X252012MMB4SI-24

{
  "slug": "x252012mmb4si-24",
  "version": "0.1.0",
  "type": "component",
  "description": "Yangxing Tech Crystals, SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "x252012mmb4si-24",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "x252012mmb4si-24.step",
    "x252012mmb4si-24.lbr",
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    "viewers/symbol.html",
    "viewers/footprint.html",
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    "x252012mmb4si-24-hero.overlay.json",
    "x252012mmb4si-24-etched.glb"
  ],
  "component": {
    "mpn": "X252012MMB4SI-24",
    "manufacturer": "Yangxing Tech",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystals/Oscillators/Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f58059036e5ae78edf717ad32980fc32.pdf",
    "parts": {
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      "lbr": "x252012mmb4si-24.lbr"
    },
    "distributor_links": {
      "lcsc": "C2896601"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T08:06:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "XTAL1",
        "type": "passive",
        "description": "Crystal terminal 1 of the 12 MHz fundamental AT-cut crystal, 10 pF load capacitance, 150 Ω max ESR."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pad shown as GND in the crystal connection drawing, not connected to the crystal terminals."
      },
      {
        "number": "3",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal terminal 2 of the 12 MHz fundamental AT-cut crystal, 10 pF load capacitance, 150 Ω max ESR."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pad shown as GND in the crystal connection drawing, not connected to the crystal terminals."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels only #2 and #4 as GND in the Top View Crystal Connection drawing. #1 and #3 are",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.147,
        "at": "2026-10-21T08:02:57"
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        "pages": 5,
        "sha256": "3f37aae9426f44cc",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "refuses_to_fabricate": true
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