How it mounts and orients
The 68022-212HLF: This is a through-hole right-angle part — the header sits flat on the PCB and the mating interface projects horizontally from the board edge. The 0.240" (6.10 mm) insulation height and 0.110" (2.79 mm) post length set the board engagement depth; the 0.318" (8.08 mm) mating length defines how far the receptacle housing sits over the pins when fully seated. The square pin shape suits wave or reflow soldering equally. Fastening is push-pull — the header pins locate into the receptacle housing without a screw-lock or latch, so the pair relies on normal insertion force for retention. In vibration-heavy environments the mechanical security of the mated pair should be verified against the end-use conditions.
Ratings that drive selection
At 5 A per circuit the 68022-212HLF sits at the upper end of the 0.100" pitch signal-header class — enough for power-over-DIO or low-level motor drive, but the 110 V rating limits it to secondary power and control signal paths rather than mains-adjacent work. The 15.0 µin gold plating on the mating interface supports a higher mating-cycle count than tin-plated alternatives, so reconnection duty is less of a constraint. UL94 V-0 flammability rating covers the housing material for industrial control panel environments where flame retardance is a code requirement.
Where it fits
The 0.100" pitch dual-row footprint is industry-standard across multiple suppliers — this makes the 68022-212HLF a candidate wherever a board-to-board or board-to-wire interconnection at signal densities is already designed in. The unshrouded header leaves the row pitch open, so it pairs with any matching 2-row receptacle that shares the 0.100" grid and pin count. Confirm the receptacle locking mechanism and keying before committing — push-pull retention is not self-locking under shock.