JST BM04B-GHS-TBT four-position top-entry SMT header

{
  "slug": "bm04b-ghs-tbt",
  "type": "hardware",
  "kind": "component",
  "version": "0.1.0",
  "title": "JST BM04B-GHS-TBT four-position top-entry SMT header",
  "description": "JST GH 1.25 mm, four-position top-entry SMT header. Native library assets with explicit nominal geometry provenance.",
  "brief": "Four-position GH top-entry SMT header; physical mating and crimp qualification pending.",
  "license": "MIT AND CC-BY-SA-4.0",
  "tags": [
    "JST",
    "GH",
    "connector",
    "1.25mm"
  ],
  "hero": {
    "type": "image",
    "path": "hero.png"
  },
  "source": {
    "name": "JST",
    "url": "https://www.jst-mfg.com/product/pdf/eng/eGH.pdf"
  },
  "component": {
    "mpn": "BM04B-GHS-TBT",
    "manufacturer": "JST",
    "package": "top-entry SMT header",
    "pin_count": 4,
    "category": "Connectors",
    "datasheet": "https://www.jst-mfg.com/product/pdf/eng/eGH.pdf",
    "wiki_url": "https://wiki.adom.inc/adom/bm04b-ghs-tbt",
    "parts": {
      "symbol": "bm04b-ghs-tbt.kicad_sym",
      "footprint": "bm04b-ghs-tbt.kicad_mod",
      "step": "bm04b-ghs-tbt.step",
      "model_3d": "bm04b-ghs-tbt-hero.glb",
      "model_3d_plain": "bm04b-ghs-tbt.glb",
      "model_3d_step": "bm04b-ghs-tbt.step"
    },
    "distributor_links": {
      "mouser": "306-BM04BGHSTBTLFSNN"
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "GH contact position; verify mating face and polarity"
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "GH contact position; verify mating face and polarity"
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "GH contact position; verify mating face and polarity"
      },
      {
        "number": "4",
        "name": "4",
        "type": "passive",
        "description": "GH contact position; verify mating face and polarity"
      }
    ],
    "assetRoles": {
      "symbol": "Four passive contact positions",
      "footprint": "SMT signal pads1-4 and unnetted MP retention tabs"
    },
    "qualification": {
      "status": "provisional",
      "model": "KiCad stock nominal library model; not manufacturer CAD",
      "matingAndCrimp": "Not qualified"
    }
  },
  "discovery_triggers": [
    "BM04B-GHS-TBT",
    "JST GH four pin top-entry SMT header"
  ]
}