L17DBFRDA25S is a 25-contact D-Sub flat ribbon cable socket connector designed for flat cable termination applications. It features stamped and formed brass contacts with selective gold plating in the mating area and tin plating on the termination area, housed in a steel shell with nickel plating and glass-filled thermoplastic insulator rated UL 94V-0. The connector is designed according to MIL C24308 specifications with a rear insert 4-40 mounting option, supporting 1.27mm (.05") flat ribbon cable. Electrical specifications include a current rating of 5A, voltage rating of 250V AC/rms 60Hz, and contact resistance of 20mO max. With an operating temperature range of -40°C to +125°C, this connector is suitable for industrial, telecom, and standard I/O connections in modern peripheral equipment.