The 1633689-3 part of TE Connectivity is a standard size TXD female connector. This is a multi-port connector with metal mounting brackets and stainless steel screws. It has two USCAR-type contacts, with gold-plated terminals to ensure reliable connections, and features a positive locking mechanism for secure positioning. The 1633689-3 is rated for up to 4A and 50V AC/DC and is specifically designed for automotive and commercial applications, including engines, starter systems, generator motors, airbag systems, and other automotive electronics.