main
Ray Set visibility: public 34a5f46 13h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "7u12000e12ucg",
  "title": "7U12000E12UCG",
  "brief": "SJK(SHENZHEN CRYSTAL TECH) Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "crystals-oscillators-resonators",
    "7u12000e12ucg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "7U12000E12UCG",
    "manufacturer": "SJK(SHENZHEN CRYSTAL TECH)",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystals/Oscillators/Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ef19630f2cfcf95f86b53918a7ee05e4.pdf",
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      "model_3d_plain": "7u12000e12ucg-etched.glb",
      "model_3d_step": "7u12000e12ucg-etched.step",
      "model_3d_step_plain": "7u12000e12ucg.step",
      "lbr": "7u12000e12ucg.lbr"
    },
    "distributor_links": {
      "lcsc": "C251605"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T08:11:09Z",
      "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, connected to one side of the quartz resonator (pad 1 is the chamfered pad) with 12.0 pF load capacitance specified."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Marked GND in the crystal connection drawing; this pad is tied to ground (lid/case)."
      },
      {
        "number": "3",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal terminal 2, connected to the other side of the quartz resonator, with 12.0 pF load capacitance specified."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Marked GND in the crystal connection drawing; this pad is tied to ground (lid/case)."
      }
    ],
    "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: Drawing shows the resonator connected diagonally between pads 1 and 3, with pads 2 and 4 labeled GND",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1485,
        "at": "2026-10-21T08:06:16"
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        "pages": 4,
        "sha256": "86a2a8c1377a8db2",
        "source_tier": "lcsc"
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      "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"
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        "file": "7u12000e12ucg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "d2a89df82ee5f0f56ef23ee59c8161b8d4e92af2b21959d72778316dde3f9f22",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "7u12000e12ucg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
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        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SJK(SHENZHEN CRYSTAL TECH)",
      "Package": "SMD3225-4P",
      "Category": "Crystals/Oscillators/Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "86a2a8c1377a8db2cbab9b2704e601aff732495ceaf36023513ac0fe9eabc209",
      "rows": [
        {
          "name": "Shunt capacitance (C0)",
          "symbol": "C0",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Equivalent Series Resistance (ESR)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "at 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability over operating temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "-20 °C to +70 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability over operating temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "-40 °C to +85 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Aging",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm/year",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "@25°C 1st year",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output frequency (nominal)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "Output frequency range / center frequency",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver level",
          "symbol": "",
          "kind": "electrical",
          "unit": "µW",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Typical",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "7u12000e12ucg"
  ],
  "discovery_pitch": "7U12000E12UCG (SJK(SHENZHEN CRYSTAL TECH)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}