L717SDB25PC309 is a high-density D-Sub solder-cup connector manufactured by Amphenol with 25 contacts (HD configuration) and a tinned steel shell with dimples for plug applications. The connector features brass contacts with selected gold plating in the mating area and tin plating on the termination area, along with a glass-filled thermoplastic insulator (UL 94V-0) for durability and reliability. It is rated for 3A current at 250V AC/rms 50Hz, with a withstanding voltage of 1000V AC/rms and insulation resistance of 1000MO at 500V DC, ensuring safe operation in industrial and telecom applications. The connector operates reliably across a temperature range of -55°C to +125°C and meets MIL C24308 standards. Its compact dimensions (53.04 mm × 47.04 mm shell size) and precision-formed contacts make it ideal for economical I/O connections in industrial, telecom, and standard commercial applications requiring robust signal transmission.