Amphenol DFR Series Flat Ribbon IDC D-Sub Socket Connector DFR Series IDC D-Sub receptacle connectors for use with standard 1.27mm flat cable. These DFR IDC ribbon cable d-sub socket connectors have a tin plated steel shell, a glass-filled thermoplastic UL 94V-0 insulator, gold flash plated IDC socket contacts and M3 screwlocks for front mounting. Typical applications for these female DFR flat ribbon cable d-sub connectors include industrial, telecom and any industry standard I/O applications. For mating DFR IDC D-Sub plug connectors see stock number 691-8998 typically.