SML-810MT Light Emitting Diodes Reverse mount type chip LED SML- 810MT The SML-810 is reverse mount type chip LEDs. Due to reverse mounting , it will make thinner for the sets. !External dimensions (Units : mm) !Features 1) Green colored light emisson. 2) Small shaped (3.4x1.25mm). 3) Can be mounted by automatic mounting. 3.4 +0.2 0 1.2 1.25 R 1.25 0.3 Resisit 0.28 1.1 4-R Cathode Index Electrode 1.8 (units : mm) Tolerances are 0.1 unless otherwise noted: !Selection guide Emitting color Green Lens Clear SML-810MT !Absolute maximum ratings (Ta=25C) Parameter Symbol Limits Unit Power dissipation PD 65 mW Forward current IF 25 mA Peak forward current IFP 60 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-810MT Light Emitting Diodes !Electrical and optical characteristics (Ta=25C) Parameter Color VF (V) Type MT Green 2.2 Cond. IR (A) Cond. 2.6 100 20 Peak wavelength Luminous intensity Max. IF (mA) Max. VR (V) Typ. SML-810 Reverse current Forward voltage 4 Cond. P (nm) Cond. (nm) Cond. IV (mcd) Min. Spectral line half width Typ. IF (mA) Typ. IF (mA) 5.6 16 20 570 20 Typ. IF (mA) 40 20 !Directional pattern X' X Y SCANNING ANGLE (deg) 20 0 10 10 SCANNING ANGLE (deg) Y' 20 30 40 40 80 80 0 20 30 40 50 90 100 50 60 60 70 70 50 10 50 60 60 0 40 50 50 90 100 10 20 30 30 70 70 80 80 90 100 50 RELATIVE INTENSITY (%) 0 90 100 50 RELATIVE INTENSITY (%) Fig.1 Directional pattern !Electrical characteristic curves 1.6 1.0 0.1 1.0 1.5 2.0 2.5 FORWARD VOLTAGE : VF (V) Fig.2 Forward current vs. forward voltage 3.0 0.8 100Hz 200Hz 500Hz 2kHz 1kHz 1.0 10kHz 5kHz 1.2 20kHz 1.4 50kHz 10.0 10 IF=20mA IFP Max / IF Max Ta=25C RELATIVE LUMINOUS INTENSITY FORWARD CURRENT : IF (mA) 100.0 2.4 0.6 0.4 -20 -10 0 10 20 30 40 50 60 70 80 CASE TEMPERATURE : TC (C) Fig.3 Relative luminous intensity vs. case temperature 1 1 10 100 1000 10000 PULSE DURATION : tW (s) Fig.4 Patio of maximum tolerable peak current vs. pulse duration 2/3 SML-810MT RELATIVE LUMINOUS INTENSITY 3.0 f=1kHz 2.5 DC 2.0 1.5 DF=50% 1.0 20% 15% 10% 5% 0.5 0 0 10 20 30 40 50 60 MAXIMUM FORWARD CURRENT : (mA) Light Emitting Diodes 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 PEAK FORWARD CURRENT : (mA) AMBIENT TEMPERATURE : Ta (C) Fig.5 Relative luminous intensity vs. forward current Fig.6 Maximum forward current vs. ambient temperature (Derating) 3/3