L717SDE09PC309 is a 9-contact D-Sub connector featuring solder-cup termination and standard density (SD) configuration, designed for economical industrial, telecom, and general I/O connectivity applications. The connector incorporates a tin-plated steel shell with nickel underplating, brass contacts with gold mating surfaces, and a glass-filled thermoplastic insulator (UL 94V-0) that meets MIL C24308 standards. Key electrical specifications include a 5A current rating at 250V AC/rms, 1000V AC/rms withstanding voltage, and contact resistance of 20 mO maximum, with operating temperature range from -55°C to +125°C. The connector features precision-formed contacts with closed-entry cavities, a mating force of 3.05 kg maximum, and overall dimensions of 30.84 mm (A dimension) with a 3.05 mm rivet-based front mounting option. This RoHS-compliant connector is ideal for applications requiring reliable, cost-effective D-Sub connectivity in industrial and commercial environments.