The 5555165-2 is a right-angle through-hole modular jack featuring 6 positions and 4 contacts, specifically designed for Cat 3 performance in data communications networks. This unshielded jack has a compact height of 12.7 mm with a tail length of 3.81 mm, providing a low-profile solution for PCB integration. The connector offers standard mounting without panel stops, LED indicators, or grounding options, making it an economical choice for voice and data applications. Commonly used in telecommunications equipment, routers, switches, and business communications devices, this jack provides reliable connectivity for standard network installations requiring Cat 3 performance specifications.