The Amphenol PT series connectors, including the PT-SE series, are high-density circular connectors conforming to MIL-DTL-26482 Series I standards. They feature a quick-disconnect bayonet coupling for easy mating and un-mating, with multiple mounting styles and shell sizes. The PT series offers solder contacts, while the PT-SE series provides high-performance crimp contacts. The PT-CE variant is available with a commercial crimp option.