main
Ray Publish 0.1.0 dc2870c 16d ago
{
  "slug": "q22fa12800078",
  "version": "0.1.0",
  "type": "component",
  "description": "Seiko Epson Crystals, SMD2016-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "crystals, oscillators, resonators",
    "q22fa12800078",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "q22fa12800078.kicad_sym",
    "q22fa12800078.kicad_mod",
    "q22fa12800078.glb",
    "q22fa12800078.step",
    "q22fa12800078.lbr",
    "docs/hero.png",
    "docs/q22fa12800078-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "q22fa12800078-hero.glb",
    "q22fa12800078-hero.overlay.json",
    "q22fa12800078-etched.glb"
  ],
  "component": {
    "mpn": "Q22FA12800078",
    "manufacturer": "Seiko Epson",
    "package": "SMD2016-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911038746005504",
    "parts": {
      "symbol": "q22fa12800078.kicad_sym",
      "footprint": "q22fa12800078.kicad_mod",
      "model_3d": "q22fa12800078-hero.glb",
      "model_3d_plain": "q22fa12800078-etched.glb",
      "model_3d_step": "q22fa12800078-etched.step",
      "model_3d_step_plain": "q22fa12800078.step",
      "lbr": "q22fa12800078.lbr"
    },
    "distributor_links": {
      "lcsc": "C255897"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T10:52:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "#1",
        "type": "passive",
        "description": "Terminal #1 of the 4-terminal crystal unit; the datasheet's internal connection diagram shows it but does not state its electrical function."
      },
      {
        "number": "2",
        "name": "#2",
        "type": "power_in",
        "description": "Connected to the metal cover; the datasheet says to connect this pin to ground."
      },
      {
        "number": "3",
        "name": "#3",
        "type": "passive",
        "description": "Terminal #3 of the 4-terminal crystal unit; the datasheet's internal connection diagram shows it but does not state its electrical function."
      },
      {
        "number": "4",
        "name": "#4",
        "type": "power_in",
        "description": "Connected to the metal cover; the datasheet says to connect this pin to ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not name the package 'SMD2016-4P'. It only gives external dimensions of 2.0 × 1.6; The datasheet does not state the electrical function of terminals #1 and #3. They are typed 'passive; Pins #2 and #4 are typed power_in because the datasheet says they must be connected to ground. Their"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0253,
        "at": "2026-10-15T10:52:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911038746005504",
        "pages": 2,
        "sha256": "a91456ca834720cd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "q22fa12800078.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.6,
          0.93
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "eea7262e5781943394ac3ed4f9d076ea60a9856fdf5911f6ab502d1fcc1b0836",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "q22fa12800078-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.6,
          0.93
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f5cacd6db1df7da9696f0d4baed63264f472d8c43352975b0b9dbdd12dc5988c",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}