Q8F1CXXB12 is an Ø8 mm panel mount LED indicator from the Q8 series designed for visual status indication in industrial and electronic applications. The unit features a rear epoxy body construction with M8x0.75 thread mounting, offering operating and storage temperature range of -40°C to +85°C, and is available with multiple termination options including pins, solder lugs/fastons, or 200 mm wire leads. Key specifications include a maximum reverse voltage of 5 V, viewing angle of 30–100° depending on model, life expectancy of 100,000 hours, and maximum panel thickness of 7 mm. The indicator is available in prominent, recessed, and flush bezel styles with 5 mm colored diffused epoxy lens or water clear super bright LEDs, and offers IP67 sealing option per EN60529. These indicators are commonly used in control panels, machinery, and instrumentation where reliable visual feedback and long operational life are required.