main
Ray Publish 0.1.0 b4edbb6 17d ago
{
  "slug": "l7812cd2t",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "l7812cd2t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l7812cd2t.kicad_sym",
    "l7812cd2t.kicad_mod",
    "l7812cd2t.glb",
    "l7812cd2t.step",
    "l7812cd2t.lbr",
    "docs/hero.png",
    "docs/l7812cd2t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l7812cd2t-hero.glb",
    "l7812cd2t-hero.overlay.json",
    "l7812cd2t-etched.glb"
  ],
  "component": {
    "mpn": "L7812CD2T",
    "manufacturer": "UMW",
    "package": "TO-263",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8768531107128057856",
    "parts": {
      "symbol": "l7812cd2t.kicad_sym",
      "footprint": "l7812cd2t.kicad_mod",
      "model_3d": "l7812cd2t-hero.glb",
      "model_3d_plain": "l7812cd2t-etched.glb",
      "model_3d_step": "l7812cd2t-etched.step",
      "model_3d_step_plain": "l7812cd2t.step",
      "lbr": "l7812cd2t.lbr"
    },
    "distributor_links": {
      "lcsc": "C7394044",
      "digikey": "497-2950-5-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:35:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-2950-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I",
        "type": "power_in",
        "description": "Unregulated input supply; the datasheet gives an absolute maximum input voltage of 35 V for 5 to 18 V outputs (40 V for the 24 V output)."
      },
      {
        "number": "2",
        "name": "G",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "3",
        "name": "O",
        "type": "power_out",
        "description": "Regulated 12 V output, rated for output current up to 1.2 A with thermal overload and short-circuit protection."
      }
    ],
    "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 pinning table on page 1 is garbled in extraction. Symbols I, G, O and descriptions INPUT, GND, O; The ordering table lists L78xxCD2T as TO-263 (marking L78xxC2T). This supports the TO-263-3 selectio; The input voltage limit is taken from the absolute maximum table, where the values 35 and 40 are pri"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0471,
        "at": "2026-10-17T22:33:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8768531107128057856",
        "pages": 18,
        "sha256": "389cce5d2730866f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l7812cd2t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "804a3f76e4182a02567b2429bdc9a585b857158fb8543fccd29c8eb6780e1310",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l7812cd2t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f4f843770aa5d896dbb5e3837d3a9bb2579d501c561b80d35e46f2f260155f46",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}