rectangle type led lamps a - 2005 06 - dec. LA55141 ligitek electronics co.,ltd. property of ligitek only LA55141 data sheet doc. no : qw0905- rev. : date :
25% 75% 100%50% -60 -30 75% 25% 050%100% 0 30 60 + - 1.0min 25.0min 0.5 typ 2.54typ 1.5 max 4.0 3.0 2.0 1/4 page LA55141 part no. ligitek electronics co.,ltd. property of ligitek only package dimensions note : 1.all dimension are in millimeter tolerance is 0.25mm unless otherwise noted. 2.specifications are subject to change without notice. directivity radiation
592 dominant wave length dnm ligitek electronics co.,ltd. property of ligitek only typical electrical & optical characteristics (ta=25 ) absolute maximum ratings at 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. material part no LA55141 yellow emitted gaasp/gap orange transparent lens color soldering temperature tsol peak forward current duty 1/10@10khz i fp operating temperature storage temperature reverse current @5v power dissipation ir tstg t opr pd forward current parameter symbol i f part no. LA55141 spectral halfwidth nm forward voltage @ ma(v) 20 viewing angle 2 1/2 (deg) max. 352.6 1.7 min. 20 8.0128 min. typ. luminous intensity @10ma(mcd) max 260 for 5 sec max (2mm from body) ma 80 a 10 -40 ~ +100 -40 ~ +85 60 mw unit 20 a ma ratings 2/4 page
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. LA55141 3/4 page
1.ta=65 5 2.rh=90%~95% 3.t=240hrs 2hrs high temperature high humidity test the purpose of this test is the resistance of the device under tropical for hous. mil-std-202:103b jis c 7021: b-11 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 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. 1.t.sol=230 5 2.dwell time=5 1sec solderability test this test intended to see soldering well performed or not. 1.t.sol=260 5 2.dwell time= 10 1sec. 1.ta=105 5 &-40 5 (10min) (10min) 2.total 10 cycles solder resistance test thermal shock test the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. reliability test: 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 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. 1.ta=105 5 2.t=1000 hrs (-24hrs, +72hrs) 1.ta=-40 5 2.t=1000 hrs (-24hrs, +72hrs) low temperature storage test high temperature storage test 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. test condition test item operating life test description reference standard ligitek electronics co.,ltd. property of ligitek only part no. LA55141 page 4/4
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