The 98414-S04-20UA08LF: Solder termination to the board through the 0.079" (2.00mm) post length — the through-hole mount anchors the header for repeated mating cycles. The 4-wall shroud and integral latch holder protect the pins and retain the mating connector.
19 of 20 positions loaded
This header carries 20 positions in two rows but loads only 19 contacts — position 1 is vacant. The keying slot at the unloaded position prevents mis-mating with a fully populated receptacle.