# CR0402-FX-5601GLF: MPN laser etch pass (2026-09-30)

John: chip-laser-etch every component we put on the wiki; the best STEP, with the etch, is the default.

## Files

- `CR0402-FX-5601GLF.step`: now the etched model: the page STEP unchanged (same frame, colours, names) plus one flat `laser_etch` part, the virtual MPN on the top face, seated on the body. Default.
- `CR0402-FX-5601GLF-unetched.step` (new): the STEP this page shipped before, byte for byte. Optional.
- `CR0402-FX-5601GLF.glb`, `CR0402-FX-5601GLF.insertion.glb`: only the part mesh swapped for the step2glb conversion of the etched STEP; board, pads, solder, silk, node names and the insertion animation kept (keyframes identical). The mark is a child node `Adom.LaserEtch.MPN` of the part node.
- `cr0402-fx-5601glf-hero.glb` (new): etched part plus footprint reference art (teal dashed pad outlines 50 %, silkscreen 30 %, pad labels 50 %), the reviewed hero proposal.
- `screenshots/hero.png`: the hero card in the shared basic-part layout (COMPONENT kicker, title, MPN, spec, manufacturer, ADOM BASIC PART pill), etched part only.
- `page.json` `component.parts`: `step` / `model_3d_step` = `CR0402-FX-5601GLF.step`, `model_3d_step_plain` = `CR0402-FX-5601GLF-unetched.step`, `model_3d` = `cr0402-fx-5601glf-hero.glb`, `model_3d_plain` = `CR0402-FX-5601GLF.glb`; `viewer_3d.tooltips: authored`.
- `README.md` Downloads: etched STEP (default), unetched STEP (optional), hero GLB rows.
- `CR0402-FX-5601GLF-fpview.html`: Solder button tooltip reworded ("250µm solder jet blobs for paste jetting at the 3rd party fab, which uses this placement data for its jetting sequence."), as on the LED pages.
- `provenance/`: pass provenance (hashes, sources, triangle counts), the hero provenance and pin map from the proposal, and the scripts used.

## GLBs

| File | Triangles before | after | Bytes before | after |
|---|---|---|---|---|
| `CR0402-FX-5601GLF.glb` | 244 | 490 | 19888 | 20648 |
| `CR0402-FX-5601GLF.insertion.glb` | 1200 | 1446 | 54344 | 42324 |
| `cr0402-fx-5601glf-hero.glb` (new) | | 490 | | 46872 |

## Worth knowing

- MPN is 17 characters on a 1.0 mm part: the service font is 0.054 mm tall. Readable in the hero PNG and when zoomed; on the page viewer at default zoom it will look like a thin line.
- All six CR0402 pages share the identical KiCad R_0402 model; only the mark differs.

# CR0402-FX-5601GLF: footprint, hover and README pass (2026-10-03)

John: footprints follow the manufacturer's land pattern; README.md replaces README.html; the assembly animation moves to a sub-readme.

- Footprint: redrawn. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout). Pads 0.475 x 0.5 mm, centre to centre 1.025 mm, corner radius 0.1 mm.
- Rebuilt from the footprint: `CR0402-FX-5601GLF-fpview.html` (and the lbr-hover bus on both viewers), `CR0402-FX-5601GLF.lbr`, `CR0402-FX-5601GLF.adom-lbr.json`, the hero GLB, and the pads / solder / silk in `CR0402-FX-5601GLF.insertion.glb`.
- Etched STEP: kept.
- README.html removed (it repeated the native Symbol & Footprint viewers); README.md rewritten; `docs/assembly.md` + `docs/assembly.html` carry the pick-and-place animation; `docs/datasheet.md` the datasheet pages.
- New: `CR0402-FX-5601GLF-outline.kicad_sym`, `artwork/CR0402-FX-5601GLF-3d-outline-blueprint-named.svg`, `artwork/CR0402-FX-5601GLF-3d-outline-dark-named.svg`, `artwork/CR0402-FX-5601GLF-3d-outline-ink-heavy-named.svg`, `artwork/CR0402-FX-5601GLF-3d-outline-teal-named.svg`, `artwork/CR0402-FX-5601GLF-thumbs.json`, `cr0402-fx-5601glf-hero.overlay.json`, `docs/assembly.html`, `docs/assembly.md`, `docs/datasheet.md`, `footprint-variants/CR0402-FX-5601GLF-RR25.kicad_mod`, `footprint-variants/CR0402-FX-5601GLF-SQ.kicad_mod`, `footprint-variants/CR0402-FX-5601GLF.kicad_mod`, `footprint-variants/CR0402-FX-5601GLF.variants.json`
- Removed: `README.html`