The LD635A50C15 from Lasermate Group is a Laser Diode with Wavelength 630 nm, 640 nm, 645 nm (Peak), Output Power 45 to 50 mW, Output Power 45 to 50 mW, Threshold Current 50 to 60 mA, Operating Current 120 to 160 mA. More details for LD635A50C15 can be seen below.