The BF321-0CW-130B is a miniature bayonet base (Ba9s, T3½) LED bulb designed as a direct incandescent replacement for 130 VDC applications. It features a single LED with cool white color output and operates at 130 VDC standard voltage, with a base outer diameter of 0.36" (9.14 mm) and a maximum overall length of 1.19" (30.23 mm). The bulb delivers up to 90% energy savings compared to incandescent equivalents while providing long operational life with no heat generation, making it ideal for industrial control panels, elevators, motor control systems, and aerospace/military indicator applications. Its solid-state construction offers high shock and vibration resistance, backed by a 3-year LEDtronics warranty.