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| Infrared Emitting Diodes(GaAlAs) KEL3002A The KEL3002A is GaAlAs infrared emitting diode that is designed for high power, low forward voltage This device is optimized for speed and efficiency at emission wavelength 940nm and has a high radiant efficiency over a wide range of forward current. Dimensions [Unit : mm] Features 940nm wavelength Low forward voltage High power and high reliability Available for pulse operating Applications IR Audio and Telephone IR Communication Optical switch Available for Wireless Digital Data Transmission Absolute Maximum Ratings Parameter Power dissipation Forward current Pulse forward current *1 Reverse voltage Operating temp. Storage temp. Soldering temp. *2 Symbol PD IF IFP VR Topr. Tstg. Tsol. Rating 70 50 0.5 5.0 -25 ~ +85 -30 ~ +85 240 [TA = 25 Unit A V ] *1. Duty ratio=1/100, pulse width=0.1ms *2. Lead Soldering Temperature (3mm from case for 5sec). ELECTRO- OPTICAL CHARACTERISTICS Description Forward voltage Reverse current Capacitance Radiant intensity Peak emission wavelength Spectral bandwidth 50% Half angle Symbol VF IR CJ Po p e/2 Condition IF=50 VR=5V f=1MHz, V=0V IF=50mA IF=50mA Min. 18 Typ. 1.4 20 20 940 45 20 Max. 1.7 10 Unit V pF /sr nm nm deg. -1- Infrared Emitting Diodes(GaAlAs) KEL3002A DYNAMIC CHARACTERISTICS Power dissipation Vs. Power dissipation Vs. Ambient temperature Ambient temperature () Radiant intensity(P O ) Power dissipation(PD) 100 10 2 (/) Relative intensity Relative intensity Vs. Forward current Forward current 10 1 50 10 0 0 0 20 40 60 80 100 () Ambient temperature(Ta) 10 -1 0 10 10 1 10 2 10 3 Forward current(IF ) () Forward current Vs. Forward current Vs. Forward voltage Forward voltage () Forward current(IF ) 100 Ta=25 Relative intensity (%) 100 80 60 40 20 RelativeintensityVs. Relative intensity Vs. Wavelength Wavelength 50 0 0 0.5 2.0 1.0 1.5 Forward voltage(V F ) (V) 0 400 500 600 700 800 900 1000 1100() Wavelength() Relative radiant intensity Vs. Relative radiant intensity Vs. Ambient temperature Ambient temperature Relative radiant intensity(Po) Radiant Pattern Radiant Pattern Angle(deg.) +20 0 -20 10 +60 0 +4 -4 0 0 -6 1 50 -80 -100 +80 +100 0.1 0 100 50 50 100 -20 0 20 40 60 80 100 () Ambient temperature(Ta) Relative intensity(%) -2- |
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