SAMTEC Samtec board connection socket SS4 series

Specification
Number of Contacts: 100, Number of Rows: 2, Pitch: 0.4mm, Type: Board-to-Board, Mounting Type: Surface Mount, Body Orientation: Straight, Termination Method: Solder, Current Rating: 1.3A, Series: SS4, Contact Material: Phosphate Copper, Extra-Fine 0.4mm Pitch, Low-Profile Socket Strip. SS4 Series: This is an extra-fine 0.4mm pitch, low-profile, double-row, board-to-board socket strip. It features a slim body design for tight board spacing. This SMT extra-fine 0.4mm pitch, low-profile socket strip is constructed of phosphor bronze with Razor BeamTM contacts, black LCP insulators, 0.25μm gold-plated contacts, and matte tin-plated tails, making it ideal for high-speed, heavy-duty applications. It features a 3.50mm contact swipe and polarization with undercut retention notches for increased mating force. Part numbers SS4-xx-3.00-xxx-xx have a height from the board of 3.50mm. Part number SS4-xx-3.50-xxx-xx has a height of 4.00 mm from the board.