NX8511UD

PRELIMINARY DATA SHEET LASER DIODE NX8511UD 1 550 nm FOR LONG HAUL 2.5 Gb/s InGaAsP MQW-DFB LASER DIODE TOSA DESCRIPTION The NX8511UD is a 1 550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode TOSA (transmitter optical subassembly) with InGaAs monitor PIN-PD in a receptacle type package designed for SFF/SFP transceiver with LC duplex receptacle. This device is ideal for Synchronous Digital Hierarchy (SDH) system, long haul STM-16 (L-16.2), ITU-T recommendations, and SONET OC-48 (LR-2). FEATURES Peak emission wavelength Optical output power Wide operating temperature range Side mode suppression ratio InGaAs monitor PIN-PD Internal optical isolator Based on Telcordia reliability λp = 1 550 nm Pf = 2.0 mW TC = −20 to +85°C SMSR = 40 dB 5.0 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 devices/types available in every country. Please check with local NEC Compound Semiconductor Devices representative for availability and additional information. Document No. PL10446EJ01V0DS (1st edition) Date Published January 2004 CP(K) Printed in Japan  NEC Compound Semiconductor Devices 2004 PACKAGE DIMENSIONS (UNIT: mm) φ 4.75±0.1 φ 3.4±0.03 φ 2.92+–00..1075 OPTICAL REFERENCE PLANE 1.1±0.05 4.045±0.05 NX8511UD BOTTOM VIEW 1 42 3 12.0 MAX. 6.99±0.2 (1.1) (2.55) 0.55±0.05 6.5±0.5 1.0 4– φ 0.3 φ 1.43 P.C.D φ 3.8 PIN CONNECTION...