Board-to-Board Fit: 6 Positions, 2.54 mm Pitch, 10.81 mm Stack
The 91615-403LF: The bottom or top entry design means the same part works for mezzanine stacking or as a right-angle board-edge connector, depending on the header orientation.
Dubox Series: Tin-Plated Socket Contacts, Phosphor Bronze
Part of the Dubox™ series — a standard-density board-to-board family with female socket contacts that mate with square-pin headers. The contacts are phosphor bronze, a spring alloy that holds contact force over repeated mating cycles. Tin is a cost-effective finish for moderate-cycle applications; it's rated for fewer mating cycles than gold but is suitable for harnesses that mate a few times in the product life. The housing is glass-filled thermoplastic rated UL94 V-0 — the highest flame-retardant grade for connectors inside equipment enclosures where flammability is a safety requirement.
Applications and Compliance: Automotive to Telecom
Packaged in tube for SMT pick-and-place. Confirm the mating header's pin length and orientation — the 10.81 mm stack height assumes a matching Dubox header with the same mated height.