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LC25WZBJ-J57 Datasheet(PDF) 4 Page - Bookham, Inc. |
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LC25WZBJ-J57 Datasheet(HTML) 4 Page - Bookham, Inc. |
4 / 5 page Data Sheet 4 Pin 6 TEC (+), Pin 7 TEC (-) Applying a positive voltage on pin 6 with respect to pin 7 will cause the internal submount to be cooled relative to the case temperature. Reversing the polarity will raise the submount temperature relative to the case. The TEC supply should be capable of delivering up to 0.9A at 2.4V. Pin 8, 9, 11, 13 Case ground These pins must be grounded in all applications Pin 10 This pin is not connected and should be grounded if possible Pin 12 Laser modulation (-) The data input (modulation current) is applied via this pin which is a nominal 25 impedance coplanar line. For 10mW applications the end of life modulation current is 90mA maximum. For all other applications 60mA maximum modulation current should be provisioned. Pin 14 N/C This pin is not connected. It should be grounded if possible. Safety Information Laser safety classifications: IEC 60825-1: Edition 1.2 Class 1M 21 CFR Ch.1 (4-1-97 Edition) Class IIIb Electrostatic discharge: ESD threshold >500V A-TSY-000870 class 3. Pin # Function Pin # Function 1 Thermistor 8 Case Ground 2 Thermistor 9 Case Ground 3 Laser DC bias (-) 10 Not Connected 4 Monitor Anode (-) 11 Case Ground 5 Monitor Cathode (+) 12 Laser Modulation (-) 6 TEC (+) 13 Case Ground 7 TEC (-) 14 Not Connected |
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