The 5 A per-contact current rating at 110 V gives enough headroom for mixed signal and moderate power duty, while the 30.0 µin (0.76 µm) gold plating on the mating surface handles repeated connect-disconnect cycles without fretting corrosion. Through-hole solder termination keeps the mechanical anchor solid during assembly and rework.
The 0.100" pitch is the main footprint driver — each pin lands on a 2.54 mm grid, and the dual-row layout with 0.100" row spacing means the board pattern is the same as a standard DIP IC footprint. The 5 A per-contact rating is derated from the temperature rise of the phosphor bronze contact in the UL94 V-0 black housing — at full load across all 26 circuits, the total current through the header sums to 130 A, but the practical limit is the PCB trace width on the board side.