The 561-2101-050F is a high-efficiency red diffused LED indicator designed for general-purpose indicator applications. It features a luminous output of 2.2 mcd at a forward voltage of 1.0 V and a forward current of 2.2 mA, with a peak wavelength of 630 nm and ambient wavelength of 100 nm. The device operates over a temperature range of -40°C to +70°C and is RoHS compliant with lead-free soldering capability (maximum 260°C for 5 seconds). This LED is ideal for status indication, panel displays, and other applications requiring reliable, efficient red light output with low power consumption.