gaalas t-1 3/4 package infrared emitting diode MIE-546L3U description package dimensions the MIE-546L3U is infrared emitting diodes in gaalas technology molded in pastel blue transparent package. features l suitable for dc and high pulse current operation l standard t-1 3/4 ( f 5mm) package l peak wavelength l p = 880 nm l good spectral matching to si-photodetector l radiant angle : 40 absolute maximum ratings @ t a =25 o c parameter maximum rating unit power dissipation 120 mw peak forward current(300pps,10 m s pulse) 1 a continuos forward current 100 ma reverse voltage 5 v operating temperature range -55 o c to +100 o c storage temperature range -55 o c to +100 o c lead soldering temperature 260 o c for 5 seconds 11/18/2000 unity opto technology co., ltd. a c unit: mm (inches) 2.54 nom. (.100) 7.62 (.300) f 5.05 (.200) 1.0 (.040) 0.50 typ. (.020) 23.40 min. (.920) 1.00min. (.040) flat denotes cathode 5.90 (.230) 5.47 (.215) see note 2 see note 3 notes : 1. tolerance is 0.25 mm (.010") unless otherwise noted. 2. protruded resin under flange is 1.5 mm (.059") max. 3. lead spacing is measured where the leads emerge from the package.
MIE-546L3U optical-electrical characteristics '@ t a =25 o c parameter test conditions symbol min. typ . max. unit radiant intensity i f =20ma ie 1.2 - mw/sr i f =50ma 1.4 1.7 i f =200ma 1.85 2.10 reverse current i r 100 m a peak wavelength i f =20ma l 880 nm spectral bandwidth i f =20ma dl 60 nm view angle i f =20ma 2 q 1/2 - 40 - deg. typical optical-electrical characteristic curves 11/18/2000 forward voltage v r = 5v v f unity opto technology co., ltd. v 0 0.5 1 780 880 980 fig.1 spectral distribution relative radiant intensity wavelength (nm) -55 -25 0 25 50 75 100 125 100 0 50 60 70 80 90 forward current i f (ma) ambient temperature t a ( o c ) fig.2 forward current vs. ambient temperature 0 0.5 1 1.5 2 2.5 3 -40 -20 0 20 40 60 ambient temperature t a ( o c) fig.4 relative radiant intensity vs. ambient temperature output power to value 0 1 2 3 4 5 0 20 40 60 80 100 output power relative to value at i f =20ma forward current (ma) fig.5 relative radiant intensity vs. forward current 0 20 40 60 80 100 0.8 1.2 1.6 2.0 2.4 2.8 forward current (ma) forward voltage (v) fig.3 forward current vs. forward voltage fig.5 radiation diagram 0.5 0.3 0.1 0.2 0.4 0.6 30 40 90 70 60 50 80 1.0 0.9 0.8 relative radiant intensity 0 10 20
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