AMPLIMITE D-sub Connector, HD-20 Series, Front Metal Shell, PCB Mount, Straight Post AMPLIMITE HD-20 series straight posted PCB mount d-sub connectors with tin plated steel front shells, 94V-0 black thermoplastic housings and preloaded with size 20 DF posted brass pin contacts or phosphor bronze socket contacts with 0.00076 gold plating or gold flash and 3.18mm or 4.32mm post lengths. These AMPLIMITE HD-20 PCB mount straight post d-sub connectors are available with a variety of PCB retention types including brass threaded inserts and zinc screwlocks.