The 0.35mm pitch that sets the board-layer count
The Molex 5050701022 is the 10-circuit plug half of the SlimStack 505070 series, a board-to-board mezzanine interconnect built for the tightest z-height budgets. The 0.014" (0.35mm) pitch is the defining constraint here — it forces a high-density board layout, typically requiring micro-via or HDI layer construction to route the 10 signals out of the 2-row footprint. At this pitch, the escape routing density is what determines whether the design fits in two layers or needs four. The mated stack height of 0.6mm places this connector in the ultra-low-profile segment of the SlimStack family. The plug itself sits 0.019" (0.48mm) above the board after reflow, which leaves just 0.12mm of clearance between the two PCBs when mated — a dimension that governs component placement on the underside of the top board. No room for passives under the connector. For a mezzanine connector that mates once during assembly and stays mated for the life of the product, that is sufficient. If the design requires repeated board separation for field service, the thin gold will wear through after a handful of cycles — plan for a one-time mate.
Solder retention and pick-and-place readiness
The connector includes solder retention features and is packaged for pick-and-place assembly (Tape & Reel or Cut Tape). The surface-mount termination with solder retention means the part stays put during reflow without secondary adhesive — the retention pads on the body take the shear force from the nozzle placement. No through-hole anchors, so the joint relies entirely on the solder fillet for mechanical strength.
Active lifecycle — no LTB pressure
There is no last-time-buy notice or end-of-life window on record.