Data Sheet FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated DFB Laser Module Date February 16, ODC-2S001E

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1 FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated 10mW 1550nm 2.5Gbit/s Directly Modulated Applications OC-48/STM-16 DWDM Transmission Systems Features Low Driving Current, High Slope Efficiency High Side Mode Suppression Ratio Selected Wavelength According to ITU-T Grid (See Table.1) 50GHz Spacing Available Descriptions FOL15DDBA series of DFB laser module is designed for DWDM applications with 2.5Gbit/s direct modulation. The module is housed in an industry standard hermetically sealed 14-pin butterfly package, which contains optical isolator, thermoelectric cooler, power monitor photodiode. Precise wavelength selection is available according to ITU-T grid with 50 GHz spaced wavelength allocation. Absolute Maximum Ratings Parameter Sym Min Max Unit Conditions Storage Temperature Tstg C - Operating Case Temperature Tc C - LD Reverse Voltage V rld - 2 V - LD Forward Current I fld ma - PD Reverse Voltage V rpd - 20 V - PD Forward Current I fpd - 5 ma - TEC Current Itec A - TEC Voltage Vtec V - 1/1

2 FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated Date November 30, ODC-2S001D Optical Characteristics (TLD=Tset, Tc=25 C, unless otherwise specified) Parameter Sym Min Typ Max Unit Conditions Optical Output Power Pf mw CW LD Forward Current If ma nm~ nm, Pf=10mW,CW,BOL* ma nm~ nm, Pf=10mW,CW,BOL* 1 Submount Temperature Tset C Pf=5mW,CW LD Forward Voltage Vf V Pf=10mW,CW Threshold Current I th ma BOL Slope Efficiency η W/A Pf=10mW,CW Input Impedance Zin Ω Wavelength λ λ ITU -0.1 λ ITU λ ITU +0.1 nm Pf=5mW,CW, λ= ~ ,see Table.1 Spectral Width (-20dB fullwidth) λ nm <Pf>=5mW* 2,2.5Gb/s NRZ Side Mode Suppression Ratio SMSR db Pf=5mW,CW Dispersion Penalty DP db <Pf>=5mW,2.5Gb/s NRZ, 1800ps/nm(100km) or 2880ps/nm(160km) Cut off Frequency fc GHz <Pf>=5mW, -1.5dB Optical Rise and Fall Time (10-90%) tr, tf ps <Pf>=5mW,2.5Gb/s NRZ Optical Isolation Iso db Relative Intensity Noise RIN Pf=5mW,CW db/hz O prl <-25dB* 3, 100MHz<f<2.5GHz Monitor Current Im ma Pf=5mW,CW, V rpd =5V Monitor Dark Current Id na V rpd =5V Tracking Error TE db Im=constant, Tc = -5 to 70 C TEC Current Itec A Tc=70 C,Pf=5mW,CW TEC Voltage Vtec V Tc=70 C,Pf=5mW,CW Thermistor B constant B K Thermistor Resistance R kω Tset=25 C * 1 BOL : Beginning of Life * 2 <Pf> : Average Power * 3 O prl : Optical Return Loss Optical Fiber Pigtail Specifications Parameter Specification Unit Fiber Type Corning SMF-28 or equivalent Flame Retardant Hytrel Coating 0.9mmφ - Nominal Fiber Length Min. 1,000 (Boot edge (fiber side) to connector edge) mm Connector Type SC/SPC Connector - 2/2

3 Dimensions and Pin Assignments Data Sheet 7 6 TEC L1 180nH 2 TH 10kΩ 1 PIN No. Object PIN No. Object 1 Thermistor 8 Case Ground 2 Thermistor 9 Case Ground 3 LD Cathode(-) 10 No Connect 4 Monitor Anode(-) 11 Laser Anode(+), Case Ground 5 Monitor Cathode(+) 12 Laser RF CASE R1 20Ω 6 TEC(+) 13 Laser Anode(+), Case Ground 7 TEC(-) 14 No Connect /3

4 Table 1 λ [nm] [THz] λ Code Wavelength values are referenced to vacuum. Wavelength (λ) and ITU frequency (f) have a relationship as λ[nm] = / f[thz] /1000. FITEL code is expressed as a 5 digit integer rounded from 100 x f [THz]. 4/4

5 Ordering Information Data Sheet Safety Information This product complies with 21 CFR and , Class 3b laser product. Invisible laser radiation is emitted from the end of the fiber or connector. Avoid direct exposure to the beam. Furukawa Electric Co, Ltd., Furukawa America, Inc, and Furukawa Electric Europe, Ltd. reserve the right to change data contained in this document in the interest of continued product improvement. The publication of this information does not imply freedom from patent or any other rights of The Furukawa Electric Company, Ltd. or its affiliated companies. All Rights Reserved, Copyright THE FURUKAWA ELECTRIC CO., LTD Headquarters 2-3 Marunouchi 2-chome Chiyoda-ku Tokyo Japan T: F: Furukawa Electric Europe, Ltd 3 rd FL Newcombe House Notting Hill Gate London, W11 3FE UK T: F: sales@furukawa-fitel.co.uk Furukawa America, Inc. 200 Westpark Drive,Suite 190 Peachtree City, GA T: Toll-Free:1-866-GO-FITEL( ) F: oesales@furukawaamerica.com 5/5