in brief
This part is a TE Connectivity 0.050" Receptacle, Tin Plated, 18-24 AWG Wire, 4-Position, Connector IDC type, Header. It is a crimp-style interconnect used in the mating of wire-to-board connections. It is shielded and features a polarizing key, which helps ensure proper mating of the device. It is rated up to 1.5A, 300V and meets a wide range of industry standards. It is designed for high-density applications, as well as quick installation with minimal soldering.