# Pin header

A through-hole pin header, straight or right-angle. Right-angle: the tails and second row go along -Y, the posts along +Y, and the insulator stands on the XY plane.

Straight: Pin 1 is at the origin, the row runs along +X and the second row along +Y. The insulator's underside is on the XY plane, the mating posts point up and the tails go down through the board.

## Source

- 2.54 mm: Samtec TSW/HTSW catalogue page (F-226), <https://suddendocs.samtec.com/catalog_english/tsw_th.pdf>, lead style -07: post above the insulator C 5.84, tail B 2.54, overall A 10.92, so the insulator is 2.54 high. Width 2.48 (one row), 5.02 (two rows). Post .025 in square, 0.64 mm.
- 2.54 mm right-angle: the same TSW/HTSW catalogue page, lead style -08-RA: post out from the insulator C 5.84, tail below the insulator E 2.29, tail to the insulator D 1.52, insulator height 3.02 (one row) and 5.56 (two rows).
- 2.00 mm: Samtec TMM catalogue page (F-226), <https://suddendocs.samtec.com/catalog_english/tmm_th.pdf>, lead style -02: C 3.00, B 3.70, A 8.20, insulator 1.50. Width 1.97 and 3.94.

Other headers of the same pitch differ in post and tail length, so check the one you buy.

**Proportions, for looks only:** the V notches between pins, the 2.00 mm post size of 0.50 mm, which that page doesn't print, and the right-angle insulator's depth, taken as the straight header's 2.54.

2.00 mm right-angle, surface-mount, 1.27 mm and 1.00 mm headers aren't here yet; see `COVERAGE.md`.