invisible laser radiation avoid beam exposure class 3b laser product notice : stresses greater than those listed under ?absolute maximum ratings may cause permanent damage to the device . these are stress ratings only and functional operation of the device at these or any other condition beyond those ind icated for extended periods of time may effect device reliabilit y. www.ulm-photonics.de attention: electrostatic sensitive devices observe precautions for handling 12mw / 20mw / 24mw vcsel sma receptacle / to56 / chip electrical power dissipation absolute maximum ratings storage temperature -55 .. 125c operating temperature -30 .. 85c 150 mw continous forward current 50 ma reverse voltage 8v pin soldering temperature 290c vertical cavity surface-emitting laser 12mw / 20mw / 24mw peak power >2,5 gbps speed e.g. for storage, free space, sensing other wavelengths available, e.g. for wdm * in optical fiber 125m, na 0,37 electro-optical characteristics receptacle / chip parameter symbol units min typ max test conditions emission wavelength r nm 840 850 860 t=20c fiber-coupled mean power (power) mw 12/24 fiber 125 m, 0.37na, t=20c threshold current i th ma 10 t=20c variation of i th over temp. i th (t) ma 3.0 t=0 .. 70c threshold voltage u th v 1.5 1.8 2.0 t=20c laser current i op ma 40 48 p opt =12mw*/24mw, t=20c laser voltage u op v 2.0 2.2 2.5 p opt =12mw*/24mw, t=20c wallplug efficiency wp % 10/20 15/30 20/35 p opt =12mw*/24mw, t=20c slope efficiency s w/a 0.3/0.6 0.4/0.8 0.6/1 t= 20c variation of s over temp. s (t) w/a 0.25/0.4 t= 0 .. 70c differential series resistance r s 20 p opt =12mw*/24mw 3db modulation bandwidth 3db ghz 3 p opt =12mw*/24mw rise and fall time t r /t f ps 300 20%..80%; p of f /on =0.5/12mw* relative intensity noise rin db/hz -130 -120 p opt = 12mw* @ 1 ghz wavelength tuning over temperature nm/k 0,07 thermal resistance r thermal k/mw 1 spectral bandwidth nm 1 rms v17 www.datasheet.in
u-l-m photonics gmbh / d +49(0)731 550194-011 (-026) sales@ulm-photonics.de contact fon (fax) email www.ulm-photonics.de liv (optical fiber 125m, na 0.37) other fiber core diameters available upon request 20mw vcsel to56 ball lense anode 24mw vcsel chip - - 12mw vcsel sma receptacle - anode description cap common type with monitor (pd) without monitor ulm850-02-tt-hsmapp ulm850-02-tt-hsmaop ulm850-02-tt-h56bpp ulm850-02-tt-h56bop - ULM850-02-TT-H0101U v17 anode cathode 0 20 40 0 5 10 15 20 ulm850-02-tt-hsmapp id#: b040428a optical power (mw) current (ma) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 voltage (v) monitor current (ma) 0.0 0.2 0.4 0.6 0.8 1.0 www.datasheet.in
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