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| SML-521 Series Light Emitting Diodes Two-color chip LEDs, super small type SML-521 Series The SML-521 Series are two-color chip LEDs, super small type. Due to its small size in dimension and thickness it is suitable for portable electricity which mainly works under battery. Also for high density mounting. !Features 1) 1.5x1.3mm Super small package 2) Thickness of only 0.6mm 3) Green-red, green-orange greenyellow 3types are available !External dimensions (Units : mm) 1.5 1.1 RED, ORANGE YELLOW 2 1 2 1 0.450.05 4 3 (0.6) 1.3 4 3 GREEN (0.225) 0.6 0.6 Cathode index 1.1 R 0. 2 1.6 Electrode 0.450.05 (0.18) Tolerances are 0.1 unless otherwise noted: !Selection guide Emitting color Red/Green Lens Milky white SML-521MUW SML-521MDW SML-521MYW Orange/Green Yellow/Green SML-521 Series Light Emitting Diodes !Absolute maximum ratings (Ta=25C) Parameter Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Symbol M PD IF IFP VR Topr Tstg 70 25 60 4 -30~+85 -40~+85 Limits U, D, Y 50 20 mW mA mA V C C Unit Pulse width 1ms Duty 1/5 !Electrical and optical characteristics (Ta=25C) Parameter Color Type SML-521MUW Red Green SML-521MDW Orange Green Yellow Green Forward voltage VF (V) Typ. 1.9 2.2 1.9 2.2 1.9 2.2 2.5 2.8 2.5 2.8 2.5 2.8 20 100 4 Reverse current Luminous intensity IV (mcd) Min. 22 5.6 22 5.6 22 5.6 Peak wavelength Spectral line half width Cond. IR (A) Cond. Cond. P (mm) Cond. (mm) Cond. Typ. IF (mA) 630 570 20 611 570 590 570 20 Typ. IF (mA) 18 40 16 40 15 40 20 Max. IF (mA) Max. VR (V) Typ. IF (mA) 40 16 40 16 40 16 SML-521MYW !Directional pattern green red orange yellow 30 40 50 60 70 80 90 100 ANGULAR DISPLACEMENT (degrees) 20 10 0 10 20 30 40 50 60 70 80 90 100 70 80 90 100 green 60 50 green ANGULAR DISPLACEMENT (degrees) red orange yellow 0 10 10 20 20 30 30 40 40 50 60 70 80 90 100 red orange yellow 50 0 50 50 0 50 RELATIVE LUMINOUS INTENSITY RELATIVE LUMINOUS INTENSITY Fig.1 Directional pattem SML-521 Series Light Emitting Diodes !Electrical characteristic curves 1 (RED / ORANGE / YELLOW) 100.0 FORWARD CURRENT : IF (mA) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 -20 RELATIVE LUMINOUSE INTENSITY Ta=25C RELATIVE LUMINOUS INTENSITY 1.6 IF=20mA 1000 Ta=25C 10.0 100 1.0 10 0.1 1.5 2.0 FORWARD VOLTAGE : VF (V) 2.5 0 20 40 60 80 1 0 5 10 15 20 25 30 CASE TEMPERATURE : TC (C) 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 RELATIVE LUMINOUS INTENSITY (%) f=1kHz DC 200 MAXIMUM FORWARD CURRENT : (mA) 10 250 30 IFP Max / IF Max 500Hz 200Hz 100Hz 50kHz 20kHz 10kHz 5kHz 2kHz 1kHz 150 DF=50% 100 DF=20% 50 DF=15% DF=10% DF=5% 0 0 10 20 30 40 50 60 20 3 10 1 1 0 10 100 1000 10000 -20 0 20 40 60 80 100 PULSE DURATION : tW (s) PEAK FORWARD CURRENT : (mA) AMBIENT TEMPERATURE : Ta (C) Fig.5 Maximum tolerable peak current vs. pulse duration Fig.6 Luminous intensity vs. peak forward current Fig.7 Derating !Electrical characteristic curves 2 (GREEN) 100.0 FORWARD CURRENT : IF (mA) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 -20 RELATIVE LUMINOUSE INTENSITY Ta=25C RELATIVE LUMINOUS INTENSITY 1.6 IF=20mA 1000 Ta=25C 100 10.0 10 1.0 1.5 2.0 2.5 3.0 0 20 40 60 80 1 0 5 10 15 20 25 30 FORWARD VOLTAGE : VF (V) CASE TEMPERATURE : TC (C) FORWARD CURRENT : IF (mA) Fig.8 Forward current vs. forward voltage Fig.9 Luminous intensity vs. case temperature Fig.10 Luminous intensity vs. forward current SML-521 Series Light Emitting Diodes RELATIVE LUMINOUS INTENSITY (%) f=1kHz DC 200 MAXIMUM FORWARD CURRENT : (mA) 10 250 30 IFP Max / IF Max 150 DF=50% 20 500Hz 200Hz 100Hz 50kHz 20kHz 10kHz 5kHz 2kHz 1kHz 100 DF=20% 50 DF=15% DF=10% DF=5% 0 0 10 20 30 40 50 60 2.4 10 1 1 0 10 100 1000 10000 -20 0 20 40 60 80 100 PULSE DURATION : tW (s) PEAK FORWARD CURRENT : (mA) AMBIENT TEMPERATURE : Ta (C) Fig.11 Maximum tolerable peak current vs. pulse duration Fig.12 Luminous intensity vs. peak forward current Fig.13 Derating |
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