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LN78 Datasheet(PDF) 1 Page - Panasonic Semiconductor |
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LN78 Datasheet(HTML) 1 Page - Panasonic Semiconductor |
1 / 2 page 1 Infrared Light Emitting Diodes R0.6 12 R1.2 2-0.45 ±0.15 2-1.2 ±0.3 1.2 2.9 ±0.25 4.5 ±0.3 1.7 ±0.2 0.9 0.8 ø2.4 1: Cathode 2: Anode Unit : mm 2.54 0.45 ±0.15 LN78 GaAlAs Infrared Light Emitting Diode For optical control cystems Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Ratings Unit Power dissipation PD 180 mW Forward current (DC) IF 100 mA Pulse forward current IFP* 1A Reverse voltage (DC) VR 3V Operating ambient temperature Topr –25 to+85 ˚C Storage temperature Tstg –30 to +100 ˚C * f = 100 Hz, Duty cycle = 0.1 % Features High-power output, high-efficiency : PO = 10 mW (typ.) High-speed modulation capability : fC = 12 MHz Electro-Optical Characteristics (Ta = 25˚C) Parameter Symbol Conditions min typ max Unit Radiant power PO IF = 50mA 6 10 mW Peak emission wavelength λ P IF = 50mA 880 nm Spectral half band width ∆λ IF = 50mA 50 nm Forward voltage (DC) VF IF = 100mA 1.5 1.8 V Reverse current (DC) IR VR = 3V 10 µA Capacitance between pins Ct VR = 0V, f = 1MHz 50 pF Half-power angle θ The angle in which radiant intencity is 50% 40 deg. Cutoff frequency fC* IFP = 50mA + 10mAp-p 12 MHz * Frequency when modulation optical power decreases by 3dB from 1MHz. (10 log PO(fCMHz) = – 3 ) PO(1MHz) |
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