The Blue 5mm LED is a standard through-hole light-emitting diode designed for electronic indication, signaling, and visual display applications. It features a blue lens with a typical forward voltage of 5.0V and a rated forward current of 20mA for reliable low-power operation. The 5mm package provides easy integration with breadboards, PCB assemblies, and embedded systems. Suitable for prototyping, educational electronics, status indicators, and DIY projects.