5-103904-9 is a single-row latching header with hold-down feature, designed for the AMPMODU Mod IV interconnection system. This 9-position header features Plating A (duplex gold on contact area with matte tin on solder area over nickel) and operates on a 0.100 x 0.100 inch [2.54 x 2.54 mm] centerline. Key dimensions include A = 1.100 inch [27.94 mm], B = 1.020 inch [25.91 mm], and C = 0.900 inch [22.86 mm]. The housing is constructed from glass-filled thermoplastic with a black finish and UL 94V-0 flammability rating. This header is ideal for board-to-board and wire-to-board interconnection applications requiring secure latching connections.