The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density circular shell designs. The PT series connectors utilize solder contacts, while the PT-SE series offers high-performance crimp contacts. The PT-CE series provides a commercial crimp option. These connectors are designed for quick-disconnect bayonet coupling, enabling rapid mating and unmating, and are available in various mounting styles and shell sizes.