The FSLD-840-05-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 820 to 860 nm, Output Power 5 to 7.5 mW, Bandwidth (FWHM) 45 to 50 nm(Spectral Width), Forward Voltage 2.6 V, Forward Current 150 to 250 mA. More details for FSLD-840-05-FC can be seen below.