The Amphenol PT series connectors, including PT-SE and PT-CE variants, are high-density circular connectors compliant with MIL-DTL-26482 Series I standards. They feature a quick-disconnect bayonet coupling mechanism for rapid mating and unmating. The PT-SE series offers high-performance crimp contacts, while the PT-CE series provides a commercial crimp option. These connectors come in various mounting styles and shell sizes, with the PT series offering solder contacts.