ASDL-4772 high performance side look algaas/gaas infrared (940nm) lamp data sheet description ASDL-4772 is a high performance infrared emitter that is optimized for high efciency at emission wavelength of 940nm. it is designed for applications that require small outline dimensions with high radiant intensity and low forward voltage at wide viewing angle. the emitter is en - capsulated in side look package and is matched to asdl- 6771 for maximum sensitivity. features ? side look package ? 940nm wavelength ? narrow viewing angle ? good mechanical and spectral matching to asdl-6771 infrared phototransistor detector ? lead free and rohs compliant ? available in tape & reel applications ? industrial infrared monitoring applications ? consumer electronics (optical mouse) ? infrared source for optical counters and card readers ? photo-interrupters ? on-of switch / beam interruption ? positioning sensing
ordering information part number lead form color packaging shipping option asdl-477 -c asdl-477 -c4 straight clear tape & reel bulk 4000pcs 0kpcs / carton package dimensions notes: 1. all dimensions are in millimeters (inches) 2. tolerance is + 0.25mm (.010) unless otherwise noted 3. protruded resin under fange is 1.0mm (.039) max 4. lead spacing is measured where leads emerge from package 5. specifcations are subject to change without notice
absolute maximum ratings at 25 c parameter symbol min. max unit reference peak forward current i fpk a 00pps continuous forward current i fdc 50 ma power dissipation p diss 75 mw reverse voltage v r 5 v operating temperature t o -40 85 c storage temperature t s -55 00 c led junction temperature t j 0 c lead soldering temperature 60 c for 5 sec electrical characteristics at 25 c parameter symbol min. typ. max. unit condition forward voltage v f . .6 v i fdc =0ma reverse voltage v r 5 v i r =00ua thermal resistance, junction to ambient r q ja 50 c/w optical characteristics at 25 c parameter symbol min. typ. max. unit condition radiant intensity i e .0 .707 mw/sr i fdc =0ma viewing angle / 0 deg peak wavelength pk 940 nm i fdc = 0ma spectral width ? 50 nm i fdc = 0ma optical rise time t r us i fpk =00ma duty factor=50% pulse width= 0us optical fall time t f us i fpk =00ma duty factor=50% pulse width= 0us
foward current (ma) figure 5. relative radiant intensity vs. forward current figure 6. radiation diagram forward voltage (v ) figure 3. forward current vs. forward voltage figure 4. relative radiant intensity vs. ambient temperature wavelength (nm ) figure 1. spectral distribution forward current (ma) output power relative to value at if=20ma relative radiant intensity 0 1.2 1.6 2.0 2.4 2.8 50 40 30 20 10 0 0 20 40 60 80 10 0 5.0 4.0 3.0 2.0 1.0 0 0.5 0.3 0.1 0.2 0.4 0.6 0.7 0.8 0.9 1.0 0 0.5 1.0 1040 940 840 10 20 30 40 50 60 relative radiant intensity value at if=20ma output power relative to 0 20 10 o o o 80 o 90 o 70 60 o o 50 40 o o 30 o 0 -20 0.6 0.2 0.4 0 0.8 1.0 1.2 80 60 40 20 0 forward current if (ma) figure 2. forward current vs. ambient temperature ambient temperature ta ( c ) o 10 0 -40 0 -20 20 60 40 80 ambient temperature ta ( c ) o typical electrical/optical characteristics curves (t a =25?c unless otherwise indicated) for company and product information, please go to our web site: www.liteon.com or http://optodatabook.liteon.com/databook/databook.aspx data subject to change. copyright ? 007 lite-on technology corporation. all rights reserved.
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