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LC25WZCA-J28 Datasheet(PDF) 3 Page - Bookham, Inc.

Part # LC25WZCA-J28
Description  2.5Gb/s Buried Het Laser non-WDM applications
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Manufacturer  BOOKHAM [Bookham, Inc.]
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LC25WZCA-J28 Datasheet(HTML) 3 Page - Bookham, Inc.

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Data Sheet
3
Outline Drawing
Dimensions (mm)
Figure 1: Outline Drawing
Reliability/Quality
Meets Qualification requirements of Telcordia GR-468-CORE for Central Office environment.
Operating reliability <500 FITs1 in 15 years.
1- Assumes laser die submount held at <35°C by internal thermoelectric cooler, mean forward current of
35mA, and end of life limits based on 10mA increase in Ith and 25% change in laser efficiency. FIT rate data
for other end of life criteria, including minimum extinction ratio requirements, are available upon request.
Instructions for Use – LC25WZ
Pin 1 and Pin 2 Thermistor
The thermistor is used in a control loop in conjunction with the thermo-electric cooler to maintain the laser
submount temperature at the required value for wavelength. Operating current should be less than 100µA to
prevent self-heating errors.
Pin 3 Laser DC bias (-)
Laser bias current (negative with respect to package ground) is applied via this pin which forms one side of
the bias-T connection to the laser cathode.
Pin 4 Monitor anodes, Pin 5 Common Monitor cathode
The back facet monitor provides a mean power reference for the laser and is normally operated with a 5V
reverse bias.


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