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| PRODUCT INFORMATION 840nm 1A440 VCSEL Laser Diode Datacom, General Purpose This Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet, ATM and general applications. It operates in multiple transverse and single longitudinal mode, ensuring stable coupling of power and low noise. Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP . MAX. UNIT (25 C Case Temperature) TEST CONDITION Fiber-Coupled Power Optical Power Slope Efficiency (dPo/dIF) Pfiber Po 1.3 0.9 1.7 200 15 3.0 mW mW IF =12mA IF =12mA (Note 1) mW/A IF =12mA deg GHz 860 1 2.2 6 nm nm V mA dB/Hz IF =12mA, f=1 GHz Full Width at 1/e2 IF =12mA IF =12mA IF =12mA IF =12mA Beam Divergence Bandwidth (3dBel ) fc p 2 830 840 0.5 Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Threshold Current Relative Intensity Noise VF Ith RIN 1.9 3.5 -130 Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. An external glass ball lens with 2 mm diameter is required. Absolute Maximum Ratings O4.7 O2.5 PARAMETER SYMBOL LIMIT Storage Temperature 3.7 Tstg Top Ptot IF IFRM VR Tsld -55 to +125 C 0 to +70 C 35 mW 15 mA 25 mA 1.5 V 260 C Operating Temperature (derating: Fig.4) Electrical Power Dissipation (derating: Fig.4) 14 Continuous Forward Current (f 0.4 10 kHz) 50%, f 1 MHz) Peak Forward Current (duty cycle Reverse Voltage ANODE CATHODE CASE All dimensions in mm Soldering Temperature (2mm from the case for 10 sec) 2.5 5.4 BOTTOM VIEW Thermal Characteristics PARAMETER SYMBOL MIN. TYP. MAX. UNIT The chip is isolated from the case. Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink Temp. Coefficient -W avelength Optical Power - Variation 0 to 70 C Threshold Current - Variation 0 to 70 C Rthjc Rthja d /dTj P Ith 400 700 0.06 0.7 0.6 C/W C/W nm/ C dB mA TO-46 Package With Flat Window WARNING: Laser Radiation, avoid exposure to beam. Class 3B laser product, potential eye hazard. Warning labels in each box. 13430.11 1999-04-01 Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771 America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527 VCSEL Laser Diode 1A440 840nm % 120 Po vs T FIGURE 1 RELATIVE THRESHOLD CURRENT % 120 Ith vs T FIGURE 2 % 100 FIGURE 3 Po vs If 100 100 80 RELATIVE OPTICAL POWER 80 80 RELATIVE OPTICAL POWER 0 20 40 60 80 100 C 60 60 60 40 40 40 20 20 0 20 40 60 80 100 C 20 0 0 4 8 12 16 20 mA OPERATING TEMPERATURE OPERATING TEMPERATURE FORWARD CURRENT mA 20 If vs Vf MAX. ELECTRICAL POWER DISSIPATION mW 50 FIGURE 5 Pel vs T % 100 FIGURE 4 Po vs U FORWARD CURRENT INFINITE HEAT SINK 30 10 RELATIVE OPTICAL POWER 40 50 20 NO HEAT SINK 10 0 0 1 2 3V 0 0 20 40 60 80 100 C 0 -15 -10 -5 0 +5 +10 +15 FORWARD VOLTAGE OPERATING TEMPERATURE EMISSION ANGLE http://www.mitelsemi.com World Headquarters - Canada Tel: +1 (613) 592 2122 Fax: +1 (613) 592 6909 North America Tel: +1 (770) 486 0194 Fax: +1 (770) 631 8213 Asia/Pacific Tel: +65 333 6193 Fax: +65 333 6192 Europe, Middle East, and Africa (EMEA) Tel: +44 (0) 1793 518528 Fax: +44 (0) 1793 518581 Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively "Mitel") is believed to be reliable. However, Mitel assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under patents or other intellectual property rights owned by Mitel or licensed from third parties by Mitel, whatsoever. Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Mitel, or non-Mitel furnished goods or services may infringe patents or other intellectual property rights owned by Mitel. This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Mitel's conditions of sale which are available on request. M Mitel (design) and ST-BUS are registered trademarks of MITEL Corporation Mitel Semiconductor is an ISO 9001 Registered Company Copyright 1999 MITEL Corporation All Rights Reserved Printed in CANADA TECHNICAL DOCUMENTATION - NOT FOR RESALE |
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