The DIALIGHT 550-3609 is a 5mm bi-color LED circuit board indicator designed for a variety of industrial applications requiring visual status indication. This component features a yellow/green color combination, common cathode configuration, and a diffused lens for even light distribution. It is housed in a UL 94 V-0 rated black housing, ensuring flame retardancy and safety. The design incorporates stand-offs to facilitate PCB cleaning and is compatible with MIL-STD-202F soldering standards. Ideal for use in control panels, equipment status displays, and other applications where clear and reliable visual feedback is essential.