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. zExternal dimensions (Units : mm) 3.8 3.1 24.0Min. 5.4 zFeatures 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. 0.4 (2.5) CATHODE Tolerances are 0.2 unless otherwise noted: zSelection guide Emitting color Red Orange Yellow SLI-343UR SLI-343DU SLI-343YY SLI-343URC SLI-343DC SLI-343YC Lens Colored diffused Colored clear SLI-343 Series LED lamps zAbsolute maximum ratings (Ta = 25C) Red Symbol SLI-343UR SLI-343URC Parameter Orange Yellow SLI-343DU SLI-343DC SLI-343YY SLI-343YC Unit Power dissipation PD 125 125 125 mW Forward current IF 50 50 50 mA Peak forward current IFP 200 200 200 mA VR 9 9 9 Reverse voltage V -25~+85 C Tstg -30~+100 C - 260C 5 seconds maximum - Operating temperature Topr Storage temperature Soldering temperature Pulse width 100s Duty 1 / 10 zElectrical and optical characteristics (Ta = 25C) Orange Red Symbol Conditions Parameter Yellow Unit Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. IF=2mA VF Forward voltage 2.4 V - - 100 IF=20mA - 630 - - 611 - - 591 - nm IF=20mA - 20 - - 17 - - 15 - nm Diffused - 40 - - 40 - - 40 - Transparent - 40 - - 40 - - 40 - P 2 1/2 Color Red Type SLI-343UR Red 0.6 SLI-343URC 0.4 SLI-343DU 0.2 Orange 550 600 650 700 SLI-343DC 750 Wavelength : P (nm) Fig.1 deg zLuminous intensity 1.0 0 500 A 100 Orange 2.2 - Spectral line half width Yellow (1.4) 1.85 2.4 (1.45) 1.9 - Peak wavelength 0.8 2.2 100 zLuminous intensity vs. wavelength Axial Luminous Intensity (1.4) 1.85 2.4 (1.45) 1.9 - VR=9V Viewing angle 2.2 - IR Reverse current (1.4) 1.85 IF=20mA (1.45) 1.9 SLI-343YY Yellow SLI-343YC Conditions Min. Typ. Max. Unit IF=2mA - 35 - IF=20mA 90 350 - IF=2mA - 45 - IF=20mA 90 450 - IF=2mA - 35 - IF=20mA 90 350 - IF=2mA - 50 - IF=20mA 90 500 - IF=2mA - 30 - IF=20mA 90 300 - IF=2mA - 35 - IF=20mA 90 350 - mcd SLI-343 Series LED lamps zDirectional pattern ANGLE () 0 10 20 10 20 30 30 40 40 50 50 60 60 70 70 Transparent 80 80 Diffused 90 100 50 0 90 100 50 RELATIVE LUMINOUS INTENSITY (%) Fig.2 zElectrical characteristic curves (URC, UR, DC, DU, YC, YY) 1.6 100 10 1 RATIO of MAXIMUM TOLERABLE PEAK CURRENT IF peak Max. IF Max. to MAXIMUM TOLERABLE DC CURRENT 0.1 1.0 1.5 2.0 2.5 1.2 1.0 URC, UR 0.8 YC, YY, DC, DU 0.6 -20 0 20 40 60 80 FORWARD VOLTAGE : VF (V) CASE TEMPERATURE : Tc (C) Fig.3 Forward current vs. forward voltage Fig.4 Luminous intensity vs. case temperature 10 4 5kHz 500kHz 50kHz 1kHz 100kHz 10kHz 1 10 1.4 0.4 3.0 100 1000 10000 100000 PULSE DURATION : tw (s) Fig.6 Ratio maximum tolerable peak vs. pulse duration 60 50 40 30 20 10 0 10 IF=20mA -20 -10 0 10 20 30 40 50 60 70 80 90 AMBIENT TEMPERATURE : Ta (C) Fig.7 Derating Ta=25C RELATIVE LUMINOUS INTENSITY RELATIVE LUMINOUS INTENSITY Ta=25C MAXIMUM FORWARD CURRENT : IF Max. (mA) FORWARD CURRENT : IF (mA) 1000 1 0.1 0.01 0.1 1 10 FORWARD CURRENT : IF (mA) Fig.5 Luminous intensity vs. forward current 100