ECS-240-18-33B-7KM-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ecs-240-18-33b-7km-tr",
  "title": "ECS-240-18-33B-7KM-TR",
  "brief": "ECS Pre-ordered Products, 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",
    "electronic tools-instruments-consumables",
    "ecs-240-18-33b-7km-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ECS-240-18-33B-7KM-TR",
    "manufacturer": "ECS",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Electronic Tools/Instruments/Consumables",
    "subcategory": "Pre-ordered Products",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c8bd5363a48ed71cf9362b363711dc01.pdf",
    "parts": {
      "symbol": "ecs-240-18-33b-7km-tr.kicad_sym",
      "footprint": "ecs-240-18-33b-7km-tr.kicad_mod",
      "model_3d": "ecs-240-18-33b-7km-tr-hero.glb",
      "model_3d_plain": "ecs-240-18-33b-7km-tr-etched.glb",
      "model_3d_step": "ecs-240-18-33b-7km-tr-etched.step",
      "model_3d_step_plain": "ecs-240-18-33b-7km-tr.step",
      "lbr": "ecs-240-18-33b-7km-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2442760",
      "digikey": "50-ECS-240-18-33B-7KM-TR-ND",
      "mouser": "520-240-18-33B-7KM-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:25:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "50-ECS-240-18-33B-7KM-TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "520-240-18-33B-7KM-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "In/Out",
        "type": "passive",
        "description": "Crystal terminal that is electrically interchangeable with pad 3; the datasheet gives no voltage or current limits for this pad."
      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad for the crystal case, which the datasheet lists as Gnd without stating any electrical limits."
      },
      {
        "number": "3",
        "name": "Out/In",
        "type": "passive",
        "description": "Crystal terminal that is electrically interchangeable with pad 1; the datasheet gives no voltage or current limits for this pad."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad for the crystal case, which the datasheet lists as Gnd without stating any electrical limits."
      }
    ],
    "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 name 'SMD3225-4P'. The package was matched only by the stated 3.2 x 2; The datasheet says pad 1 and pad 3 are interchangeable and that the chamfer on the bottom pad has no; The MPN ECS-240-18-33B-7KM-TR decodes to 24.000 MHz with an 18 pF load capacitance code, and the TR "
        ],
        "pages_sent": 2,
        "cost_usd": 0.0145,
        "at": "2026-10-30T23:25:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c8bd5363a48ed71cf9362b363711dc01.pdf",
        "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-240-18-33b-7km-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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ecs-240-18-33b-7km-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.64
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "7db3ce48c2776d83a93095fce195e94aeacde231280a48401943d4929a7fc157",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ECS",
      "Package": "SMD3225-4P",
      "Category": "Electronic Tools/Instruments/Consumables",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "MSL 1, Lead Finish Au POCKET TAPE DIMENSIONS (mm)",
        "page": 2,
        "doc": "ds.pdf",
        "plating": "gold"
      },
      "version": 1,
      "datasheet_sha256": "57501bd817a35b833245598798eb39a3dc7527d1a28945458003f5ca519c069a"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "57501bd817a35b833245598798eb39a3dc7527d1a28945458003f5ca519c069a",
      "rows": [
        {
          "name": "Frequency tolerance at +25°C (code 7)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -7,
          "typ": null,
          "max": 7,
          "conditions": "@ +25°C; tolerance code 7 = ±7 ppm per P/N guide",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency stability (code K)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Over -20~+70°C (temp code M); stability code K = ±10 ppm per P/N guide",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Equivalent series resistance (ESR)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Frequency 21.000 ~ 54.000 MHz range; this part is 24.000 MHz",
          "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": "Operating temperature (temp code M)",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 70,
          "conditions": "Temperature range code M = -20 ~ +70°C per P/N guide",
          "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": "Peak solder temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec max; 2 cycles max; MSL 1, Lead finish Au",
          "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"
        },
        {
          "name": "Nominal frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "Fundamental mode; P/N code 240 = 24.000 MHz",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "ecs-240-18-33b-7km-tr"
  ],
  "discovery_pitch": "ECS-240-18-33B-7KM-TR (ECS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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}