15.0 µinch Gold Mating Finish — Signal-Duty Contact Interface
The 87606-804LF: The mating contacts carry 15.0 µinch (0.38 µm) gold over the phosphor bronze base. Gold on the mating face, tin on the post: a common split that keeps the contact interface reliable and the termination cost-effective.
UL94 V-0 Housing — Flame-Rated for Enclosed Equipment
The blue thermoplastic housing is glass-filled and rated UL94 V-0. That means it will self-extinguish within 10 seconds after a flame source is removed — a standard requirement for any connector inside a piece of equipment that must pass a flammability test. The housing material is stable across typical board-assembly temperatures.