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| PRELIMINARY DATA SHEET NEC's 1480 nm InGaAsP MQW FP PUMP LASER DIODE MODULE FOR EDFA APPLICATION (150 mW MIN) 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 NX7461LE-CC 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 8.890.13 13.3 -0.0 1.25 +1.0 4- 2.67 0.9 TOP VIEW #7 Thermistor #1 + n #14 Cooler Case 7 8 1 14 Shrunk Tube 0.5 20.830.13 26.040.13 Optical Fiber (SMF) Length: 1 000 MIN. With SC Connector Pin No. 1 2 3 4 5 6 7 Function Cooler Anode Thermistor PD Anode PD Cathode Case Ground NC NC 12.70.15 LD #8 PD PIN CONNECTIONS Pin No. Function 8 NC 9 NC 10 LD Anode, Case Ground 11 LD Cathode 12 NC 13 Case Ground 14 Cooler Cathod 0.3 7.80.2 5.4 1.0 29.970.25 OPTICAL FIBER CHARACTERISTICS PARAMETER Mode Field Diameter Cladding Diameter Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Flammability SPECIFICATION 9.51 1252 2 1.6 0.90.1 1100 to 1270 30 1000 MIN. UL1581 VW-1 UNIT m m % % mm nm mm mm 5.15 352 mm 8.990.5 mm SC-UPC Connector Fiber Length: 1000 mm MIN. NX7461LE-CC ORDERING INFORMATION PART NUMBER NX7461LE-CC AVAILABLE CONNECTOR With SC-UPC Connector ABSOLUTE MAXIMUM RATINGS PARAMETER Forward Current of LD Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Thermistor Current Thermistor Voltage Cooler Current Cooler Voltage Lead Soldering Temperature SYMBOL IF VR IF VR TC Tstg It Vt IC VC Tsld RATINGS 720 2.0 10 20 -20 to +70 -40 to +85 0.5 12.0 1.8 6.0 260 (10 sec.) UNIT mA V mA V C C mA V A V C ELECTRO-OPTICAL CHARACTERISTICS PARAMETER Threshold Current Forward Voltage Optical Output Power from Fiber Center Emission Wavelength Spectrum Width Isolation SYMBOL Ith VF Pf C IS CW IF = 600 mA IF = 600 mA (TLD = 25C, TC = -20 to +70C, unless otherwise specified) CONDITIONS MIN. TYP. 50 2.4 150 1 460 1 480 4.0 25 1 490 8.0 MAX. 60 2.7 UNIT mA V mW nm nm dB IF = 600 mA, RMS (-20 dB) IF = 600 mA, RMS (-20 dB) 1 460 nm to 1 490 nm NX7461LE-CC ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD: TLD = 25C, TC = -20 to +70C) PARAMETER Monitor Current Dark Current Tracking Error SYMBOL Im ID *1 CONDITIONS VR = 5 V, IF = 600 mA VR = 5 V Im = const. MIN. 500 TYP. 1300 2 MAX. 2000 10 0.5 UNIT A nA dB Pf *1 = 10 log 150 mW Pf (mW) TLD = TC = 25C X Pf TLD = 25C TC = -20 to +70C 0 Im (@Pf (25C) = 150 mW) Im ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Thermistor and TEC: TLD = 25C, TC = -20 to +70C) PARAMETER Thermistor Resistance B Constant Cooler Current Cooler Voltage Cooling Capacity SYMBOL R B IC VC T*1 T = 45C, IF = 720 mA T = 45C, IF = 720 mA IC = 1.4 A, IF = 720 mA 45 TLD = 25C CONDITIONS MIN. 9.5 3350 TYP. 10.0 3450 1.2 3.0 MAX. 10.5 3550 1.4 3.6 UNIT k K A V C *1 T = TC - TLD NX7461LE-CC TYPICAL CHARACTERISTICS (TC = 25C, unless otherwise specified) OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT Optical Output Powr from Fiber Pf (mW) 250 Relative Intensity (10 dB/div.) SPECTRUM 200 150 100 50 0 100 200 300 400 500 600 700 1430 1480 Wavelength (nm) 1530 Forward Current IF (mA) THERMISTOR RESISTANCE vs. OPERATING AMBIENT TEMPERATURE 50 Thermistor Resistance R (k) 30 20 10 5 3 2 1 0 25 50 75 Operating Ambient Temperature TA (C) 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. |
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