The 1658612-1 is a 37-way 2-row IDC Standard D-sub Receptacle for flat ribbon cable. It has gold-plated phosphor bronze contacts and 4-40 UNC threaded inserts. This Amplimite HDF-20 series low profile connector comes with tin-plated steel shell, thermoplastic housing and tin over nickel plated solder tail. It accepts 28 to 26AWG wire. UL94V-0 Flammability rating Number of Positions 37 Number of Rows 2 Shell Size, Connector Layout 4 (DC, C) Contact Type Signal Mounting Type Free Hanging (In-Line) Flange Feature Housing/Shell (Unthreaded) Termination IDC, Ribbon Cable Features Feed Through Shell Material, Finish Steel, Tin Plated Contact Finish Gold Contact Finish Thickness 30.0µin (0.76µm) Applications Industrial