The BF321-0AG-028B is a single-LED lamp in the BF321 series, designed with a Miniature Bayonet Ba9s (T3¼) base for easy replacement of traditional incandescent bulbs. This specific model operates on 28 VDC with bipolar polarity, has a base outer diameter of 0.36 inches (9.14mm), and a maximum overall length of 1.19 inches (30.23mm). As a solid-state component, it offers high resistance to shock and vibration, providing a long lifespan and up to 90% in energy savings. It is well-suited for applications such as industrial controls, avionics panels, and general status indicators.