main
Ray Set visibility: public d4f6255 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ecs-240-8-37-ckm-tr3",
  "title": "ECS-240-8-37-CKM-TR3",
  "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": [
    "component",
    "crystals, oscillators, resonators",
    "ecs-240-8-37-ckm-tr3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ECS-240-8-37-CKM-TR3",
    "manufacturer": "ECS",
    "package": "SMD2016-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Crystals",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905884598226944",
    "parts": {
      "symbol": "ecs-240-8-37-ckm-tr3.kicad_sym",
      "footprint": "ecs-240-8-37-ckm-tr3.kicad_mod",
      "model_3d": "ecs-240-8-37-ckm-tr3-hero.glb",
      "model_3d_plain": "ecs-240-8-37-ckm-tr3-etched.glb",
      "model_3d_step": "ecs-240-8-37-ckm-tr3-etched.step",
      "model_3d_step_plain": "ecs-240-8-37-ckm-tr3.step",
      "lbr": "ecs-240-8-37-ckm-tr3.lbr"
    },
    "distributor_links": {
      "lcsc": "C6032023",
      "digikey": "50-ECS-240-8-37-CKM-TR3TR-ND",
      "mouser": "520-240-8-37-CKM-TR3"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T22:37:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "50-ECS-240-8-37-CKM-TR3TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "520-240-8-37-CKM-TR3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "In/Out",
        "type": "passive",
        "description": "Crystal terminal (In/Out) that is electrically interchangeable with pad 3; the datasheet states the crystal is symmetrical and pads 1 and 3 can be swapped."
      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad connection as listed in the datasheet pad connections table; the datasheet gives no further electrical limits for this pad."
      },
      {
        "number": "3",
        "name": "Out/In",
        "type": "passive",
        "description": "Crystal terminal (Out/In) that is electrically interchangeable with pad 1; the chamfer on the bottom pad has no electrical significance."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad connection as listed in the datasheet pad connections table; the datasheet gives no further electrical limits for this pad."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 names the package 'SMD2016-4P'. It describes a 2.0 x 1.6 x 0.45 mm ceramic 4-pad; The datasheet's pad connection table gives only In/Out, Gnd, Out/In, Gnd. It does not show a per-var"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0149,
        "at": "2026-10-14T22:37:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905884598226944",
        "pages": 2,
        "sha256": "1fdd3d68782fd6d0",
        "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-240-8-37-ckm-tr3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.6,
          0.93
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "eea7262e5781943394ac3ed4f9d076ea60a9856fdf5911f6ab502d1fcc1b0836",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ecs-240-8-37-ckm-tr3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1d1e737775eb7bc152e1133bf19f90890b14ea595e9a4cb7e0f679f3257b4611",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ECS",
      "Package": "SMD2016-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1fdd3d68782fd6d02fc79a5d4bcad9c45a3d6520c0ec9ee14d354ac6b07e641d",
      "rows": [
        {
          "name": "Frequency Tolerance (MPN tolerance code C = ±10 ppm)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "@ +25°C; tolerance letter C per part-numbering guide",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency Stability (MPN stability code K = ±10 ppm)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "-20 ~ +70°C; stability letter K per part-numbering guide (marked † contact ECS for availability)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency range",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 16,
          "typ": null,
          "max": 80,
          "conditions": "Family range printed as '16.000 80.000'",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 70,
          "conditions": "Temp range code M = -20 ~ +70°C per part-numbering guide",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Aging (First Year)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "@ +25°C ±3°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESR (Equivalent Series Resistance)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Frequency band 24.000 ~ 25.999 MHz (applies to 24.000 MHz)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Shunt Capacitance",
          "symbol": "Co",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drive Level",
          "symbol": "DL",
          "kind": "electrical",
          "unit": "μW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak solder temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Max 10 sec; 2 cycles max; MSL 1, Lead finish Au",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Nominal frequency (from P/N)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "Decoded from P/N '240 = 24.000 MHz'",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Capacitance (from P/N)",
          "symbol": "",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "Decoded from P/N '8 = 8 pF'; datasheet says 'Specify in P/N'",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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  "discovery_triggers": [
    "ecs-240-8-37-ckm-tr3"
  ],
  "discovery_pitch": "ECS-240-8-37-CKM-TR3 (ECS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}