The DF17(2.0)-40DP-0.5V(57) from Hirose is surface mount header with outer shroud contacts, board guide and solder retention. This header has 40 positions, 2 rows and 0.020" (0.50mm) pitch. Stacking height 5mm, 6mm. The DF17(2.0)-40DP-0.5V(57) is made of white polyamide insulator, tin-lead plated phosphor copper solder tab and gold plated phosphor copper contacts. Operating temperature range is from -35°C to 85°C.