The 559-2201-001F is a green snap-in LED panel mount indicator from the Dialight 559 series. This diffused LED emits green light with a peak wavelength of 563 nm and a typical luminous intensity of 10 mcd at a 10 mA forward current. It features a typical forward voltage of 2.1V, a 65-degree viewing angle, and is designed for snap-in mounting into a 0.250-inch panel hole. The RoHS-compliant component operates over a temperature range of -25°C to +85°C and includes straight terminals, making it suitable for applications like data-center infrastructure, test equipment, and fan tray assemblies.