The 55510-120TRLF is a 4.5 mm top-entry surface-mount connector assembly manufactured by Amphenol FCI, part of the LPVCC product family. This connector features a 2×6 position configuration (12 total positions) with a tape and reel packaging format including a pick-up cap. The assembly is designed for lead-free (LF) applications and meets reflow oven specifications, withstanding exposure to 255°C peak temperature for 10 seconds in convection, infra-red, or vapor phase reflow processes. The connector offers multiple plating options over the contact area, including gold and matte tin finishes, with dimensional specifications including a DIM. A of 10.00 mm (0.394 inches) and DIM. B of 11.92 mm (0.469 inches). This product is ideal for high-density interconnect applications in consumer electronics, telecommunications, and industrial equipment where reliable surface-mount connectivity is required.