The M20-9721046 is a 10-contact, vertical PC tail pin header featuring a dual-in-line configuration with a 2.54mm pitch. It is constructed with brass pins that have a 100% tin over nickel finish, all housed within a high-temperature Nylon 6T UL94V-0 molding. Key electrical specifications include a current rating of 3A maximum, contact resistance of 30 mΩ maximum, and a dielectric strength of 750V AC/DC. This header is rated for 50 mating operations and is designed to perform reliably in a wide temperature range of -40°C to +105°C, making it suitable for various board-to-board connections in electronic assemblies.