104550-8 is a 60-position fine pitch SMT stacking connector designed for parallel board-to-board interconnections. This double row vertical surface-mount receptacle features 0.050" (1.27mm) center spacing and dimensions of A: 1.544" (39.22mm), B: 1.450" (36.83mm), and C: 1.650" (41.91mm). The housing is constructed from glass-lined black thermoplastic rated 94V-0, while contacts are phosphor bronze with gold plating (0.00030") in the mating area and tin-lead on solder tails over nickel underplating. This connector is ideal for compact electronic assemblies requiring reliable board-to-board connections in applications such as telecommunications, computing, and industrial control systems.