FLD5F20NP-D is a modulator integrated DFB laser diode module from Philips. It has a CW DFB laser section and is available at C Band ITU-T grid wavelengths. It has a high speed butterfly package with GPO connection and built-in optical isolator, monitor photodiode, thermistor, and thermo-electric cooler.
The FLD5F20NP-D is a modulator‑integrated DFB laser diode module operating at 1550 nm with CW laser section and electro‑absorption modulator. It offers high‑speed operation, built‑in optical isolator, monitor photodiode, thermistor and TEC in a butterfly package.
Key specifications include optical output up to 5 mW, extinction ratio >10 dB at 2.6 Vpp modulation, and a bandwidth up to 5 GHz. Absolute maximum ratings, electrical characteristics, and a full wavelength table are provided, along with mechanical drawing and contact information for Eudyna worldwide.
| Wavelength range | 1529.55 – 1563.05 nm |
|---|---|
| Optical output power | 5 mW (CW) |
| Laser forward current | 150 mA (CW) |
| Modulator forward voltage | 5 V (max) at 1 V |
| Extinction ratio | >10 dB at 2.6 Vpp modulation |
| TEC power dissipation | 3.3 W |
| Operating temperature range | -20 °C to +70 °C |
| Thermistor B constant | 3270 – 3630 K |
The module can operate from –20 °C to +70 °C.
It provides up to 5 mW of continuous‑wave optical output.
An extinction ratio greater than 10 dB is achieved with a 2.6 Vpp modulation voltage.