Q24FA20H00491

{
  "slug": "q24fa20h00491",
  "version": "0.1.0",
  "type": "component",
  "description": "Seiko Epson Crystals, SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "crystals-oscillators-resonators",
    "q24fa20h00491",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "q24fa20h00491.kicad_sym",
    "q24fa20h00491.kicad_mod",
    "q24fa20h00491.glb",
    "q24fa20h00491.step",
    "q24fa20h00491.lbr",
    "docs/hero.png",
    "docs/q24fa20h00491-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "q24fa20h00491-hero.glb",
    "q24fa20h00491-hero.overlay.json",
    "q24fa20h00491-etched.glb"
  ],
  "component": {
    "mpn": "Q24FA20H00491",
    "manufacturer": "Seiko Epson",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystals/Oscillators/Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d19d0620f977982f3a79d7862a85ae95.pdf",
    "parts": {
      "symbol": "q24fa20h00491.kicad_sym",
      "footprint": "q24fa20h00491.kicad_mod",
      "model_3d": "q24fa20h00491-hero.glb",
      "model_3d_plain": "q24fa20h00491-etched.glb",
      "model_3d_step": "q24fa20h00491-etched.step",
      "model_3d_step_plain": "q24fa20h00491.step",
      "lbr": "q24fa20h00491.lbr"
    },
    "distributor_links": {
      "lcsc": "C255953"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T18:51:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Xtal",
        "type": "passive",
        "description": "Crystal terminal (Xtal); isolation resistance of 500 MΩ min. at DC 100 V is specified between terminal #1 and terminal #3."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, connected to GND per the pin connection table."
      },
      {
        "number": "3",
        "name": "Xtal",
        "type": "passive",
        "description": "Crystal terminal (Xtal); isolation resistance of 500 MΩ min. at DC 100 V is specified between terminal #1 and terminal #3."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, connected to GND per the pin connection table."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet lists the part as Product No. Q24FA20H0049100 (model FA-20H, 2.5 x 2.0 mm); the requested ; Terminals #1 and #3 are both labelled 'Xtal' without distinguishing names; the crystal is non-polar,"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0476,
        "at": "2026-10-22T18:51:00"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d19d0620f977982f3a79d7862a85ae95.pdf",
        "pages": 7,
        "sha256": "cd63f92da317b021",
        "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": "q24fa20h00491.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2.0,
          0.83
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "q24fa20h00491-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2.0,
          0.83
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c27969c81910755f63f865ab74e91146369673720947083fb7aa4ae5b8a56729",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}