The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density contact arrangements within a circular shell. The PT series provides solder contacts, while PT-SE offers high-performance crimp contacts, and PT-CE features a commercial crimp option. These circular connectors are designed with quick-disconnect bayonet coupling for easy mating and un mating, and they are available in various mounting styles and shell sizes.