LM7812T

{
  "slug": "lm7812t",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm7812t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm7812t.kicad_sym",
    "lm7812t.kicad_mod",
    "lm7812t.glb",
    "lm7812t.step",
    "lm7812t.lbr",
    "docs/hero.png",
    "docs/lm7812t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm7812t-hero.glb",
    "lm7812t-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM7812T",
    "manufacturer": "HGSEMI",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763467737098133505",
    "parts": {
      "symbol": "lm7812t.kicad_sym",
      "footprint": "lm7812t.kicad_mod",
      "model_3d": "lm7812t-hero.glb",
      "model_3d_plain": "lm7812t.glb",
      "model_3d_step": "lm7812t-etched.step",
      "model_3d_step_plain": "lm7812t.step",
      "lbr": "lm7812t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2902509",
      "digikey": "5536-LM7812T-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:22:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5536-LM7812T-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Unregulated input supply pin; for the LM7812 the datasheet gives an input voltage range of 14.5 V to 35 V, with an absolute maximum input voltage of 35 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator, shared between input and output return."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 12 V output (datasheet typical 12 V, 11.5 V to 12.5 V at Io = 0.5 A), rated for a maximum output current of 1.2 A."
      }
    ],
    "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 lists pin names and functions (1 Vcc power, 2 GND ground, 3 OUT output) for TO-220-3 b; The LM7812T is ordered in the TO-220-3 package (part LM7812T, 1000 pcs per tube), so the TO-220-3 pi"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0402,
        "at": "2026-10-09T17:20:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763467737098133505",
        "pages": 11,
        "sha256": "7c51292380972d4a",
        "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": "lm7812t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm7812t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "34d528035d4cf213fc2e708c8184cc73cf4dd0d0a788bdd351229e0c788d642c",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}