The Dialight 515-1020-804F is a circular optical light pipe designed to function as a through-the-case indicator. Constructed from water-clear, transmissive polycarbonate rated UL94-V0, this light pipe offers high transmissivity and good optical isolation. It is designed to be securely held in place by two press-fit pins, simplifying PCB mounting and reducing insertion costs. The textured finish on the light emitting surfaces enhances the viewing angle. Recommended light sources are Dialight's 597 Series 1206 Type SMT LEDs, mounted on a 0.500" pitch. Dialight offers custom Optopipe solutions for various applications.