Mates with ERF8 Series Sockets, see stock number ; 766-8868 766-8868 typical. ERM8 Series Rugged High Speed Headers Style 5. These Board to Board ERM8 Series, SMT, 0.8 mm pitch high speed Headers from Samtec have 0.76 m Gold plating on the robust Edge Rate contacts and Tin on the PCB tails. This Board-to-Board range of ERM8 Series, SMT, 0.8 mm pitch high speed Style 5 Headers have an overall board height of 8.91 mm with a wafer height of 4.61 mm. Insulator material: Black LCP Operating temperature: -55 125 °C