Ultra-Low Profile Mezzanine Connector for Tight Stack Heights
The Hirose BM29B0.6-6DS/2-0.35V(51) is an 8-position receptacle from the BM29 series, designed for board-to-board mezzanine stacking where vertical space is at a premium. It carries a 0.014" (0.35mm) pitch across two rows, with a mated stack height of just 0.6mm — among the thinnest in the mezzanine connector class. The contact arrangement is split 6 signal positions plus 2 dedicated power contacts, a hybrid layout that handles both data and low-current power delivery through a single connector body.
Where the 0.35mm Pitch and 0.6mm Stack Fit
The 0.35mm pitch means the PCB land pattern is dense: you need a fine-pitch solder paste stencil and controlled reflow profile. The 0.6mm mated stack height forces the two PCBs to sit nearly flush, so board thickness and component keep-out zones on the underside must be planned from the start. The gold contact finish handles the limited mating cycles typical of a device that gets assembled once and stays mated for its service life.