Visible Light Emitting Diodes (Red) LNA4501F ø4.8±0.2 ø4.4±0.2 For optical fiber communications and control systems Features Unit : mm 4.4±0.3 Red light emission close to monochromatic light : λP = 680 nm 5.0±0.2 C0.2 Not soldered 2.0 max. GaAlAs Red Light Emitting Diode High coupling characteristics and suits to a plastic fiber High-speed response : –3dB modulation of 10 MHz 2-1.0±0.1 1.0 12.5±1.0 High-power output, high-efficiency : PO = 3 mW 2- 0.6±0.15 Flat resin package : ø 4.8 mm ø5.4±0.2 (1.5) 2.54 Absolute Maximum Ratings (Ta = 25˚C) Parameter Power dissipation * Symbol Ratings Unit PD 120 mW Forward current (DC) IF 40 mA Pulse forward current IFP* 200 mA Reverse voltage (DC) VR 3 V Operating ambient temperature Topr –25 to +85 ˚C Storage temperature Tstg –30 to +100 ˚C 2 1 1: Cathode 2: Anode tw = 10 µs, Duty cycle = 10 % Electro-Optical Characteristics (Ta = 25˚C) Parameter Symbol Conditions min Radiant power PO IF = 20mA Peak emission wavelength λP IF = 20mA Spectral half band width ∆λ IF = 20mA 20 Forward voltage (DC) VF IF = 20mA 1.8 IR VR = 3V Reverse current (DC) Response time Half-power angle tr , t f θ 1 typ max Unit 3 mW 680 nm nm 2.6 V 100 µA IFP = 100mA 30 ns The angle in which radiant intencity is 50% 30 deg. Note : Before using this product, be sure provide and/or receive approvals regarding individual specifications. 1 LNA4501F Visible Light Emitting Diodes (Red) IF — Ta IFP — VF 10 3 30 20 10 0 20 40 60 80 10 2 10 1 100 1.6 Ambient temperature Ta (˚C ) 1.8 2.0 2.2 10 2 10 1 Duty cycle (%) 10˚ 40 80 60 40 20 0 620 80 640 660 680 Wavelength 720 Coupling loss characteristics Coupling loss characteristics 0 0 60˚ 70˚ 80˚ 90˚ 1 1 2 3 Fiber Y 4 Z = 0.3mm 2 3 5 0 0.4 0.8 Fiber Y 4 Z Z X X 1.2 Distance Z (mm) 2 700 λ (nm) X,Y = 0mm Coupling loss LZ (dB) 20 IF = 20mA Z = 0mm Relative radiant intensity (%) 40 30˚ 50˚ 80 60 20˚ 40˚ 100 100 Ambient temperature Ta (˚C ) Directivity characteristics 0˚ 0 10 3 Spectral characteristics 10 2 10 – 40 10 2 10 10 2 10 1 Forward current IF (mA) Relative radiant intensity (%) Relative radiant power ∆PO IFP (mA) Pulse forward current 10 3 1 10 2.4 IF = 20mA Ta = 25˚C 10 –1 10 2 ∆PO — Ta 10 3 10 –1 10 –2 10 3 Ta = 25˚C Forward voltage VF (V) IFP — Duty cycle 10 4 10 4 Coupling loss LX, LY (dB) 0 – 20 tw = 10µs Duty Cycle = 10% Ta = 25˚C PO (µW) 40 PO — IF 10 5 Radiant power IFP (mA) 50 Pulse forward current Allowable forward current IF (mA) 60 1.6 5 – 0.8 – 0.4 0 0.4 Distance X, Y (mm) 0.8