{
  "id": "cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs",
  "name": "MC-406 32.768K-A (CERN library)",
  "category": "timing",
  "family": "CERN Crystals & Oscillators",
  "manufacturer": "EPSON TOYOCOM",
  "mpn_pattern": "MC-406 32.768K-A",
  "description": "Load capacitance 12.5pF, Frequency Tolerance ±20 ppm, 40°C to 85°C, Surface Mount Quartz Crystal, MC-406 Series. Imported from the CERN KiCad library (CERN-OHL-P-2.0, (c) CERN); passed PartReel quality gates. Verified-2D part: upstream ships no 3D models.",
  "parameters": {
    "contacts": "4",
    "mounting": "SMD",
    "value": "32.768kHz"
  },
  "formats": [
    "kicad_mod",
    "kicad_sym"
  ],
  "files": {
    "footprint": "https://partreel.com/library/timing/cern/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs.kicad_mod",
    "symbol": "https://partreel.com/library/timing/cern/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs.kicad_sym",
    "footprint_svg": "https://partreel.com/library/timing/cern/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs.footprint.svg",
    "symbol_svg": "https://partreel.com/library/timing/cern/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs.symbol.svg"
  },
  "datasheet": "https://gitlab.com/ohwr/cern-kicad-libs/-/blob/master/SchLib/Crystals & Oscillators.kicad_sym",
  "license": "CERN-OHL-P-2.0",
  "verified": true,
  "tier": "verified-2d",
  "dimensions_source": "cern-kicad-libs@53054c17 (ICs And Semiconductors SMD.pretty/XTAL_EPSON_MC-406.kicad_mod)",
  "keywords": [
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    "load",
    "capacitance",
    "5pf",
    "frequency",
    "tolerance",
    "ppm"
  ],
  "field_reports": {
    "worked": 0,
    "problem": 0
  },
  "provenance": {
    "dimensions_source": "cern-kicad-libs@53054c17 (ICs And Semiconductors SMD.pretty/XTAL_EPSON_MC-406.kicad_mod)",
    "datasheet": "https://gitlab.com/ohwr/cern-kicad-libs/-/blob/master/SchLib/Crystals & Oscillators.kicad_sym",
    "generator_source": "https://github.com/mingyo186/partreel/blob/main/generators/import_cern.py",
    "quality_gates": {
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        "KLC drawing rules (silk/fab/courtyard/pin1)",
        "check_overlap (text collisions)",
        "check_render (files/SVG-vs-source/meta completeness)",
        "check_zfight (3D coplanar faces, merged pins)",
        "validate_step (FreeCAD kernel isValid)"
      ],
      "enforcement": "CI runs all gates on every push and blocks deployment on any failure",
      "ci_config": "https://github.com/mingyo186/partreel/blob/main/.github/workflows/deploy.yml"
    },
    "field_reports": {
      "worked": 0,
      "problem": 0
    },
    "origin": "imported",
    "import": {
      "source_repo": "https://gitlab.com/ohwr/cern-kicad-libs",
      "source_commit": "53054c17",
      "source_files": {
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        "symbol": "SchLib/Crystals & Oscillators.kicad_sym#Quartz Crystal 1X 2-3NC 4X",
        "footprint": "PcbLib/ICs And Semiconductors SMD.pretty/XTAL_EPSON_MC-406.kicad_mod"
      },
      "attribution": "CERN (kicad-dev@cern.ch), CERN-OHL-P-2.0",
      "import_date": "2026-07-05",
      "modifications": [
        "extracted single symbol from library",
        "stripped dead 3D model reference (upstream ships no 3D)"
      ]
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  },
  "page": "https://partreel.com/p/cern_xtal_32_768khz_epson_mc_406_32_768k_a3_rohs/",
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}