28-Position Mezzanine Plug for 30mm Board Spacing
The TE Connectivity 1-1658020-1 is a 28-position plug from the MICTOR SB series, designed as a plug with outer shroud contacts for board-to-board mezzanine stacking. It sits on a 0.031" (0.80mm) pitch in two rows and mates at a fixed 30mm stack height — a tight z-budget for parallel PCB assemblies in servers, switches, or test equipment where signal density and repeatable mating height matter.
Board Guide and Ground Plane
This plug includes a board guide and a ground bus (plane) — the guide aligns the two PCBs during mating to protect the fine-pitch contacts from stubbing, and the ground plane provides a low-inductance return path across the mated pair.
Listed as Active in production.