Mating Interface and Contact Finish
The flash thickness (no specified minimum) suits moderate-duty applications such as periodic field servicing or bench testing. Contact material is copper alloy, and the square male pin shape (0.157" mating length, 0.098" post length) ensures a positive wipe with the receptacle contact.
Mounting and Housing Construction
Through-hole termination with a vertical orientation — the header stands upright on the board, and the 2.50 mm post length provides clearance for the solder fillet on the opposite side. A keying slot is present on the housing — this prevents mismating with receptacles that lack the corresponding key, a useful feature when multiple similar headers share a board.