main
Ray Set visibility: public 8821a74
{
  "schema_version": 1,
  "type": "component",
  "slug": "ecs-240-10-37b2-cwn-tr",
  "title": "ECS-240-10-37B2-CWN-TR",
  "brief": "ECS Crystals, SMD2016-4P. 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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    "ecs-240-10-37b2-cwn-tr",
    "factory-2.0.0",
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  "component": {
    "mpn": "ECS-240-10-37B2-CWN-TR",
    "manufacturer": "ECS",
    "package": "SMD2016-4P",
    "pin_count": 4,
    "category": "Resonators/Oscillators",
    "subcategory": "Crystals",
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      "model_3d_step_plain": "ecs-240-10-37b2-cwn-tr.step",
      "lbr": "ecs-240-10-37b2-cwn-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5727247",
      "digikey": "50-ECS-240-10-37B2-CWN-TR-ND",
      "mouser": "520-240-10-37B2CWNTR"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T18:05:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "50-ECS-240-10-37B2-CWN-TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "520-240-10-37B2CWNTR",
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    },
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        "name": "In/Out",
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      {
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        "name": "Gnd",
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      },
      {
        "number": "3",
        "name": "Out/In",
        "type": "passive",
        "description": "Pad 3 is the other crystal terminal and is interchangeable with pad 1 because the crystal is symmetrical."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
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        "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 covers ECX-1637B2, a 2.0 x 1.6 x 0.45 mm 4-pad SMD ceramic crystal. The package label "
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        "cost_usd": 0.0067,
        "at": "2026-11-02T18:05:26"
      },
      "datasheet": {
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        "pages": 2,
        "sha256": "295c7caddb585618",
        "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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    "models_3d": [
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        "file": "ecs-240-10-37b2-cwn-tr.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,
        "footprint_binding": "identity",
        "sha256": "eea7262e5781943394ac3ed4f9d076ea60a9856fdf5911f6ab502d1fcc1b0836",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ecs-240-10-37b2-cwn-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ECS",
      "Package": "SMD2016-4P",
      "Category": "Resonators/Oscillators",
      "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": "295c7caddb585618b7fedb04b658564d3694aec006b0ad2b7c3de5ebc42a2a34"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "295c7caddb585618b7fedb04b658564d3694aec006b0ad2b7c3de5ebc42a2a34",
      "rows": [
        {
          "name": "Nominal frequency (part-numbering code 240)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "Part numbering: 240 = 24.000 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Part numbering code 10 = 10 pF",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency range",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 16,
          "typ": null,
          "max": 50,
          "conditions": "Frequency range of the ECX-1637B2 series",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "@ +25°C, C option (part-numbering tolerance letter C)",
          "source_page": 1,
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        {
          "name": "Frequency stability",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -15,
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          "max": 15,
          "conditions": "Stability option W per part-numbering guide",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Aging (first year)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "First year @ +25°C ±3°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Equivalent series resistance (ESR)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Frequency 24.000 ~ 39.999 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
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          "typ": null,
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          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Peak solder temperature",
          "symbol": "",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Max 10 sec, 2 cycles max",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "ecs-240-10-37b2-cwn-tr"
  ],
  "discovery_pitch": "ECS-240-10-37B2-CWN-TR (ECS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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}