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| PRELIMINARY DATA SHEET NEC's 1550 nm InGaAsP MQW-DFB TOSA FOR LONG HAUL NX8511UD 2.5 Gb/s APPLICATIONS FEATURES * PEAK EMISSION WAVELENGTH: p = 1 550 nm * OPTICAL OUTPUT POWER: Pf = 2.0 mW * WIDE OPERATING TEMPERATURE RANGE: TC = -20 to +85C * SIDE MODE SUPPRESSION RATIO: SMSR = 40 dB * INGAAS MONITOR PIN-PD * INTERNAL OPTICAL ISOLATOR * BASED ON TELCORDIA RELIABILITY 5.0 mm DESCRIPTION NEC's NX8511UD is a 1 550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode TOSA (transmitter optical sub-assembly) 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). California Eastern Laboratories NX8511UD PACKAGE DIMENSIONS (UNIT : mm) 4.750.1 3.40.03 2.92+0.05 -0.17 4.0450.05 BOTTOM VIEW 1 4 OPTICAL REFERENCE PLANE 3 2 12.0 MAX. 6.990.2 1.10.05 0.550.05 (1.1) (2.55) PIN CONNECTIONS 1 (CASE) 1.0 LD 4- 0.3 4 2 6.50.5 PD 3 1.43 P.C.D 3.8 ORDERING INFORMATION PART NUMBER NX8511UD PACKAGE 3.8 mm TOSA 4 PD PIN CONNECTIONS 1 LD 2 3 NX8511UD ABSOLUTE MAXIMUM RATINGS PARAMETER Optical Output Power from Fiber Forward Current of LD Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Lead Soldering Temperature Relative Humidity (noncondensing) SYMBOL Pf IF VR IF VR TC Tstg Tsld RH RATINGS 5.0 150 2.0 2.0 15 -20 to +85 -40 to +85 350 (3 sec.) 85 UNIT mW mA V mA V C C C % ELECTRO-OPTICAL CHARACTERISTICS (TC = -20 to +85C, unless otherwise specied) PARAMETER Optical Output Power from Fiber Operating Voltage Threshold Current SYMBOL Pf Vop Ith CW Pf = 2.0 mW TC = 25C CONDITIONS MIN. TYP. 2.0 1.1 10 1.6 20 50 Threshold Output Power Differential Efciency Pth d IF = Ith Pf = 2.0 mW, TC = 25C Pf = 2.0 mW Peak Emission Wavelength Side Mode Suppression Ratio Rise Time Fall Time Monitor Current Monitor Dark Current p SMSR tr tf Im ID CW, Pf = 2.0 mW Pf = 2.0 mW 20-80%, Ppk = 2.0 mW, IF = Ith 80-20%, Ppk = 2.0 mW, IF = Ith VR = 1.5 V, Pf = 1.0 mW VR = 1.5 V, TC = 25C VR = 1.5 V Tracking Error Connector Repeatability - Im = const. With master pigtail -1.0 -1.0 100 500 0.1 10 0.07 0.04 1 530 30 1 550 40 100 150 1 000 50 500 1.0 1.0 dB dB 1 570 nm dB ps ps A nA 0.1 100 W W/A MAX. UNIT mW V mA 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. 05/03/2004 A Business Partner of NEC Compound Semiconductor Devices, Ltd. |
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