AMPLIMITE D-Sub Connector, HD-20 Series, Full Metal Shell, PCB Mount, Straight Posted AMPLIMITE HD-20 Series straight posted PCB mount D-Sub connectors with tin plated steel full metal shells and 94V-0 black thermoplastic inserts preloaded with size 20 DF posted brass pin contacts or phosphor bronze socket contacts with gold plating. For additional data please refer to table.