light emitting diodes 1.6 ?? 4.6 mm m m m o o d d e e l l l l e e d d 4 4 3 3 - - t t e e c c - - p p r r 4 4 . . 3 3 mm mm m m 1 1 0 0 mm mm w w ?light emitting diodes LED43-TEC-PR are designed for emitting at a spectral range around 4300 nm. thermocooler and thermoresistor are mounted inside 9 mm package to-5. heterostructures (hs) are grown on inas substrates ?light emitting diodes LED43-TEC-PR are developed for using in optical gas sensors and medical diagnostics. such construction gives possibility for temperature stabilization of led parameters. lifetime is more then 10000 hours. ?related products: our standard led driver provides power supply of led43- tec-pr in two recommended here regimes (quasi-cw and pulsed). parameters min typ max wavelength, mm 4.10 4.20 4.30 fwhm, mm 0.75 0.90 1.05 optical power, mw quasi-cw @ 200 ma pulsed@2a 8 180 10 200 12 220 switching time, ns 10 30 50 range of temperature control o c -10?+60 emitting area, mm 300x300 soldering temperature 95 o c package to-5 with thermocooler, thermistor and parabolic reflector 0 10 20 30 40 50 -20 0 20 40 60 temperature, c thermoresistance, kohm i max q max u max dt max (amps) (watts) (volts) c 0.7 0.4 1.0 67 led chip tec lead thermoresistor top side view thermoresistor thermoresistor led43 typical spectra at different temperatures 0 1 2 3 2500 3000 3500 4000 4500 5000 5500 wavelength, nm intensity, a.u. t=4c t=21c t=47c led43 - typical power vs. current characteristic at different temperatures 0 2 4 6 8 10 0 50 100 150 200 current, ma power, m w t=4c t=21c t=47c led43 - typical current - voltage characteristic -40 -30 -20 -10 0 10 20 30 40 -2 -1 0 1 2 voltage,v current,ma far field pattern with and without reflector led43 (without reflector) led43-pr (with reflector) package to - 5 with parabolic reflector main thermocooler parameters (without load) recommended regimes of led operation quasi-cw 200 ma 250 m s 1 m s 2 a 500 m s f=2 khz f=2 khz pulsed 250 m s
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