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