Nichia 500G, 510G and 520G Series LEDs. The 5x0G family, from Nichia, are white through-hole LEDs.The 500G, 510G and 520G LEDs have a clear 5mm (T-1 3/4) round package. They are designed for applications including; portable light equipment, decorative lighting and signage.. Features of the 5x0G LEDs: Through-hole mounted 5mm (T-1 3/4) clear package Viewing angle 500G: 15° Viewing angle 510G: 32°