clairex technologies, inc. 1301 east plano parkway plano, texas 75074-8524 phone: 972-265-4900 fax: 972-265-4949 www.clairex.c om CLE250 preliminar y aluminum gallium arsenide ired miniature hermetic sealed package clairex ? technologies, inc . features ? 880nm wavelength ? 9 emission angle ? miniature hermetic package ? high power output description the CLE250 is an 880nm, algaas infrared-emitting diode mounted in a hermetically sealed package with a glass lens. this package is ideally suited for mounting into double-sided pc boards and is capable of reliable operation over a wide temperature range. absolute maximum ratings (t a = 25c unless otherwise stated) storage temperatur e ....................................................................... -65 c to +150c operating temperatur e .................................................................... -65 c to +125c lead soldering temperature (1) .......................................................................... 260c continuous fo rward curre nt .............................................................................. 75ma reverse vo ltage ..................................................................................................... 5v continuous power dissipation (2) ..................................................................... 125mw notes: 1. 5 seconds maximum. 2. derate linearly 1.0mw/c fr om 25c free air temperature to t a = +125c. clairex reserves the right to make changes at any time to improve design and to provide the best possible product . ? june, 2006 electrical characteristics (at t a = 25c unless otherwise noted) symbol parameter min typ max units test conditions - 1.5 - i e radiant intensity CLE250a CLE250b - 6.0 - mw/ sr i f = 50ma 1.0 - - e e irradiance (3) CLE250a CLE250b 3.5 - - mw/ cm 2 i f = 50ma p peak emission wavelength - 880 - nm i f = 50ma bw spectral bandwidth at half power points - 50 - nm i f = 50ma ? p / ? t spectral shift with temperature - 0.2 - nm/c i f = 50ma hp emission angle at half power points - 18 - deg. i f = 50ma v f forward voltage - - 1.8 v i f = 50ma i r reverse current - - 10 a v r = 5v t r, t f radiation rise and fall time - 700 - ns i f(pk) =50ma, f=1khz, d.c.=50% notes: 3. irradiance (power/unit area) is measured within a 0.031" (0.78mm) diameter area, centered on the mechanical axis of the device and spaced 0.50" (12.7mm) from the lens side of the tab. this is geometrically e q uivalent to a 3.5 cone. all dimensions are in inches (millimeters) 0.139 (3.53) 0.119 ( 3.02 ) 0.062 (1.57) 0.057 (1.45) 0.090 (2.29) 0.080 ( 2.03 ) 0.007 (0.18) 0.003 ( 0.08 ) 0.093 (2.36) 0.083 ( 2.11 ) 0.024 (0.61) 0.016 ( 0.41 ) anode cathode
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