The QDFBLD-1550-20TO from QPhotonics is a Laser Diode with Wavelength 1557.3 nm, Output Power 0 to 0.0201 W, Output Power (CW) 0 to 0.0201 W, Threshold Current 15 mA, Operating Current 0.083 to 0.092 A. More details for QDFBLD-1550-20TO can be seen below.