The 0901220154: It is a breakaway header — the pins are arranged in a single strip that can be snapped to length, though this variant is loaded with all 68 positions.
Through-hole right-angle mounting for board-edge routing
The header mounts through-hole, right-angle to the PCB. The solder tails are 0.114" (2.90 mm) long, and the mating pin length is 0.266" (6.75 mm). The housing is black polyester, glass-filled, rated UL94 V-0 for flammability.
