Norcomp Right Angle D-Sub Connector 25 Contacts, 2.77 mm Pitch, Through Hole, Steel Housing, 5A, 1kV, DA-25 178-025-513R491

Norcomp 178-025-513R491 is a right angle D-sub connector designed for demanding industrial and electronic applications. This connector is equipped with 25 contacts, supporting both DA-25 (female) and DB-25 (male) shell sizes for compatibility across a variety of computing and communication interfaces. Its 2.77 mm pitch and through hole mounting make it an ideal solution for PCBs requiring reliable and secure connectivity.

The connector features a steel housing with nickel plating, offering enhanced electromagnetic shielding and robust mechanical protection. The contact pins are stamped from brass and plated with gold flash, maximizing conductivity and corrosion resistance for long-term performance.

With a current rating of 5A and voltage rating of 1kV, Norcomp 178-025-513R491 can be deployed in high-performance circuits for signal and power transmission. Its 4-40 board lock mounting hardware ensures mechanical stability during assembly and operation, preventing accidental disconnection or vibration-related failures. The solder termination type allows for durable bonds to the PCB, supporting repeated insertions and removals where required.

This connector uses glass-filled thermoplastic insulator able to withstand processing temperatures up to 260°C, ensuring longevity under intensive assembly processes. The operational temperature range from -55°C to 105°C enables usage in environments subject to wide temperature variations. The product is fully RoHS compliant, aligning with international standards for restricted hazardous substances in electronic manufacturing.

Norcomp’s dual-port D-subs, including the 178-025-513R491, are available in multiple densities and are widely used for stacking on PCBs to maximize board space. The nickel-plated shell provides integrated ground indents for improved grounding and retention, further optimizing signal integrity and connector reliability. This model is fully intermateable with other industry-standard D-sub connectors, supporting both industrial and computing applications including networking equipment, instrumentation, and peripheral interfaces.

Engineered for reliability, mechanical security, and excellent electrical properties, Norcomp 178-025-513R491 is suitable for industrial electronics manufacturing, laboratory, and computing sectors requiring robust data and power connections.

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