The DIALIGHT 551-1104F is a 3mm CBI (Circular Board Indicator) LED designed for various industrial applications requiring visual indication. It boasts a high-contrast, UL 94 V-0 rated black housing, ensuring clear visibility. The CBI features an integral resistor (5 volts) and is available in multiple colors. Housing stand-offs facilitate PCB cleaning, and the LEDs are safe for direct viewing. Reverse polarity options are available by adding -010 to the part number, catering to diverse design requirements. This component is ideal for use in arrays and offers a robust solution for signaling and status indication in a wide range of electronic systems.