JST 4.00 mm PSI Series PCB Headers4.00 mm PSI series PCB header connectors for use in wire to board applications. These PSI series headers are fully shrouded and feature a locking mechanism for a secure mating connection. The single row versions have keying notches to prevent misalignment and mismating and are colour coded according to the keying type. The housings of these PSI PCB headers feature PCB pegs to help position the header and offer extra stability on the PCB.Features and Benefits• Locking mechanism for secure mating connection• Keying and colour coding to prevent mismating• Fully shrouded• Finger friendly design• PCB pegs for positioning and stabilityJST 4.00mm PSI Series Connector System