NEC's 1310 nm InGaAsP MQW DFB LASER DIODE NX8303BG-CC IN COAXIAL PACKAGE NX8303CG-CC FOR 622 Mb/s APPLICATION FEATURES DESCRIPTION • PEAK EMISSION WAVELENGTH: λp = 1310 nm • OPTICAL OUTPUT POWER: Pf = 2.0 mW • WIDE OPERATING TEMPERATURE RANGE: Tc = -10 to +85°C • SIDE MODE SUPPRESSION RATIO SMSR = 40 dB • InGaAs MONITOR PIN-PD • WITH SC-UPC CONNECTOR • BASED ON TELCORDIA RELIABILITY NEC's NX8303BG-CC and NX8303CG-CC are 1310 nm Distributed Feed-Back (DFB) laser diode coaxial modules with an internal optical isolator. These modules are ideal as light sources for Synchronous Digital Hierarchy (SDH) systems, STM-4, long-haul L-4.1 ITU-T recommendations. ELECTRO-OPTICAL CHARACTERISTICS (TC = -10 to +85°C, unless otherwise specified) PART NUMBER SYMBOLS Pf PARAMETERS AND CONDITIONS Optical Output Power from Fiber, CW NX8303BG-CC, NX8303CG-CC UNITS MIN TYP MAX mW 2.0 V 1.2 1.6 mA mA 15 25 55 VOP Operating Voltage, Pf = 2.0 mW ITH Threshold Current PTH Threshold Output Power, IF = ITH µW IMOD Modulation Current Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW mA mA 8 6 20 30 50 Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW Temperature Dependence of Differential Efficiency, W/A W/A dB 0.070 0.040 -3.5 0.100 0.200 0.300 1280 1310 ηd ∆ηd TC = +25°C Differential Efficiency 100 -2.2 ηd (@ TC °C) ∆ηd = 10 log ηd (@ 25 °C) Kink λp ∆λ/∆T ∆λ SMSR Kink, Pf = Up to 2.4 mW (Refer to defenitions) % Peak Emission Wavelength, Pf = 2.0 mW nm Temperature Dependence of Peak Emission Wavelength Spectral Width, Pf = 2.0 mW, -20 dB down width Side Mode Suppression Ratio, Pf = 2.0 mW fc Cut-off Frequency, -3 dB, VR = 5 V, Pf = 2.0 mW tr Rise Time, 10 to 90%, Ppk = 2.0 mW, IF = ITH nm/°C 0.09 0.1 nm 0.1 1.0 dB ns 0.15 Fall Time, 90 to 10%, Ppk = 2.0 mW, IF = ITH ns Monitor Current, VR = 5 V, Pf = 2.0 mW µA ID Monitor Dark Current Ct RIN 40 2.0 tf γ1 30 GHz Im LINm ±20 1335 0.5 0.15 0.5 700 1500 nA nA 0.1 10 50 500 Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz pF 1.0 Linearity, VR = 5 V, Pf = 0.2 to 2.0 mW (Refer to defenitions) % VR = 5 V, TC = 25 °C VR = 5 V Tracking Error, Im = const. (Refer to defenitions) Relative Intensity Noise, Ref = -14 dB 200 20 10 dB 0.5 dB/Hz -135 1.0 California Eastern Laboratories NX8303BG-CC, NX8303CG-CC ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS Pf Optical Output Power from Fiber mW 5 IF Forward Current of LD mA 150 VR Reverse Voltage of LD V 2.0 2.0 IF Forward Current of PD mA VR Reverse Voltage of PD V 15 TC Operating Case Temperature °C -10 to +85 TSTG Storage Temperature °C -40 to +85 TSLD Lead Soldering Temperature (10 s) °C 260 Relative Humidity (noncondensing) % 85 RH Note: 1. Operation in excess of any one of these parameters may result in permanent damage. PARAMETER DEFINITIONS Kink : kink Pf (mW) IF - Pf 2.4 dPo dPK PK IF - ηd 0 kink = |dPK| x 100 [%] PK dPK = dPo MAX PK ≤ 2.4 (mW) IF (mA) Linearity : LINm Pf (mW) 2.0 LINm = PK |dPL| x 100 [%] PL dPL = dPo MAX 0.2 < PL < 2.0 (mW) PL dPL dPo 0.2 0 Im (mA) Tracking Error : γ Pf (mW) TC = 25°C Pf γ = |10 log 2.0 2.0 TC = -10 to +85°C Pf 0 Im Im (mA) | [dB] NX8303BG-CC, NX8303CG-CC TYPICAL PERFORMANCE CURVES (TC = 25°C unless otherwise specified) OPERATING CURRENT AND THRESHOLD CURRENT vs. CASE TEMPERATURE TEMPERATURE DEPENDENCE OF PEAK EMISSION WAVELENGTH 1320 IOP@Pf = 2 mW ITH 10 1 -60 -40 -20 0 20 40 60 80 1310 1305 -20 0 20 40 60 80 Case Temperature, TC (°C) Case Temperature, TC (°C) TEMPERATURE DEPENDENCE OF DIFFERENTIAL EFFICIENCY FROM FIBER FORWARD CURRENT vs. FORWARD VOLTAGE 100 100 0.18 0.12 0.06 0.00 -40 -20 0 20 40 60 80 100 SPECTRUM 10 0 -10 -20 -30 -40 -50 -60 -70 1300 1310 Wavelength, λ (nm) Remark:The graphs indicate nominal characteristics. 80 60 40 20 0 0 0.5 1.0 1.5 Forward Voltage, VF (V) Case Temperature(°C) Relative Intensity (dB) 1315 1300 -40 100 Forward Current, IF (mA) Differential Efficiency From Fiber, ηd (W/A) Peak Emission Wavelength, λp (nm) Threshold Current, ITH (mA) Operating Current, IOP (mA) 100 1320 2.0 2.5 NX8303BG-CC, NX8303CG-CC OUTLINE DIMENSIONS (Units in mm) NX8303BG-CC Optical Fiber (SMF) Length: 0.5 m With SC Connector ø0.9 ø7.0±0.2 ø0.9 ø7.0±0.2 6.0 6.0 18.3±1.0 15.0 25.5±1.0 8.0±0.3 0.5±0.3 2.2 1.2±0.2 ø0.45±0.05 20.0±1.0 ø0.45±0.05 19.5±1.0 PD 4 17.0±0.2 3 PD 2 1 1 12.7±0.2 LD P.C.D. = ø2.0 16.0 CASE 3 CASE P.C.D. = ø2.0 4–R1.25±0.2 7.2±0.3 3.7±0.3 1.0±0.1 7.3 4 LD ø2.2 0.5 4.0±0.2 28.3±1.0 8.0±0.3 3.2 2 Optical Fiber (SMF) Length: 0.5 m With SC Connector NX8303CG-CC 2 3 2–ø2.5 4 1 7.0±0.2 8.5±0.2 12.0±0.15 ORDERING INFORMATION PART NUMBER AVAILABLE CONNECTOR NX8303BG-CC With SC-UPC Connector FLANGE TYPE Flat Mount Flange NX8303CG-CC Vertical Mount Flange OPTICAL FIBER CHARACTERISTICS PARAMETER UNITS SPECIFICATION Mode Field Diameter µm 9.5±1 Cladding Diameter µm 125±2 Maximum Cladding Noncircularity % 2 Maximum Core/Cladding Concentricity % 1.6 mm 0.9±0.1 Cut-off Wavelength nm 1100 to 1270 Minimum Fiber Bending Radius mm 30 Fiber Length mm 500±50 Outer Diameter Flammability UL 1581 VW-1 35±2 mm 8.99±0.5 mm SC-UPC Connector Fiber Length: 500±50 mm 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.