main
Ray Set visibility: public e68d26f
{
  "schema_version": 1,
  "type": "component",
  "slug": "ecs-240-9-33b-cwn-tr",
  "title": "ECS-240-9-33B-CWN-TR",
  "brief": "ECS 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",
    "crystals, oscillators, resonators",
    "ecs-240-9-33b-cwn-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ECS-240-9-33B-CWN-TR",
    "manufacturer": "ECS",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589812532723544064",
    "parts": {
      "symbol": "ecs-240-9-33b-cwn-tr.kicad_sym",
      "footprint": "ecs-240-9-33b-cwn-tr.kicad_mod",
      "model_3d": "ecs-240-9-33b-cwn-tr-hero.glb",
      "model_3d_plain": "ecs-240-9-33b-cwn-tr-etched.glb",
      "model_3d_step": "ecs-240-9-33b-cwn-tr-etched.step",
      "model_3d_step_plain": "ecs-240-9-33b-cwn-tr.step",
      "lbr": "ecs-240-9-33b-cwn-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2450735",
      "digikey": "XC2477TR-ND",
      "mouser": "520-240-9-33B-CWNT"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T03:42:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "XC2477TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "520-240-9-33B-CWNT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "In/Out",
        "type": "passive",
        "description": "Crystal terminal labelled In/Out in the Pad Connections table; pads 1 and 3 are interchangeable because the crystal is symmetrical."
      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad listed as Gnd in the Pad Connections table."
      },
      {
        "number": "3",
        "name": "Out/In",
        "type": "passive",
        "description": "Crystal terminal labelled Out/In in the Pad Connections table; interchangeable with pad 1 because the crystal is symmetrical."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad listed as Gnd in the Pad Connections table."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet never prints the package code 'SMD3225-4P'. The pinout was taken from the 4-pad 3.2 x ; The MPN ECS-240-9-33B-CWN-TR decodes to 240 = 24.000 MHz, which falls in the 21.000 to 54.000 MHz ra; Pins 1 and 3 are typed as passive because the datasheet names them only In/Out and Out/In, which are"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0145,
        "at": "2026-10-15T03:42:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589812532723544064",
        "pages": 2,
        "sha256": "57501bd817a35b83",
        "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": "ecs-240-9-33b-cwn-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          2.501,
          0.64
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "d2a89df82ee5f0f56ef23ee59c8161b8d4e92af2b21959d72778316dde3f9f22",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ecs-240-9-33b-cwn-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          2.501,
          0.64
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "4dfba774f401c451e5d53af7de783517d23021fc71cf972e01b4c2e4a0673a91",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ECS",
      "Package": "SMD3225-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "57501bd817a35b833245598798eb39a3dc7527d1a28945458003f5ca519c069a",
      "rows": [
        {
          "name": "Frequency tolerance (C = ±10 ppm)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "@ +25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability (W = ±15 ppm)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "-40 ~ +85°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Aging (first year)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "First year @ +25°C ±3°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency range (ECS-33B series)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 10,
          "typ": null,
          "max": 54,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESR max",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Frequency (MHz) 21.000 ~ 54.000",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency (this MPN, code 240)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "Abbreviation 240 = 24.000 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Shunt capacitance",
          "symbol": "Co",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drive level",
          "symbol": "DL",
          "kind": "electrical",
          "unit": "μW",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ecs-240-9-33b-cwn-tr"
  ],
  "discovery_pitch": "ECS-240-9-33B-CWN-TR (ECS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "ecs-240-9-33b-cwn-tr.glb",
    "ecs-240-9-33b-cwn-tr.step",
    "ecs-240-9-33b-cwn-tr.lbr",
    "docs/hero.png",
    "docs/ecs-240-9-33b-cwn-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ecs-240-9-33b-cwn-tr-hero.glb",
    "ecs-240-9-33b-cwn-tr-hero.overlay.json",
    "ecs-240-9-33b-cwn-tr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}