SML-310 series led lamps small, chip leds SML-310 series the slm-310 series are small, chip leds. the compact and leadless design of these leds allows for high mounting density. ! features 1) four colors: red, orange, yellow and green. 2) rectangular and leadless (1.6 x 0.8 mm, 0.8 mm thick) 3) can be mounted by automatic mounting. ! ! ! ! external dimensions (units : mm) 0.25 0.8 electrode 1.2 1.6 +0.2 0 0.8 1.0 cathode index tolerances are ?.1 unless otherwise noted: ! ! ! ! selection guide emitting color lens transparent clear red orange yellow green SML-310jt SML-310lt SML-310vt SML-310dt - - - - SML-310yt SML-310mt SML-310pt SML-310ft ! ! ! ! absolute maximum ratings (ta=25 c) * pulse width 1ms duty 1 / 5 parameter symbol p d i f i fp v r topr tstg limits 4 -30~+85 -40~+85 unit mw ma ma * v ?c ?c bright red (l, j) 60 25 75 other colors 55 20 60 power dissipation forward current peak forward current reverse voltage operating temperature storage temperature
SML-310 series led lamps ! ! ! ! electrical and optical characteristics (ta=25 c) parameter forward voltage reverse current type SML-310 jt lt vt dt yt mt red red red orange yellow green 1.9 typ. color 1.75 2.0 2.0 2.1 2.2 2.5 max. 20 i f (ma) max. i r ( a) v r (v) cond. peak wavelength typ. p ( m) i f (ma) cond. spectral line half width typ. ? ( nm) i f (ma) cond. cond. v f (v) luminous intensity min. typ. i f (ma) cond. i v (mcd) 100 4 14.0 3.6 1.4 2.2 2.2 3.6 40.0 20 660 20 25 25 40 40 40 40 20 20 20 20 20 20 20 20 20 20 20 660 650 610 585 570 20 20 20 20 20 10.0 4.0 6.3 6.3 16.0 4 4 4 4 4 100 100 100 100 100 20 20 20 20 20 2.5 2.8 2.8 2.8 2.8 ft green 2.2 1.4 40 20 20 560 20 4.0 4 100 20 2.8 pt green 2.2 1.4 40 20 20 555 20 4.0 4 100 20 2.8 ! ! ! ! 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 (SML-310lt, SML-310jt) (bright red) forward voltage : v f (v) fig. 2 forward current fig. 2 vs. forward voltage forward current : i f ( ma ) 20 10 5.0 2.0 1.0 0.5 0.2 0.1 1.5 2.0 2.5 3.0 50 ta=25 ? c SML-310lt SML-310jt 1.4 1.2 1.0 0.8 0.6 0.4 40 -20 20 0 60 80 1.6 relative luminous intensity i f = 20ma SML-310lt SML-310jt case temperature : tc ( ? c) fig. 3 luminous intensity vs. case temperature 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.5 1 2 51020 50 100 5 forward current : i f ( ma ) fig. 4 luminous intensity vs. forward current relative luminous intensity ta=25 ? c SML-310jt SML-310lt
SML-310 series led lamps 1 1 2 3 4 5 6 10 10 3 10 2 10 4 10 5 fig. 5 maximum tolerable peak current vs. pulse duration pulse duration : tw ( s) ratio of maximum tolerable peak current to maximum tolerable dc current i f peak m ax. i f m ax. 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz 3.0 2.5 2.0 1.5 1.0 0.5 0 0 102030405060 relative luminous intensity peak forward current : i f peak (ma) fig. 6 luminous intensity vs. peak forward current 15% 20% 10% 5% f =1khz dc df = 50% 20 10 0 010 20 30 40 50 70 80 60 90 30 ambient temperature : ta ( ? c) fig. 7 maximum forward current vs. ambient temperature maximum forward current : i f m ax. (ma) ! ! ! ! electrical characteristics curves 2 (SML-310vt) (red) 20 10 5.0 2.0 1.0 0.5 0.2 0.1 1.5 1.0 2.0 2.5 3.0 50 forward voltage : v f (v) fig. 8 forward current vs. forward voltage forward current : i f (ma) ta=25 ? c 1.4 1.2 1.0 0.8 0.6 0.4 40 -20 20 0 60 80 1.6 relative luminous intensity i f = 20ma case temperature : tc ( ? c) fig. 9 luminous intensity vs. case temperature 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.5 1 2 51020 50 100 5 forward current : i f ( ma ) fig. 10 luminous intensity vs. forward current relative luminous intensity ta=25 ? c 1 1 2 3 4 5 6 10 10 3 10 2 10 4 10 5 fig. 11 maximum tolerable peak current vs. pulse duration pulse duration : tw ( s) ratio of maximum tolerable peak current to maximum tolerable dc current i f peak m ax. i f m ax. 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz 3.0 2.5 2.0 1.5 1.0 0.5 0 0 102030405060 relative luminous intensity peak forward current : i f peak (ma) f =1khz dc 15% 20% 10% 5% fig. 12 luminous intensity vs. peak forward current df = 50% 20 10 0 010 20 30 40 50 70 80 60 90 30 ambient temperature : ta ( ? c) fig. 13 maximum forward current vs. ambient temperature maximum forward current : i f m ax. (ma)
