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| Infrared Light Emitting Diodes LNA2903L GaAs Infrared Light Emitting Diode Unit : mm For optical control systems Features High-power output, high-efficiency : Ie = 9 mW/sr (min.) Emitted light spectrum suited for silicon photodetectors Good radiant power output linearity with respect to input current Wide directivity : = 20 deg. (typ.) Transparent epoxy resin package 13.51.0 11.51.0 3.60.3 1.0 7.650.2 o5.00.2 1.0 2-1.00.15 2-0.60.15 2.54 Absolute Maximum Ratings (Ta = 25C) Parameter Power dissipation Forward current (DC) Pulse forward current Reverse voltage (DC) Operating ambient temperature Storage temperature * o6.00.2 Symbol PD IF IFP* VR Topr Tstg Ratings 160 100 1.5 3 -25 to +85 - 40 to+100 Unit mW mA A V C C 2 1 1: Cathode 2: Anode f = 100 Hz, Duty cycle = 0.1 % Electro-Optical Characteristics (Ta = 25C) Parameter Radiant intensity at center Peak emission wavelength Spectral half band width Forward voltage (DC) Reverse current (DC) Capacitance between pins Half-power angle Symbol Ie P VF IR Ct Conditions IF = 50mA IF = 50mA IF = 50mA IF = 100mA VR = 3V VR = 0V, f = 1MHz The angle in which radiant intencity is 50% min 9 typ 950 50 1.4 35 25 0.60.15 max Not soldered Unit mW/sr nm nm 1.6 10 V A pF deg. 1 LNA2903L Infrared Light Emitting Diodes IF -- Ta 120 10 2 IFP -- Duty cycle tw = 10s Ta = 25C 120 IF -- VF Ta = 25C 100 IF (mA) IFP (A) 100 IF (mA) Forward current 10 -1 10 2 10 Allowable forward current 80 80 Pulse forward current 1 60 60 10 -1 40 40 20 10 -2 20 0 - 25 0 20 40 60 80 100 10 -3 10 -2 1 10 0 0 0.4 0.8 1.2 1.6 2.0 Ambient temperature Ta (C ) Duty cycle (%) Forward voltage VF (V) Ie -- IFP 10 3 (1) tw = 10s f = 100Hz (2) DC Ta = 25C 1.6 VF -- Ta 10 Ie -- Ta IF = 50mA Relative radiant intensity Ie VF (V) 10 2 (1) 10 1.2 50mA 10mA 0.8 Relative radiant intensity Ie IF = 100mA Forward voltage 1 1 (2) 0.4 10 -1 10 -2 1 10 10 2 10 3 10 4 0 - 40 0 40 80 120 10 -1 - 40 0 40 80 120 Pulse forward current IFP (mA) Ambient temperature Ta (C ) Ambient temperature Ta (C ) P -- Ta 1000 IF = 50mA 100 Spectral characteristics IF = 50mA Ta = 25C Directivity characteristics 0 100 90 10 20 Peak emission wavelength P (nm) Relative radiant intensity (%) 980 80 80 70 Relative radiant intensity (%) 30 960 60 60 50 40 40 50 60 70 80 90 940 40 30 20 20 920 900 -40 0 40 80 120 0 860 900 940 980 1020 1060 1100 Ambient temperature Ta (C ) Wavelength (nm) 2 Infrared Light Emitting Diodes LN2903L Frequency characteristics 10 Ta = 25C 1 Modulation output 10 -1 10 -2 10 -3 10 10 2 10 3 10 4 Frequency f (kHz) 3 |
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