Samtec SSM Series Straight Surface PCB Socket, 40-Contact, 2 Row, 2.54 mm Pitch Solder

SSM series board to board PCB surface mount box style socket strips with a 2.54mm pitch available in single or double row configurations and vertical or horizontal body orientation. The body of these SSM series board-to-board SMT box socket strips is made from black liquid crystal polymer and the contacts are made from phosphor bronze with a 0.25μm gold plating on the contact and matte tin on the tail. The temperature range at which these PCB board to board socket strips can be used is -55 to +125°C.
Part numbers SSM-XXX-X SH are single row, horizontal mount.
Part numbers SSM-XXX-X SV are single row, vertical mount.
Part numbers SSM-XXX-X DH are double row, horizontal mount.
Part numbers SSM-XXX-X DV are double row, vertical mount.