Harwin M20-1180046 loose tin crimp contact

{
  "mpn": "M20-1180046",
  "reviewDate": "2026-10-11",
  "source": "https://www.harwin.com/products/M20-1180046",
  "drawing": "https://content.harwin.com/asset/d742d022-1905-41c8-b996-8feb2ed262c8/DRG-00379-Technical-Drawing-Datasheet-M20-118-pdf.pdf",
  "geometry": "Original nominal model generated by project tools/build_harwin_cable_assets.py; not downloaded vendor CAD",
  "scope": {
    "mpn": "M20-1180046",
    "status": "illustrative original model; not mating/crimp geometry",
    "dimensionsMm": {
      "nominalLength": 11.7,
      "drawingReferenceOverall": 12.04,
      "insulationWingWidth": 2.3,
      "insulationWingHeight": 2.6,
      "socketSection": [
        1.65,
        1.5
      ],
      "socketLength": 4.5
    },
    "wireAWG": [
      22,
      24,
      26,
      28,
      30
    ],
    "insulationDiameterMm": [
      0.9,
      1.6
    ],
    "stripLengthMm": [
      3,
      4
    ],
    "conductorCrimpHeightMm": {
      "26-30AWG": [
        0.69,
        0.75
      ],
      "22-24AWG": [
        0.83,
        0.89
      ]
    },
    "handTool": "Z20-320",
    "limitations": [
      "Model omits spring tongue, formed curves and retention latch.",
      "Not suitable to prove mating fit or crimp geometry.",
      "Loose uncrimped appearance differs from installed contact; create qualified installed variant separately.",
      "No copper footprint: cable termination only."
    ]
  },
  "visualReview": "Local STEP hero inspected: expected nominal housing/contact count, connected contact barrel representation after rejecting first draft; detailed mating surfaces unqualified",
  "wikiVisualReview": "pending; task browser closed by user",
  "assetRoles": {
    "symbol": "Harness documentation only; on_board=no",
    "footprint": "Mechanical-only envelope with zero copper pads, excluded from board BOM and placement",
    "mating_pcb_footprint": "Not applicable; contact inserts into a housing"
  },
  "heroOverlay": {
    "status": "not-applicable-copper",
    "toolResult": "no copper pads",
    "ownerIssue": "https://wiki.adom.inc/adom/component-hero/issues/1",
    "workaround": "Authored clean mechanical GLB, no fake electrical pads; separate mating PCB footprint where applicable"
  },
  "assetSha256": {
    "m20-1180046.glb": "d639381cc96fa7a6db60db98d19cff42a46b9a09aac6127370c7303cf64c2ec8",
    "m20-1180046-harness.kicad_sym": "ec20fe56d1dd5ab3ec69783d2ad25e524a527536b074c54f53aacc64b4b8af05",
    "m20-1180046.step": "fbd33adff437ad8c62fcdf3035694e83eb39665e291d1eb6a17b6c60af8e23c3",
    "m20-1180046-mechanical.kicad_mod": "27581afc9a8a90dfab331faa7c57e76d0b9a724f80862a1a7d7ee653616c6487"
  }
}