AMPMODU MOD II standard single row PCB mount unshrouded headers with a 2.54mm centreline and 0.64mm square
straight post. These AMPMODU MOD II standard unshrouded headers have 94V-0 rated black thermoplastic housings and a choice of contact platings:
Part numbers 87220-X have 0.00076 μm gold plating on the contact area
Part numbers 87224-X have 0.00038 μm gold plating on the contact area

2.54mm TE Connectivity AMPMODU Mod II Interconnect System

The AMPMODU Interconnect system is the signal standard for automation and control applications and is both reliable and economical. The AMPMODU Interconnect system consists of board to board, wire to board and wire to wire connectors with a compact design. When combined, these connectors can be used in a wide variety of industrial applications and systems