5-position, 5.08mm pitch, right-angle header for terminal block systems
The 1776038-5: This is a 5-position, single-row shrouded header from the TE Buchanan series, pitched at 0.200" (5.08mm) and terminated through-hole with a right-angle orientation. It carries a UL-rated 15 A at 300 V, with tin-plated mating contacts and a UL94 V-0 black housing rated for -40°C to 110°C.
What the 15 A rating means for your board
The 15 A per-contact rating at 300 V is high for a 5.08mm pitch header — it's designed for power distribution within a terminal block system, not signal-level duty.