The ESQ series from Samtec are PC/104 through hole elevated socket strips. It mates with Samtec TSW, MTSW, EW, MTLW, TSS, ZSS, TSM, DW, ZW, HW, TSSH and HTSS series of connectors. These are self nesting socket strips which has standard and low insertion force contacts with 0.025" (0.635mm) square tail. This connector has operating temperature range from -55°C to 125°C.