The DC Jack Socket Female Connector is a standard DC power connector designed for reliable power input connections in electronic and embedded projects. It features a 5.5mm outer diameter with a 2.1mm center pole, making it compatible with common DC wall adapters and power supplies. The connector provides stable electrical contact for low-voltage DC applications and is suitable for prototyping, DIY electronics, Arduino projects, and power distribution systems. Its compact design allows easy integration into custom enclosures and electronic assemblies.