Position count and footprint across the series
Within the AMPMODU Mod II 146281 base series the 9-146281-0-24's 24 positions sit between the 20-position 9-146281-0-20 and the 30-position 9-146281-0-30 — the 0.100" pitch, through-hole footprint, and gold/tin contact finish are shared across the series, so match the position count to circuit count.
