ASDL-4671 high performance t- (3mm) algaas/gaas infrared (940nm) lamp data sheet description ASDL-4671 is a high performance infrared emitter that utilizes algaas on gaas led technology. it is optimized for high efciency at emission wavelength of 940nm and is designed for application that requires high radiant intensity, low forward voltage at narrow viewing angle. the emitter is encapsulated in t1 (3mm) package and is both mechanically and spectrally matched to asdl-6620 infrared phototransistor detector. features ? t-1 package ? 940 nm wavelength ? narrow viewing angle ? low forward voltage ? high efciency at low currents ? good mechanical and spectral matching to asdl-6620 infrared phototransistor detector ? lead free & rohs compliant ? available in tape & reel applications ? ir remote control for consumer device ? ir remote control for industrial equipment ? smoke detector ? photo-interrupters ? refective applications ? infrared illuminator security camera
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 ordering information part number lead form color packaging shipping option asdl-467 -c asdl-467 -c3 asdl-467 -d asdl-467 -d3 straight clear smoke tape & reel bulk tape & reel bulk 4000pcs 8000pcs / carton 4000pcs 8000pcs / carton
3 absolute maximum ratings at 25 c parameter symbol min. max unit reference peak forward current i fpk a 300 pps continuous forward current i fdc 60 ma power dissipation p diss 90 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 [ .6mm (0.063) from body ] 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 350 c/w optical characteristics at 25 c parameter symbol min. typ. max. unit condition radiant on-axis intensity i e 3.9 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 m s i fpk =00ma duty factor=50% pulse width= 0us optical fall time t f m s 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 94 0 84 0 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 -2 0 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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