The 178-025-513R571 is a dual-port, stacked D-Sub connector featuring a 25-position, female-over-female configuration. Designed for right-angle PCB mounting, it includes 4-40 stand-offs and board locks for secure installation. The connector is constructed with a steel, nickel-plated shell, brass contacts with gold flash plating, and a high-temperature UL 94V-0 rated PA9T insulator. It has a current rating of 5 amps, a dielectric strength of 1,000VAC RMS, and is rated for operation between -55°C and 105°C. This RoHS compliant connector is ideal for applications requiring multiple I/O ports in a compact footprint.