The 104078-1 is a vertical thru-hole receptacle connector designed for System 50 board-to-board interconnections in computer industry applications. It features a double row configuration with high-density contacts spaced on 0.050 x 0.100 inch (1.27 x 2.54 mm) centers, providing reliable signal transmission in compact layouts. The connector housing is constructed from thermoplastic material rated 94V-0, with beryllium copper contacts plated with gold on the mating end and bright tin-lead on the termination end, ensuring excellent conductivity and corrosion resistance. Standoffs are integrated for ease of cleaning and assembly. This connector is commonly used in personal computer systems and other digital equipment requiring robust board-to-board connections with high reliability and ease of maintenance.