CJ15-160000810B20

{
  "schema_version": 1,
  "type": "component",
  "slug": "cj15-160000810b20",
  "title": "CJ15-160000810B20",
  "brief": "Changjing Crystals, SMD2520-4P. 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",
    "cj15-160000810b20",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CJ15-160000810B20",
    "manufacturer": "Changjing",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystal Oscillator/Oscillator/Resonator",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d230b92bedf5b9f7a33587c95089ab06.pdf",
    "parts": {
      "symbol": "cj15-160000810b20.kicad_sym",
      "footprint": "cj15-160000810b20.kicad_mod",
      "model_3d": "cj15-160000810b20-hero.glb",
      "model_3d_plain": "cj15-160000810b20-etched.glb",
      "model_3d_step": "cj15-160000810b20-etched.step",
      "model_3d_step_plain": "cj15-160000810b20.step",
      "lbr": "cj15-160000810b20.lbr"
    },
    "distributor_links": {
      "lcsc": "C2961252"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T07:24:23Z",
      "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 (chamfered pad in the bottom view, wired to the resonator symbol) for the 16.000MHz fundamental-mode resonator with 8pF load capacitance."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Pad 2 is not wired to the resonator in the bottom-view drawing; the datasheet does not state a function, so treat it as a non-functional solder pad."
      },
      {
        "number": "3",
        "name": "XTAL2",
        "type": "passive",
        "description": "Crystal terminal 2 (wired to the resonator symbol in the bottom view, diagonal to pad 1) for the 16.000MHz fundamental-mode resonator with 8pF load capacitance."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Pad 4 is not wired to the resonator in the bottom-view drawing; the datasheet does not state a function, so treat it as a non-functional solder pad."
      }
    ],
    "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 has no pin table or pin names. The roles of pads 1 and 3 as crystal terminals, and of ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1151,
        "at": "2026-11-06T07:24:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d230b92bedf5b9f7a33587c95089ab06.pdf",
        "pages": 6,
        "sha256": "1e7a03576b7ed7d8",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "cj15-160000810b20.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2,
          0.83
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cj15-160000810b20-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          2,
          0.83
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c87351884aecc01a3b86ee0d775728e4305dd355938c2678c5b265be2206c62d",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SMD2520-4P",
      "Category": "Crystal Oscillator/Oscillator/Resonator",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1e7a03576b7ed7d87900148304a46a62a54d25ffa7a22697cf7585d27e23638f",
      "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": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Aging",
          "symbol": "ΔfA",
          "kind": "tolerance",
          "unit": "ppm/year",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Insulation Resistance",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resonance Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohm",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drive Level",
          "symbol": "DL",
          "kind": "electrical",
          "unit": "μW",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Shunt Capacitance",
          "symbol": "C0",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal Frequency",
          "symbol": "f",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Capacitance",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cj15-160000810b20"
  ],
  "discovery_pitch": "CJ15-160000810B20 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cj15-160000810b20.kicad_sym",
    "cj15-160000810b20.kicad_mod",
    "cj15-160000810b20.glb",
    "cj15-160000810b20.step",
    "cj15-160000810b20.lbr",
    "docs/hero.png",
    "docs/cj15-160000810b20-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cj15-160000810b20-hero.glb",
    "cj15-160000810b20-hero.overlay.json",
    "cj15-160000810b20-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}