The PT11-21C/L41/TR8 is part of the Everlight product line. It is a surface-mount, through-hole mountable, colored LED (Light-Emitting Diode) that provides a reliable and consistent illumination source. The LED comes with a bright, vivid hue of green (chlorophyll) with a luminous intensity of 8mcd, a viewing angle of 60 degrees, and a forward voltage of 3.4V, making it suitable for various applications.