PRELIMINARY DATA SHEET NEC's 1480 nm InGaAsP MQW FP PUMP LASER DIODE MODULE FOR EDFA APPLICATION (150 mW MIN) NX7461LE-CC FEATURES • InGaAsP MQW-FP LASER DIODE • HIGH OUTPUT POWER: Pf = 150 mW MIN @ IF = 600 mA CW • INTERNAL OPTICAL ISOLATOR, THERMOELECTRIC COOLER AND InGaAs MONITOR PHOTO DIODE • SINGLE MODE FIBER PIGTAIL • HERMETICALLY SEALED 14-PIN BUTTERFLY PACKAGE DESCRIPTION NEC’s NX7461LE-CC is a 1480 nm pumping laser diode module with optical isolator for an EDFA (Er Doped optical Fiber Amplifier) that can expand the transmission span and compensate optical losses. This device is a Multiple Quantum Well (MQW) structured Fabry-Perot (FP) laser diode that features high output power, high efficiency, and stable fundamental mode. California Eastern Laboratories NX7461LE-CC PACKAGE DIMENSIONS (Units in mm) 15.24 2.54 TOP VIEW 8 14 LD PD ñ 1 12.7±0.15 0.9 Case 7 + #1 Cooler #7 Thermistor 8.89±0.13 13.3 -0.0 1.25 +1.0 4– φ 2.67 #8 Shrunk Tube 0.5 #14 PIN CONNECTIONS 20.83±0.13 Pin No. 1 2 3 4 5 6 7 26.04±0.13 5.15 1.0 0.3 7.8±0.2 5.4 Optical Fiber (SMF) Length: 1 000 MIN. With SC Connector Function Cooler Anode Thermistor PD Anode PD Cathode Case Ground NC NC 29.97±0.25 Pin No. Function 8 NC 9 NC 10 LD Anode, Case Ground 11 LD Cathode 12 NC 13 Case Ground 14 Cooler Cathod OPTICAL FIBER CHARACTERISTICS SPECIFICATION UNIT Mode Field Diameter 9.5±1 μm Cladding Diameter 125±2 μm 2 % Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Flammability 1.6 % 0.9±0.1 mm 1100 to 1270 nm 30 mm 1000 MIN. mm UL1581 VW-1 35±2 mm SC-UPC Connector Fiber Length: 1000 mm MIN. 8.99±0.5 mm PARAMETER NX7461LE-CC ORDERING INFORMATION PART NUMBER NX7461LE-CC AVAILABLE CONNECTOR With SC-UPC Connector ABSOLUTE MAXIMUM RATINGS SYMBOL RATINGS UNIT Forward Current of LD PARAMETER IF 720 mA Reverse Voltage of LD VR 2.0 V Forward Current of PD IF 10 mA Reverse Voltage of PD VR 20 V Operating Case Temperature TC –20 to +70 °C Storage Temperature Tstg –40 to +85 °C Thermistor Current It 0.5 mA Thermistor Voltage Vt 12.0 V Cooler Current IC 1.8 A Cooler Voltage VC 6.0 V Lead Soldering Temperature Tsld 260 (10 sec.) °C ELECTRO-OPTICAL CHARACTERISTICS PARAMETER SYMBOL (TLD = 25°C, TC = -20 to +70°C, unless otherwise specified) TYP. MAX. UNIT Threshold Current Ith CW CONDITIONS MIN. 50 60 mA Forward Voltage VF IF = 600 mA 2.4 2.7 V Optical Output Power from Fiber Pf IF = 600 mA Center Emission Wavelength λC IF = 600 mA, RMS (–20 dB) Spectrum Width σ IF = 600 mA, RMS (–20 dB) Isolation IS 1 460 nm to 1 490 nm 150 1 460 25 mW 1 480 1 490 nm 4.0 8.0 nm dB NX7461LE-CC ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = 25°C, TC = –20 to +70°C) PARAMETER SYMBOL CONDITIONS Monitor Current Im VR = 5 V, IF = 600 mA Dark Current ID VR = 5 V Tracking Error γ*1 Im = const. MIN. TYP. MAX. UNIT 500 1300 2000 μA 2 10 nA 0.5 dB Pf *1 γ = 10 log 150 mW Pf (mW) TLD = TC = 25ºC X TLD = 25ºC TC = –20 to +70ºC Pf 0 Im Im (@Pf (25ºC) = 150 mW) ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC: TLD = 25°C, TC = –20 to +70°C) PARAMETER SYMBOL MIN. TYP. MAX. UNIT 9.5 10.0 10.5 kΩ 3350 3450 3550 K ΔT = 45°C, IF = 720 mA 1.2 1.4 A VC ΔT = 45°C, IF = 720 mA 3.0 3.6 V ΔT*1 IC = 1.4 A, IF = 720 mA Thermistor Resistance R B Constant B Cooler Current IC Cooler Voltage Cooling Capacity *1 ΔT = TC – TLD CONDITIONS TLD = 25°C 45 °C NX7461LE-CC TYPICAL CHARACTERISTICS (TC = 25°C, unless otherwise specified) SPECTRUM 250 Relative Intensity (10 dB/div.) Optical Output Powr from Fiber Pf (mW) OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT 200 150 100 50 0 100 200 300 400 500 600 700 1430 1480 1530 Wavelength λ (nm) Forward Current IF (mA) THERMISTOR RESISTANCE vs. OPERATING AMBIENT TEMPERATURE Thermistor Resistance R (kΩ) 50 30 20 10 5 3 2 1 0 25 50 75 Operating Ambient Temperature TA (ºC) 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. 08/02/2004 A Business Partner of NEC Compound Semiconductor Devices, Ltd.