Samtec EHF Series 1.27mm Shrouded IDC PCB Ejector Headers EHF series 1.27mm pitch shrouded double row PCB IDC headers with polarizing notch for accurate mating, ejector latches and gold plated contacts. These EHF series 1.27mm PCB ejector headers are available as right angle PCB through hole mounting or PCB SMT mount with up to 50 contacts. For mating connectors see FFSD (without strain relief) and FFTP series IDC socket cable assemblies.