Diameter/dimensions: 3mm. Color: red. Max Continuous current: 20mA. Viewing angle: 100°. Material: scattered. (cd): 100mcd. (cd): 40mcd. Wavelength (dominant): 640nm. Format: cylindrical flat. Pd (Power Dissipation, Max): 0.1W. RoHS: yes. Assembly/installation: PCB through-hole mounting. Operating temperature: -40...+85°C. Threshold voltage Vf (max): 2.5V. Forward voltage Vf (min): 1.85V