The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) feature high-density circular shells designed for reliable electrical connections. The PT series offers solder contacts, while the PT-SE series provides high-performance crimp contacts, and the PT-CE series features commercial crimp options. These connectors utilize a quick-disconnect bayonet coupling system for fast mating and un-mating, and come in various mounting styles and shell sizes suitable for different applications.