The 72309-5044BLF is a Universal Serial Bus Type-A double-deck receptacle connector designed for cable-style applications with optional back shell and front grounding arms. This connector features a housing constructed from UL 94-V-O rated thermoplastic with copper alloy contacts and shell, providing robust electrical and mechanical performance. The terminal configuration includes 50 µm nickel underplate with 30 µm gold contact area and 100 µm matte tin tail area, with a 3.84 mm tail length for reliable soldering. Key dimensional specifications include a contact length of 2.8 mm, overall length of 13.62 mm, and recommended PCB board thickness of 1.57 mm. The connector is lead-free compliant and suitable for high-reliability USB interconnect applications in consumer electronics, industrial equipment, and data communication systems.