1.55 μm DFB-LD module with single mode optical fiber pig-tail, is suitable to a directly modulated light source for use in 2.5Gb/s digital optical communication systems. This module is prepared in accordance with ITU-T recommendation wavelength channel plan for Dense-WDM transmission.
This document describes the FU-68SDF-x8yyMzzF, a 1.55 µm Distributed Feedback Laser Diode (DFB-LD) module equipped with single-mode optical fiber pigtail. It is designed as a directly modulated light source for high-speed transmission systems (~2.5Gb/s) and Dense-WDM applications.
The datasheet provides absolute maximum ratings, electrical and optical characteristics, thermal specifications, and fiber pigtail details. It includes ordering information mapping wavelength codes to frequencies and central wavelengths, along with an outline diagram defining the 18-pin butterfly package pin functions.
| Emission wavelength band | Full C band |
|---|---|
| Input impedance | 25 Ω |
| Operating speed | ~2.5Gb/s |
| Package type | Butterfly package |
| Operating case temperature range | -20 ~ 70 °C |
| Storage temperature range | -40 ~ 85 °C |
| Connector types available | SC/PC and FC/PC |
It is suitable for use in 2.5Gb/s digital optical communication systems.
Yes, it has a built-in optical isolator.
The maximum forward current (If) for CW operation is 150 mA.