The M50-3301042 is a 20-way 2-row Archer M50 Female IDC Connector with gold-plated phosphor bronze contacts, black PBT housing, 1.27mm pitch spacing and IDC/IDT termination. Polarized to prevent mismating. Secure cable retention with positive latching to header. Female IDC connector for use with 0.635mm pitch ribbon cable. Suitable for use with male vertical latching connectors. IDC contact for high speed termination.