0min + - 8.0 1.5max 5.0 2.8
-40 ~ +100 tstg storage temperature forward voltage @ ma(v) luminous intensity @10ma(mcd) 20 spectral halfwidth ??f nm viewing angle 2 c 1/2 (deg) material peak wave length f pnm part no note : 1.the forward voltage data did not including ? 0.1v testing tolerance. 2. the luminous intensity data did not including ? 15% testing tolerance. gap LH25820 0.6 typ. 697 red red diffused 0.25 2.6 1.7 90 emitted lens min. max. min. 160 soldering temperature typical electrical & optical characteristics (ta=25 j ) color tsol max 260 j for 5 sec max (2mm from body) j page 2/4 part no. reverse current @5v operating temperature peak forward current duty 1/10@10khz absolute maximum ratings at ta=25 j forward current power dissipation parameter 15 ma i f t opr ir -40 ~ +85 10 pd i fp 40 60 j g a ma mw symbol h ratings unit ligitek electronics co.,ltd. property of ligitek only LH25820
1.5 relative intensity@20ma normalize @25 j forward voltage@20ma normalize @25 j ambient temperature( j ) 1000 900 800 700 600 wavelength (nm) fig.5 relative intensity vs. wavelength ambient temperature( j ) relative intensity@20ma 0.0 0.5 1.0 0.8 -40 0.9 -20 0 20 40 60 80 100 -40 0.0 1.0 0.5 -20 80 40 20 060100 ligitek electronics co.,ltd. property of ligitek only fig.2 relative intensity vs. forward current forward current(ma) fig.4 relative intensity vs. temperature forward voltage(v) fig.3 forward voltage vs. temperature 1.1 1.0 1.2 forward current(ma) 0.1 1.0 1.0 100 10 1000 2.0 3.0 2.0 3.0 2.5 relative intensity normalize @20ma 4.0 5.0 1.0 0.0 0.5 1.0 2.0 1.5 3.0 2.5 typical electro-optical characteristics curve fig.1 forward current vs. forward voltage h chip part no. 10 100 1000 page 3/4 LH25820
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. 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. this test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. 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. ligitek electronics co.,ltd. property of ligitek only 1.ta=105 j? 5 j &-40 j? 5 j (10min) (10min) 2.total 10 cycles solderability test solder resistance test 1.t.sol=230 j? 5 j 2.dwell time=5 ? 1sec 1.t.sol=260 j? 5 j 2.dwell time= 10 ? 1sec. high temperature high humidity test thermal shock test low temperature storage test 1.ta=65 j? 5 j 2.rh=90 %~95% 3.t=240hrs ? 2hrs 1.ta=-40 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) operating life test high temperature storage test 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, + 72hrs) 1.ta=105 j? 5 j 2.t=1000 hrs (-24hrs, + 72hrs) test condition test item description reliability test: part no. 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 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 mil-std-883:1008 jis c 7021: b-10 reference standard 4/4 page LH25820
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