main
Ray Set visibility: public 73c5614 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "fc4sdcbmm25-0-t1",
  "title": "FC4SDCBMM25.0-T1",
  "brief": "Fox Crystals, HC-49S-SMD. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "crystals, oscillators, resonators",
    "fc4sdcbmm25.0-t1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FC4SDCBMM25.0-T1",
    "manufacturer": "Fox",
    "package": "HC-49S-SMD",
    "pin_count": 2,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600793312466767872",
    "parts": {
      "symbol": "fc4sdcbmm25-0-t1.kicad_sym",
      "footprint": "fc4sdcbmm25-0-t1.kicad_mod",
      "model_3d": "fc4sdcbmm25-0-t1-hero.glb",
      "model_3d_plain": "fc4sdcbmm25-0-t1-etched.glb",
      "model_3d_step": "fc4sdcbmm25-0-t1-etched.step",
      "model_3d_step_plain": "fc4sdcbmm25-0-t1.step",
      "lbr": "fc4sdcbmm25-0-t1.lbr"
    },
    "distributor_links": {
      "lcsc": "C6619244",
      "digikey": "631-FC4SDCBMM25.0-T1TR-ND",
      "mouser": "559-FC4SDCBMM25.0-T1"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T15:56:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "631-FC4SDCBMM25.0-T1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "559-FC4SDCBMM25.0-T1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of a two-terminal crystal; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of a two-terminal crystal; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "crystal numbering",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": null,
        "cost_usd": 0,
        "at": "2026-10-15T15:56:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600793312466767872",
        "pages": 2,
        "sha256": "",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fc4sdcbmm25-0-t1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.5,
          4.65,
          4
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd38aecf8628f7c874854f509a085f8692ce3b6264ab09ced3b167e99ad5eb5e",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fc4sdcbmm25-0-t1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.5,
          4.65,
          4
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e3b9a7a002f33f183aefb19c863e90ded6cb4bc5ccedc24e2b9efb447ff68a67",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Fox",
      "Package": "HC-49S-SMD",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "",
      "rows": [
        {
          "name": "Frequency tolerance @ 25°C (option C)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "@ 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability, ref 25°C, over operating temp range (option B)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Ref 25°C; over operating temp range -40°C to +85°C (option M)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Aging per year",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "@ 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Shunt capacitance",
          "symbol": "CO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max ESR (fundamental)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Fundamental mode, >20.000 ~ 40.000 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drive level",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (TOPR)",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Option M = -40 to +85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range (TSTG)",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds x 2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency range",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 3.2,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "Frequency code 25.0 in MPN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Load code M = 20pF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drive level (typical)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µW",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fc4sdcbmm25.0-t1"
  ],
  "discovery_pitch": "FC4SDCBMM25.0-T1 (Fox) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fc4sdcbmm25-0-t1.kicad_sym",
    "fc4sdcbmm25-0-t1.kicad_mod",
    "fc4sdcbmm25-0-t1.glb",
    "fc4sdcbmm25-0-t1.step",
    "fc4sdcbmm25-0-t1.lbr",
    "docs/hero.png",
    "docs/fc4sdcbmm25-0-t1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fc4sdcbmm25-0-t1-hero.glb",
    "fc4sdcbmm25-0-t1-hero.overlay.json",
    "fc4sdcbmm25-0-t1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}