NEC's 1550 nm InGaAsP MQW FP PULSED LASER DIODE NX7528BF-AA IN COAXIAL PACKAGE FOR OTDR APPLICATION (60 mW MIN) FEATURES DESCRIPTION • HIGH OUTPUT POWER: Pf = 80 mW at IFP = 400 mA Pulse Conditions: Pulse width (PW) = 10ms, Duty = 1% NEC's NX7528BF-AA is a 1550 nm Multiple Quantum Well (MQW) structured Fabry-Perot (FP) laser diode coaxial module with single mode fiber. This module is specified to operate under pulsed condition and is designed for light sources of Optical Time Domain Reflectometer(OTDR). • LONG WAVELENGTH: λC = 1550 nm ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C) PART NUMBER SYMBOLS PARAMETERS AND CONDITIONS NX7528BF-AA UNITS MIN V TYP MAX 2.5 4.0 45 50 VFP Forward Voltage, IFP = 400 mA, PW = 10 µs, Duty = 1% ITH Threshold Current mA Pf Optical Output Power from Fiber, IFP = 400 mA, PW = 10 µs, Duty = 1% mW 60 80 λC Center Wavelength, IFP = 400 mA, PW = 10 µs, Duty = 1%, RMS (-20 dB) nm 1530 1550 1570 σ Spectral Width, IFP = 400 mA, PW = 10 µs, Duty = 1%, RMS (-20 dB) nm 6.0 10.0 tr Rise Time, 10-90% ns 1.0 tf Fall Time, 90-10% ns 1.0 ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +60°C) PART NUMBER SYMBOLS PARAMETERS AND CONDITIONS NX7528BF-AA UNITS MIN ITH Threshold Current mA Pf Optical Output Power from Fiber, IFP = 400 mA, PW = 10 µs, Duty = 1% mW 40 λC Center Wavelength, IFP = 400 mA, PW = 10 µs, Duty = 1%, RMS (-20 dB) nm 1520 Temperature Dependency of Center Wavelength nm/°C ∆λ/∆T σ Spectral Width, IFP = 400 mA, PW = 10 µs, Duty = 1%, RMS (-20 dB) nm TYP MAX 75 1585 0.35 10.0 California Eastern Laboratories NX7528BF-AA ORDERING INFORMATION ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS IFP Pulsed Forward Current2 mA 600 VR Reverse Voltage V 2.0 TC Operating Case Temperature °C -20 to +60 TSTG Storage Temperature °C -40 to +85 TSLD Lead Soldering Temperature (10 sec) °C 260 % 85 RH Relative Humidity (noncondensing) PART NUMBER NX7528BF-AA-AZ* FLANGE TYPE Flat Mount Flange *Note: Please refer to the last page of this data sheet. "Compliance with EU Directives" for Pb-Free RoHS Compliance Information. Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. Pulse Condition: Pulse Width (PW) = 10 µs, Duty = 1%. TYPICAL PERFORMANCE CURVES (TC = 25°C, unless otherwise specified) SPECTRUM 100 PW = 10 µs, Duty = 1% Relative Intensity (Linear Scale) Optical Output Power from Fiber, Pf (mW) OPTICAL OUTPUT POWER FROM FIBER vs. PULSED FORWARD CURRENT 80 TC = 25°C 60 40 60°C 20 0 100 200 300 Pulsed Forward Current, IFP (mA) 400 1550 Wavelength, λ (nm) 5 nm/div NX7528BF-AA OUTLINE DIMENSIONS (Units in mm) Optical Fiber SMF Length: 1 m φ0.9 φ7 27.4 2−φ2.2 4 2 φ0.45 20 φ6 12.7 17.0 12 1 43 7.2 3.7 PIN CONNECTIONS P.C.D. = φ2 1 2 LD CASE OPTICAL FIBER CHARACTERISTICS PARAMETER UNIT SPECIFICATION Mode Field Diameter µm 9.3±0.5 Cladding Diameter µm 125±2 Maximum Cladding Noncircularity % 2 Maximum Core/Cladding Concentricity % 1.6 Outer Diameter mm 0.9±0.1 Cut-off Wavelength nm 1140 to 1280 Minimum Fiber Bending Radius mm 30 Fiber Length mm 1000 MIN Ferrule Fiber Length: 1000 mm MIN Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale. 03/03/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd. 4590 Patrick Henry Drive Santa Clara, CA 95054-1817 Telephone: (408) 919-2500 Facsimile: (408) 988-0279 Subject: Compliance with EU Directives CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive 2003/11/EC Restriction on Penta and Octa BDE. CEL Pb-free products have the same base part number with a suffix added. The suffix –A indicates that the device is Pb-free. The –AZ suffix is used to designate devices containing Pb which are exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals. All devices with these suffixes meet the requirements of the RoHS directive. This status is based on CEL’s understanding of the EU Directives and knowledge of the materials that go into its products as of the date of disclosure of this information. Restricted Substance per RoHS Concentration Limit per RoHS (values are not yet fixed) Concentration contained in CEL devices -A Not Detected Lead (Pb) < 1000 PPM Mercury < 1000 PPM Not Detected Cadmium < 100 PPM Not Detected Hexavalent Chromium < 1000 PPM Not Detected PBB < 1000 PPM Not Detected PBDE < 1000 PPM Not Detected -AZ (*) If you should have any additional questions regarding our devices and compliance to environmental standards, please do not hesitate to contact your local representative. 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