Preliminary Data Sheet NX7437 Series LASER DIODE 1 490 nm InGaAsP MQW-FP LASER DIODE COAXIAL MODULE FOR OTDR APPLICATION R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 DESCRIPTION The NX7437 Series is a 1 490 nm Multiple Quantum Well (MQW) structured Fabry-Perot (FP) laser diode coaxial module with single mode fiber. This NX7437AG-AA module is specified to operate under pulsed condition and designed for light source of Optical Time Domain Reflectometer (OTDR). FEATURES *1 • High output power Pf = 90 mW @ IFP = 400 mA • Long wavelength λC = 1 490 nm • NX7437AG-AA has a built-in monitor PD. *1 Pulse Conditions: Pulse width (PW) = 10 μs, Duty = 1% NX7437BF-AA R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 1 of 9 NX7437 Series Chapter Title PACKAGE DIMENSIONS (UNIT: mm) NX7437AG-AA BOTTOM VIEW Optical Fiber 31.9 TYP. 22.0 TYP. SMF Length: 1 m MIN. 3 2 4 1 PIN CONNECTIONS 3 2 PD 4 1 LD φ 0.45 14.5 1.2 8.7 CASE P.C.D. = φ 2 5.95 R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 2 of 9 NX7437 Series Chapter Title NX7437BF-AA Optical Fiber SMF Length: 1 m MIN. φ 0.9 14.5 4 26.5 2 – φ 2.2 φ 7.0 φ 0.45 12.7 17.0 PIN CONNECTIONS P.C.D. = φ 2 R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 1 2 LD CASE 3.7 1 1 4 7.2 3 2 Page 3 of 9 NX7437 Series Chapter Title OPTICAL FIBER CHARACTERISTICS Parameter Specification Unit Mode Field Diameter 9.5±1 μm Cladding Diameter 125±2 μm 2 % 1.6 % 0.9±0.1 mm 1 140 to 1 280 nm 30 mm 1 000 MIN. mm Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Ferrule Fiber Length: 1 000 mm MIN. R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 4 of 9 NX7437 Series Chapter Title ORDERING INFORMATION Part Number FIange Type NX7437AG-AA without flange NX7437BF-AA flat mount flange ABSOLUTE MAXIMUM RATINGS Parameter Symbol Ratings Unit IFP 600 mA Reverse Voltage VR 2.0 V Reverse Voltage VRM 10 V IFPM 2.0 mA Operating Case Temperature TC −20 to +60 °C Storage Temperature Tstg −40 to +85 °C Lead Soldering Temperature Tsld 350 (3 sec.) °C Relative Humidity (noncondensing) RH 85 % Pulsed Forward Current *1 (monitor PD, NX7437AG-AA only) Forward Current (monitor PD, NX7437AG-AA only) *1 Pulse Condition: Pulse Width (PW) = 10 μs, Duty = 1% R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 5 of 9 NX7437 Series Chapter Title ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C) Parameter Forward Voltage Symbol VFP Threshold Current Ith Optical Output Power from Fiber Pf Conditions MIN. TYP. IFP = 400 mA, PW = 10 μs, Duty = 1% 15 IFP = 400 mA, 60 MAX. Unit 3.0 V 50 mA 90 mW PW = 10 μs, Duty = 1% Center Wavelength λC Spectral Width σ RMS (−20 dB), IFP = 400 mA, PW = 10 μs, Duty = 1% 1 470 5 RMS (−20 dB), IFP = 400 mA, 1 510 nm 10 nm PW = 10 μs, Duty = 1% Rise Time tr 10-90% 2.0 ns Fall Time tf 90-10% 2.0 ns Monitor Current Im Pfcw = 2 mW, VRM = 2 V 0.8 mA MAX. Unit 0.02 (NX7437AG-AA only) ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +60°C) Parameter Optical Output Power from Fiber Symbol Pf Conditions IFP = 400 mA, MIN. TYP. 40 mW PW = 10 μs, Duty = 1% Spectral Width σ RMS (−20 dB), IFP = 400 mA, 5 10 nm PW = 10 μs, Duty = 1% R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 6 of 9 NX7437 Series Chapter Title TYPICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified) 120 100 PW = 10 μ s, Duty = 1% 80 25°C TC = 0°C 60 60°C 40 20 0 100 200 300 SPECTRUM Relative Intensity (Linear Scale) Optical Output Power from Fiber Pf (mW) OPTICAL OUTPUT POWER FROM FIBER vs. PULSED FORWARD CURRENT 400 Pulsed Forward Current IFP (mA) 1 490.0 5 nm/div Wavelength λ (nm) Remark The graphs indicate nominal characteristics. R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 7 of 9 NX7437 Series Chapter Title REFERENCE Document Name Opto-Electronics Devices Pamphlet *1 *1 Document No. PX10160E Published by the former NEC Electronics Corporation. R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 Page 8 of 9 NX7437 Series Chapter Title SAFETY INFORMATION ON THIS PRODUCT DANGER SEMICONDUCTOR LASER INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM OUTPUT POWER mW MAX WAVELENGTH nm CLASS lllb LASER PRODUCT Warning Laser Beam AVOID EXPOSURE-Invisible Laser Radiation is emitted from this aperture A laser beam is emitted from this diode during operation. The laser beam, visible or invisible, directly or indirectly, may cause injury to the eye or loss of eyesight. • Do not look directly into the laser beam. • Avoid exposure to the laser beam, any reflected or collimated beam. Caution GaAs Products This product uses gallium arsenide (GaAs). GaAs vapor and powder are hazardous to human health if inhaled or ingested, so please observe the following points. • Follow related laws and ordinances when disposing of the product. If there are no applicable laws and/or ordinances, dispose of the product as recommended below. 1. Commission a disposal company able to (with a license to) collect, transport and dispose of materials that contain arsenic and other such industrial waste materials. 2. Exclude the product from general industrial waste and household garbage, and ensure that the product is controlled (as industrial waste subject to special control) up until final disposal. • Do not burn, destroy, cut, crush, or chemically dissolve the product. • Do not lick the product or in any way allow it to enter the mouth. Caution Optical Fiber A glass-fiber is attached on the product. Handle with care. R08DS0036EJ0100 Rev.1.00 Mar 03, 2011 • When the fiber is broken or damaged, handle carefully to avoid injury from the damaged part or fragments. Page 9 of 9 Revision History NX7437 Series Data Sheet Rev. Date Page 1.00 Mar 03, 2011 − Description Summary First edition issued All trademarks and registered trademarks are the property of their respective owners. C-1 Notice 1. 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