ECS-270-20-33-CKM-TR3

{
  "slug": "ecs-270-20-33-ckm-tr3",
  "version": "0.1.0",
  "type": "component",
  "description": "ECS Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "resonators-oscillators",
    "ecs-270-20-33-ckm-tr3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ecs-270-20-33-ckm-tr3.kicad_sym",
    "ecs-270-20-33-ckm-tr3.kicad_mod",
    "ecs-270-20-33-ckm-tr3.glb",
    "ecs-270-20-33-ckm-tr3.step",
    "ecs-270-20-33-ckm-tr3.lbr",
    "docs/hero.png",
    "docs/ecs-270-20-33-ckm-tr3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ecs-270-20-33-ckm-tr3-hero.glb",
    "ecs-270-20-33-ckm-tr3-hero.overlay.json",
    "ecs-270-20-33-ckm-tr3-etched.glb"
  ],
  "component": {
    "mpn": "ECS-270-20-33-CKM-TR3",
    "manufacturer": "ECS",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Resonators/Oscillators",
    "subcategory": "Crystals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4dd822b1861c1f4bac77725a3ad062b8.pdf",
    "parts": {
      "symbol": "ecs-270-20-33-ckm-tr3.kicad_sym",
      "footprint": "ecs-270-20-33-ckm-tr3.kicad_mod",
      "model_3d": "ecs-270-20-33-ckm-tr3-hero.glb",
      "model_3d_plain": "ecs-270-20-33-ckm-tr3-etched.glb",
      "model_3d_step": "ecs-270-20-33-ckm-tr3-etched.step",
      "model_3d_step_plain": "ecs-270-20-33-ckm-tr3.step",
      "lbr": "ecs-270-20-33-ckm-tr3.lbr"
    },
    "distributor_links": {
      "lcsc": "C6547969",
      "digikey": "50-ECS-270-20-33-CKM-TR3TR-ND",
      "mouser": "520-270-20-33CKM-TR3"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T01:49:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "50-ECS-270-20-33-CKM-TR3TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "520-270-20-33CKM-TR3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "In/Out",
        "type": "passive",
        "description": "Crystal terminal that may serve as input or output, since pads 1 and 3 are stated to be interchangeable."
      },
      {
        "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 that may serve as output or input, since pads 1 and 3 are stated to be interchangeable."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pad, listed as Gnd in the pad connections table; the chamfer on the bottom may be on pad 4 or pad 1 and has no electrical significance."
      }
    ],
    "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 pin table is for the ECX-32 package, which is 3.2 x 2.5 mm. The package name SMD3225-4; The datasheet gives no pin-specific electrical limits. Pins 1 and 3 are described only as crystal te"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0154,
        "at": "2026-10-31T01:49:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4dd822b1861c1f4bac77725a3ad062b8.pdf",
        "pages": 2,
        "sha256": "7f56a768dd3d4594",
        "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-270-20-33-ckm-tr3.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": 0.0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "d2a89df82ee5f0f56ef23ee59c8161b8d4e92af2b21959d72778316dde3f9f22",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ecs-270-20-33-ckm-tr3-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": 0.0,
        "centre_offset_mm": 0.001,
        "footprint_binding": "identity",
        "sha256": "ec43f29055c1822c32182a66da0b0ce6793002f7705f7cd8f4c0e5c83ef7781a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "ECX-32",
      "source_page": 1,
      "D": {
        "nom_mm": 3.2,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 2.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.8,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ecs-270-20-33-ckm-tr3.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}