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