sml-511 series led lamps 1/3 high brightness leds sml-511 series the sml-511 series are high brightness chip leds equipped with an algainp chip. the compact and leadless design of these leds allows for high mounting density. ! features 1) three colors : red, orange and yellow. 2) rectangular and leadless (1.6x0.8mm, 0.55mm thick) 3) can be mounted by automatic mounting. ! ! ! ! external dimensions (units : mm) 0.18 0.55 electrode 1.2 1.6 + 0.2 0 0.8 1.0 cathode index tolerance are 0.1 unless otherwise noted. ! ! ! ! selection guide emitting color lens transparent clear red orange yellow SML-511UW sml-511dw sml-511ww ! ! ! ! absolute maximum ratings (ta=25 c) ? pulse width 1ms duty 1 / 5 parameter symbol p d i f i fp v r topr tstg unit mw ma ma ? v c c limits 4 ? 30 + 85 ? 40 + 85 62 25 60 power dissipation forward current peak forward current reverse voltage operating temperature storage temperature
sml-511 series led lamps 2/3 ! ! ! ! electrical and optical characteristics (ta=25 c) parameter type sml-511 uw dw ww red orange yellow typ. 1.9 1.9 1.9 max. i f ( ma) max. i r ( ma) v r ( v) cond. typ. p ( nm) i f ( ma) cond. typ. ? ( nm) i f ( ma) cond. cond. v f ( v) min. typ i f ( ma) cond. i v ( mcd) 14 14 22 40 40 40 20 20 20 18 16 15 630 611 590 20 20 20 40 40 40 4 4 4 100 100 100 20 20 20 2.5 2.5 2.5 forward voltage reverse current color peak wavelength spectral line half width luminous intensity ! ! ! ! directional pattern angle (?) relative luminous intensity (%) 0 50 100 50 100 0 10 10 20 20 30 40 50 60 70 80 90 30 40 50 60 70 80 90 (x' ? y' ) angle (?) relative luminous intensity (%) fig.1 directional pattern 0 50 100 50 100 0 10 10 20 20 30 40 50 60 70 80 90 30 40 50 60 70 80 90 (x ? y) ! ! ! ! electrical characteristics curves 1.0 10.0 0.1 1.5 1.0 2.0 2.5 3.0 100.0 forward voltage : v f (v) forward current : i f ( ma ) ta=25 ? c fig. 2 forward current vs. forward voltage 1.4 1.2 1.0 0.8 0.6 0.4 40 50 ? 20 ? 10 20 30 10 0 60 80 70 1.6 relative luminous intensity i f =20ma fig. 3 luminous intensity vs. case temperature case temperature : tc ( ? c) 1.00 0.10 0.01 0.1 1 10 100 10.00 peak forward current : i f ( ma ) relative luminous intensity ta=25 ? c fig. 4 luminous intensity vs. forward current
sml-511 series led lamps 3/3 1 2.4 10 ifp max / if maxi pulse duration : tw ( s) 10 100 1000 10000 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz fig. 5 maximum tolerable peak current vs. pulse duration 250 200 150 100 50 0 01020304050 70 60 relative luminous intensity peak forward current : i f peak (ma) 15% 20% 10% 5% f=1khz dc df=50% fig. 6 luminous intensity vs. peak forward current 20 10 0 010 20 30 40 50 70 80 60 100 90 30 ambient temperature : ta ( ? c) maximum forward current : i f m ax. (ma) fig.7 maximum forward current vs. ambient temperature (derating)
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