The 559-3001-001F is a snap-in LED panel mount indicator featuring a bi-color red/green LED configuration with a 0.250" (6.35 mm) mounting hole for secure panel installation. This indicator offers peak wavelengths of 660 nm (red) and 565 nm (green) with typical intensities of 90 mcd and 40 mcd respectively, operating at a forward current of 20 mA and forward voltages of 1.8 V (red) and 2.1 V (green). The device supports multiple voltage options including 1.6–3.6 V DC (with external resistor) and 5, 12, 24 V DC (with integral resistor), with an operating temperature range of -55°C to +100°C and storage temperature range of -55°C to +100°C. The housing is constructed from black UL94V-0 flammable material, and electrical connections are provided via straight terminals for wire wrapping or 24 AWG lead wire (available in 6" or 14" lengths). This indicator is ideal for data-center infrastructure, fan tray assemblies, wireless infrastructure, electronic test and measurement instruments, and communications testing equipment where reliable visual status indication is required.