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 offers solder contacts, while the PT-SE series provides high-performance crimp contacts, and the PT-CE series includes a commercial crimp option. These circular connectors support quick-disconnect bayonet coupling for rapid mating and unmating, along with multiple mounting styles and shell sizes, suitable for various electronic applications.