SML-512 Series LED lamps Ultra high brightness chip LEDs SML-512 Series The SML-512 series are ultra high brightness chip LEDs equipped with an AlGaInP chip. The compact and leadless design of these LEDs allows for high mounting density. !External dimensions (Units : mm) 1.6+0.2 0 1.2 0.25 0.55 0.8 !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. Cathode index 1.0 Electrode Tolerance are ±0.1 unless otherwise noted. !Selection guide Emitting color Red Orange Yellow Lens Transparent clear SML-512UW SML-512DW SML-512WW !Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Power dissipation PD 62 mW Forward current IF 25 Peak forward current IFP 60 mA mA∗ Reverse voltage VR 4 V Operating temperature Topr −30∼+85 °C Storage temperature Tstg −40∼+85 °C ∗ Pulse width 1ms Duty 1 / 5 1/3 SML-512 Series LED lamps !Electrical and optical characteristics (Ta=25°C) Parameter Color VF(V) Type SML-512 Reverse current Forward voltage Peak wavelength Luminous intensity Spectral line half width Cond. λP(nm) Cond. ∆λ(nm) Cond. Cond. IR(mA) Cond. Typ. Max. IF(mA) Max. VR(V) Min. IV(mcd) Typ IF(mA) Typ. IF(mA) Typ. IF(mA) UW Red 1.9 2.5 20 100 4 22 63 20 630 20 18 20 DW Orange 1.9 2.5 20 100 4 36 63 20 611 20 16 20 WW Yellow 1.9 2.5 20 100 4 36 63 20 590 20 15 20 !Directional pattern ANGLE (˚) (X−Y) 10 20 0 20 30 20 40 10 20 30 40 50 50 60 60 80 80 90 100 50 60 60 70 70 0 0 40 50 50 50 10 30 30 40 90 100 ANGLE (˚) (X'−Y' ) 10 70 70 80 80 90 100 50 RELATIVE LUMINOUS INTENSITY (%) 0 90 100 50 RELATIVE LUMINOUS INTENSITY (%) Fig.1 Directional pattern !Electrical characteristics curves 1.0 1.5 2.0 2.5 FORWARD VOLTAGE : VF (V) Fig. 2 Forward current vs. forward voltage 3.0 10.00 IF=20mA Ta=25°C RELATIVE LUMINOUS INTENSITY 10.0 0.1 1.0 1.6 Ta=25˚C RELATIVE LUMINOUS INTENSITY FORWARD CURRENT : IF (mA) 100.0 1.4 1.2 1.0 0.8 0.6 0.4 −20 −10 0 10 20 30 40 50 60 70 80 1.00 0.10 0.01 0.1 1 10 100 CASE TEMPERATURE : Tc (˚C) PEAK FORWARD CURRENT : IF (mA) Fig. 3 Luminous intensity vs. case temperature Fig. 4 Luminous intensity vs. forward current 2/3 SML-512 Series LED lamps DC 1 10 100 1000 10000 PULSE DURATION : Tw (µs) Fig. 5 Maximum tolerable peak current vs. pulse duration RELATIVE LUMINOUS INTENSITY 100Hz 200Hz 1kHz 500Hz 2kHz 10kHz 5kHz 20kHz 50kHz IFP Max / IF MaxI f=1kHz 200 150 DF=50% 100 20% 15% 50 10% 0 0 5% 10 20 30 40 50 60 70 PEAK FORWARD CURRENT : IF peak (mA) Fig. 6 Luminous intensity vs. peak forward current 30 MAXIMUM FORWARD CURRENT : IF Max. (mA) 250 10 20 10 0 0 10 20 30 40 50 60 70 80 90 100 AMBIENT TEMPERATURE : Ta (˚C) Fig.7 Maximum forward current vs. ambient temperature (Derating) 3/3