main
Ray Set visibility: public d787b68 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ad-cj13-100001210d05",
  "title": "AD-CJ13-100001210D05",
  "brief": "Changjing 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": [
    "component",
    "crystal oscillator-oscillator-resonator",
    "ad-cj13-100001210d05",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AD-CJ13-100001210D05",
    "manufacturer": "Changjing",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystal Oscillator/Oscillator/Resonator",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a611900eb4062a3156dc148d9d9269ac.pdf",
    "parts": {
      "symbol": "ad-cj13-100001210d05.kicad_sym",
      "footprint": "ad-cj13-100001210d05.kicad_mod",
      "model_3d": "ad-cj13-100001210d05-hero.glb",
      "model_3d_plain": "ad-cj13-100001210d05-etched.glb",
      "model_3d_step": "ad-cj13-100001210d05-etched.step",
      "model_3d_step_plain": "ad-cj13-100001210d05.step",
      "lbr": "ad-cj13-100001210d05.lbr"
    },
    "distributor_links": {
      "lcsc": "C2995648"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T14:53:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "XTAL1",
        "type": "passive",
        "description": "Crystal terminal 1 of the 10MHz fundamental-mode resonator (12pF load capacitance), connected internally to the crystal element and diagonal to pad 3."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pad, marked GND in the internal view connection and not connected to the crystal element."
      },
      {
        "number": "3",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal terminal 2 of the 10MHz fundamental-mode resonator (12pF load capacitance), connected internally to the crystal element and diagonal to pad 1."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pad, marked GND in the internal view connection and not connected to the crystal element."
      }
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        "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 pads 2 and 4 as GND. Pads 1 and 3 are unnamed crystal terminals, so XTAL1 ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 9,
        "cost_usd": 0.1539,
        "at": "2026-10-21T14:48:10"
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        "pages": 9,
        "sha256": "bc21eb08252eb2c6",
        "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
      }
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        "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)"
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      {
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        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SMD3225-4P",
      "Category": "Crystal Oscillator/Oscillator/Resonator",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bc21eb08252eb2c65775f04fc369401e20fe6114623905179f58b5d76d110d4f",
      "rows": [
        {
          "name": "Frequency tolerance",
          "symbol": "Δf/f",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Frequency temperature stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "Ref.@25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "M ohms",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "Printed as '>500 M ohms' (greater than)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Aging",
          "symbol": "△fA",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "per year",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resonance resistance",
          "symbol": "",
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          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 200,
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        },
        {
          "name": "Shunt capacitance",
          "symbol": "C0",
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          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Drive level",
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          "unit": "μW",
          "min": null,
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          "conditions": "",
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        {
          "name": "Operating temperature range",
          "symbol": "TOPR",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operational life frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Operational life, 1000 h at 125°C±3°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operational life resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Operational life, 1000 h at 125°C±3°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycle frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "1000 cycles from -40°C to 125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycle resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "1000 cycles from -40°C to 125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High temperature storage frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "High temperature storage",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High temperature storage resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "High temperature storage",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Biased humidity, 1000 h at 85°C±3°C, constant temperature",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Biased humidity, 1000 h at 85°C±3°C, constant temperature",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Humidity frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "1000 h at 85°C±3°C, 85%R.H.",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Humidity resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "1000 h at 85°C±3°C, 85%R.H.",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Mechanical shock frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Peak 100gal, 6ms half sine wave, 3 cycles per direction",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Mechanical shock resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Peak 100gal, 6ms half sine wave, 3 cycles per direction",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Vibration frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "1.52mm, 10-2000Hz, 5g, 20 min, 12 cycles each of 3 axes",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Vibration resonance resistance change",
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          "min": null,
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          "conditions": "1.52mm, 10-2000Hz, 5g, 20 min, 12 cycles each of 3 axes",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat frequency change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Reflow oven, peak 265°C max, 10 s max",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat resonance resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Reflow oven, peak 265°C max, 10 s max",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency",
          "symbol": "f",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "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"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "AD-CJ13-100001210D05 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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