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| SLI-343 Series LED lamps Reflecting small LEDs, directly mountable (3.1mm) (no need for solder modification) SLI-343 Series The SLI-343 series are 3.1mm LEDs which can be directly mounted on a printed circuit board. Three colors and two lens types are available for a total of six types, and they are suitable for use in a wide variety of applications. Features 1) Three colors : red, orange and yellow. 2) Two lens types : Colored diffused and Colored clear. 3) High reliability even in case of direct mount. 4) Blow-holeless solder type. External dimensions (Units : mm) 3.8 3.1 5.4 0.4 (2.5) Tolerances are 0.2 unless otherwise noted: Selection guide Emitting color Red Lens Colored diffused Colored clear SLI-343UR SLI-343URC SLI-343DU SLI-343DC SLI-343YY SLI-343YC Orange Yellow 24.0Min. CATHODE SLI-343 Series LED lamps Absolute maximum ratings (Ta = 25C) Parameter Red Symbol SLI-343UR SLI-343URC PD IF IFP VR Topr Tstg - 125 50 200 9 Orange SLI-343DU SLI-343DC 125 50 200 9 -25~+85 -30~+100 260C 5 seconds maximum Yellow SLI-343YY SLI-343YC 125 50 200 9 Unit Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Soldering temperature Pulse width 100s Duty 1 / 10 mW mA mA V C C - Electrical and optical characteristics (Ta = 25C) Parameter Symbol Conditions IF=2mA Forward voltage Reverse current Peak wavelength Spectral line half width Viewing angle Red Orange Yellow Unit 2.2 V 2.4 100 - - - - A nm nm deg Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. (1.4) 1.85 2.2 (1.4) 1.85 2.2 (1.4) 1.85 VF IF=20mA (1.45) 1.9 IR VR=9V IF=20mA IF=20mA Diffused 2 1/2 Transparent - - - - - - 630 20 40 40 2.4 (1.45) 1.9 100 - - - - - - - - - - 611 17 40 40 2.4 (1.45) 1.9 100 - - - - - - - - - - 591 15 40 40 P Luminous intensity vs. wavelength 1.0 Yellow Orange Red Luminous intensity Color Type SLI-343UR Red SLI-343URC Conditions Min. Typ. Max. Unit IF=2mA IF=20mA IF=2mA IF=20mA IF=2mA IF=20mA IF=2mA IF=20mA IF=2mA IF=20mA IF=2mA IF=20mA - 90 - 90 - 90 - 90 - 90 - 90 35 350 45 450 35 350 50 500 30 300 35 350 - - - - - - - - - - - - mcd Axial Luminous Intensity 0.8 0.6 0.4 0.2 SLI-343DU Orange SLI-343DC SLI-343YY Yellow SLI-343YC 0 500 550 600 650 700 750 Wavelength : P (nm) Fig.1 SLI-343 Series LED lamps Directional pattern ANGLE () 20 30 40 50 60 70 Transparent 80 90 100 80 Diffused 50 0 50 90 100 10 0 10 20 30 40 50 60 70 RELATIVE LUMINOUS INTENSITY (%) Fig.2 Electrical characteristic curves (URC, UR, DC, DU, YC, YY) 1000 FORWARD CURRENT : IF (mA) Ta=25C RELATIVE LUMINOUS INTENSITY 1.6 IF=20mA 1.4 1.2 1.0 0.8 YC, YY, DC, DU 0.6 0.4 RELATIVE LUMINOUS INTENSITY 10 Ta=25C 100 1 10 URC, UR 0.1 1 0.1 1.0 1.5 2.0 2.5 3.0 -20 0 20 40 60 80 0.01 0.1 1 10 100 FORWARD VOLTAGE : VF (V) CASE TEMPERATURE : Tc (C) FORWARD CURRENT : IF (mA) Fig.3 Forward current vs. forward voltage Fig.4 Luminous intensity vs. case temperature Fig.5 Luminous intensity vs. forward current RATIO of MAXIMUM TOLERABLE PEAK CURRENT IF peak Max. IF Max. to MAXIMUM TOLERABLE DC CURRENT 10 MAXIMUM FORWARD CURRENT : IF Max. (mA) 60 50 40 30 20 10 0 4 5kHz 500kHz 50kHz 1kHz 10kHz 100kHz 1 10 100 1000 10000 100000 -20 -10 0 10 20 30 40 50 60 70 80 90 AMBIENT TEMPERATURE : Ta (C) PULSE DURATION : tw (s) Fig.6 Ratio maximum tolerable peak vs. pulse duration Fig.7 Derating |
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