The LD-635-05-40-N-2 from OPELUS Technology Corporation is a Laser Diode with Wavelength 630 to 640 nm, Output Power 0.005 W, Operating Voltage 2.2 to 2.7 V, Operating Current 32 to 45 mA, Threshold Current 23 to 35 mA. More details for LD-635-05-40-N-2 can be seen below.