MITSUBISHI

MITSUBISHI LASER DIODESML8XX1 SERIESFOR OPTICAL COMMUNICATIONTYPENAMEML8701, ML874A 1 FDESCRIPTIONML8XXl series are InGaAsP laser diodes whichprovide a stable, single transverse mode oscillationwith emission wavelength of 1200nm and standardcontinuous light output of 5mW.ML8XXl are hermetically sealed devices havingthe photodiode for optical output monitoring. Thishigh-performance, high reliability, and long-life laserdiode is suitable for such applications as the lightsource for multiple wavelength optical communicationsystems.FEATURES• Stable fundamental transverse mode oscillation• Low threshold current, low operating current• Built- in photodiode• High reliability, long operation life• 1200nm typical emission wavelength• High speed of responseAPPLICATIONDigital communication systems, multiple wavelengthcommunication systemsABSOLUTE MAXIMUM RATINGSSymbol Parameter Conditions Ratings UnitPo Light output powerCW 6mWPulse (Note 1) 10VRL Reverse voltage (Laser diode) - 2 VVRD Reverse voltage (Photodiode) - 20 VIFD Forward current (Photodiode) - 2 mATc Case temperature' - -20~+ 70 'cTstg Storage temperature - - 40-+ 100 'cNote 1: Duty less than 50 %. pulse width less than 1 /l s.ELECTRICAL/OPTICAL CHARACTERISTICS (Tc = 25 'C)Symbol Parameter Test conditionsMin. Typ. Max.!th Threshold current CW - 15 30 mA,lop Operating current CW.Pb=5mW - 30 60 rnAVop Operating voltage CW.Po-5mW - 1.2 1.6 Vn Slope efficiency CW.Po-5mW 0.2 0.35 - mW/mA.l. P Peak wavelength CWo Po=5mW 1180 1200 1230 nmld Spectral half width CWo Po=5mW - 3 - nmell Beam divergence angle (parallel) CWo Po=5mW - 25 - deg.el. Beam divergence angle (perpendicular) CWo Po=5mW - 30 - deg.tr. tf Rise and fall times IF = !th. Po = 5mW. 10 %-90 % - 0.3 0.7 ns1mMonitoring output currentCWo Po = 5mW. VRD = 1V.RL = 10 Q(Photodiode) (Note 2)LimitsUnit0.2 0.5 - mAID Dark current (Photodiode) VRD = 10V - 0.2 0.5 /lACt Capacitance, (Photodiode) VRD = 1 OV. f = 1 MHz - 8 20 pFNote 2: RL IS load resistance of the photodlode.2-154" MITSUBISHI"ELECTRIC