DATA SHEET LASER DIODE NX5321 Series 1 310 nm FOR 156 Mb/s, 622 Mb/s, 1.25 Gb/s, FTTH InGaAsP MQW-FP LASER DIODE DESCRIPTION The NX5321 Series is a 1 310 nm Multiple Quantum Well (MQW) structured Fabry-Perot (FP) laser diode with InGaAs monitor PIN-PD. These devices are designed for application up to 1.25 Gb/s. APPLICATIONS • STM-1 (I-1, S-1.1), STM-4 (I-4, S-4.1), ITU-T recommendations • FTTH P2P (Fiber To The Home Point to Point) system FEATURES • Optical output power Po = 5.0 mW • Low threshold current lth = 7 mA • Differential efficiency ηd = 0.3 W/A • Wide operating temperature range TC = −40 to +85°C • InGaAs monitor PIN-PD • CAN package φ 5.6 mm • Fiber coupling point 5.8 mm The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all products and/or types are available in every country. Please check with an NEC Electronics sales representative for availability and additional information. Document No. PL10739EJ02V0DS (2nd edition) Date Published April 2009 NS Printed in Japan The mark <R> shows major revised points. The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field. 2008, 2009 NX5321 Series PACKAGE DIMENSIONS (UNIT: mm) φ 5.6+0.00 –0.03 *2 (φ 4.2) *2 1.0±0.1 BOTTOM VIEW 1 (0.4) 110°±2° *2 (φ 3.55) 2 4 3 *2 (0.4) *1 Fiber Coupling Point 5.80 typ 3.10 15.0±1.0 1.2±0.1 3.90±0.2 φ 1.5 Δx = ±300 μ m Δy = ±300 μ m PIN CONNECTIONS NX5321EH 1 (Case) 1 (Case) Reference Plane 2 4 2 4– φ 0.45 LD LD 3 *1 Recommendation of Fiber Coupling Conditions Fiber : SMF with 8 degree angle-polished ferrule Fiber coupling distance : 5.80±0.05 mm from reference plane. Fiber coupling alignment : optimixed x, y, θ ( Δ x, Δ y ≤ ±300 μ m). *2 ( ) indicates nominal dimension. Data Sheet PL10739EJ02V0DS 4 PD PD φ 2.0 2 NX5321EK 3 NX5321 Series ORDERING INFORMATION Part Number NX5321EH Package Pin Connections 1 4-pin CAN with ball lens cap LD 4 2 PD 3 1 NX5321EK LD 2 4 PD 3 Remarks 1. The color of ball lens cap might be observed differently. 2. The hermetic test will be performed as AQL 1.0%. Data Sheet PL10739EJ02V0DS 3 NX5321 Series ABSOLUTE MAXIMUM RATINGS Parameter <R> Symbol Ratings Unit Optical Output Power Po 10 mW Forward Current of LD IF 150 mA Reverse Voltage of LD VR 2.0 V Forward Current of PD IF 10 mA Reverse Voltage of PD VR 15 V Operating Case Temperature TC −40 to +85 °C Storage Temperature Tstg −40 to +85 °C Lead Soldering Temperature Tsld 350 (3 sec.) °C Relative Humidity (noncondensing) RH 85 % ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified) Parameter Symbol Conditions MIN. TYP. MAX. Unit 1.1 1.5 V 10 20 35 mA Operating Voltage Vop Po = 5.0 mW Operating Current Iop Po = 5.0 mW Threshold Current Ith 3 7 15 mA Differential Efficiency ηd 0.2 0.3 0.7 W/A Center Wavelength λC Po = 5.0 mW, RMS (−20 dB) 1 290 1 310 1 330 nm Spectral Width σ Po = 5.0 mW, RMS (−20 dB) 1.0 2.0 nm Rise Time tr 10-90% 0.15 0.3 ns Fall Time tf 90-10% 0.15 0.3 ns Lateral Beam Angle θ// Po = 5.0 mW 11 deg. Vertical Beam Angle θ⊥ Po = 5.0 mW 11 deg. Monitor Current Im VR = 1.5 V, Po = 5.0 mW Monitor Dark Current ID Monitor PD Terminal Capacitance 900 μA VR = 10 V 100 nA Ct VR = 10 V, f = 1 MHz 20 pF Focal Distance Df Po = 5.0 mW 5.0 5.8 6.2 mm Optical Output Power from Fiber Pf Po = 5.0 mW, 8 degree angled fiber, 400 800 Optimized x, y, θ. z = 5.80±0.05 mm 4 Data Sheet PL10739EJ02V0DS 100 500 μW NX5321 Series REFERENCE Document Name Opto-Electronics Devices Pamphlet Document No. PX10160E Data Sheet PL10739EJ02V0DS 5 NX5321 Series • The information in this document is current as of April, 2009. 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(2) "NEC Electronics products" means any product developed or manufactured by or for NEC Electronics (as defined above). M8E 02. 11-1 6 Data Sheet PL10739EJ02V0DS NX5321 Series 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.