SML-310 series led lamps ! ! ! ! electrical characteristics curves 3 (SML-310dt) (orange) forward voltage : v f (v) fig. 14 forward current vs. forward voltage forward current : i f ( ma ) 20 10 5.0 2.0 1.0 0.5 0.2 0.1 1.5 2.0 2.5 3.0 50 ta=25 ? c 1.4 1.2 1.0 0.8 0.6 0.4 40 -20 20 0 60 80 1.6 relative luminous intensity i f = 20ma case temperature : tc ( ? c) fig. 15 luminous intensity vs. case temperature 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.5 1 2 51020 50 100 5 forward current : i f ( ma ) fig. 16 luminous intensity vs. forward current relative luminous intensity ta=25 ? c 1 1 2 3 4 5 6 10 10 3 10 2 10 4 10 5 fig. 17 maximum tolerable peak current vs. pulse duration pulse duration : tw ( s) ratio of maximum tolerable peak current to maximum tolerable dc current i f peak m ax. i f m ax. 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz 3.0 2.5 2.0 1.5 1.0 0.5 0 0 102030405060 relative luminous intensity peak forward current : i f peak (ma) f =1khz dc 15% 20% 10% 5% fig. 18 luminous intensity vs. peak forward current df = 50% 20 10 0 010 20 30 40 50 70 80 60 90 30 ambient temperature : ta ( ? c) fig. 19 maximum forward current vs. ambient temperature maximum forward current : i f m ax. (ma) ! ! ! ! electrical characteristics curves 4 (SML-310yt) (yellow) forward voltage : v f (v) fig. 20 forward current vs. forward voltage forward current : i f ( ma ) 20 10 5.0 2.0 1.0 0.5 0.2 0.1 1.5 2.0 2.5 3.0 50 ta=25 ? c 1.4 1.2 1.0 0.8 0.6 0.4 40 -20 20 0 60 80 1.6 relative luminous intensity i f =20ma fig. 21 luminous intensity vs. case temperature case temperature : tc ( ? c) 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.5 1 2 51020 50 100 5 forward current : i f ( ma ) fig. 22 luminous intensity vs. forward current relative luminous intensity ta=25 ? c
SML-310 series led lamps 1 1 2 3 4 5 6 10 10 3 10 2 10 4 10 5 fig. 23 maximum tolerable peak current vs. pulse duration pulse duration : tw ( s) ratio of maximum tolerable peak current to maximum tolerable dc current i f peak m ax. i f m ax. 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz 3.0 2.5 2.0 1.5 1.0 0.5 0 0 102030405060 relative luminous intensity peak forward current : i f peak (ma) f =1khz dc 15% 20% 10% 5% fig. 24 luminous intensity vs. peak forward current df = 50% 20 10 0 010 20 30 40 50 70 80 60 90 30 ambient temperature : ta ( ? c) fig. 25 maximum forward current vs. ambient temperature maximum forward current : i f m ax. (ma) ! ! ! ! electrical characteristics curves 5 (SML-310mt, SML-310pt, SML-310ft) (green) forward voltage : v f (v) fig. 26 forward current vs. forward voltage forward current : i f ( ma ) 20 10 5.0 2.0 1.0 0.5 0.2 0.1 1.5 2.0 2.5 3.0 50 ta=25 ? c 1.4 1.2 1.0 0.8 0.6 0.4 40 -20 20 0 60 80 1.6 relative luminous intensity i f = 20ma fig. 27 luminous intensity vs. case temperature case temperature : tc ( ? c) SML-310pt SML-310mt,ft 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.5 1 2 51020 50 100 5 forward current : i f ( ma ) fig. 28 luminous intensity vs. forward current relative luminous intensity ta=25 ? c SML-310mt,ft SML-310pt 1 1 2 3 4 5 6 10 10 3 10 2 10 4 10 5 fig. 29 maximum tolerable peak current vs. pulse duration pulse duration : tw ( s) ratio of maximum tolerable peak current to maximum tolerable dc current i f peak m ax. i f m ax. 50khz 20khz 10khz 5khz 2khz 1khz 500hz 200hz 100hz 3.0 2.5 2.0 1.5 1.0 0.5 0 0 102030405060 relative luminous intensity peak forward current : i f peak (ma) f =1khz dc 15% 20% 10% 5% fig. 30 luminous intensity vs. peak forward current df = 50% 20 10 0 010 20 30 40 50 70 80 60 90 30 ambient temperature : ta ( ? c) fig. 31 maximum forward current vs. ambient temperature maximum forward current : i f m ax. (ma)
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