The Amphenol PT series connectors, including the PT-SE series, are high-density circular connectors based on MIL-DTL-26482 Series I specifications. They are available with different contact options: solder contacts for the PT series, high-performance crimp contacts for the PT-SE series, and commercial crimp contacts for the PT-CE series. These connectors feature a quick-disconnect bayonet coupling mechanism for easy mating and un-mating, and are offered in various mounting styles and shell sizes, making them suitable for a range of applications.