STTH8S12D

{
  "slug": "stth8s12d",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Fast Recovery / High Efficiency Diodes, TO-220AC. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "stth8s12d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stth8s12d.kicad_sym",
    "stth8s12d.kicad_mod",
    "stth8s12d.glb",
    "stth8s12d.step",
    "stth8s12d.lbr",
    "docs/hero.png",
    "docs/stth8s12d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stth8s12d-hero.glb",
    "stth8s12d-hero.overlay.json",
    "stth8s12d-etched.glb"
  ],
  "component": {
    "mpn": "STTH8S12D",
    "manufacturer": "STMicroelectronics",
    "package": "TO-220AC",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Fast Recovery / High Efficiency Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588895615564177408",
    "parts": {
      "symbol": "stth8s12d.kicad_sym",
      "footprint": "stth8s12d.kicad_mod",
      "model_3d": "stth8s12d-hero.glb",
      "model_3d_plain": "stth8s12d-etched.glb",
      "model_3d_step": "stth8s12d-etched.step",
      "model_3d_step_plain": "stth8s12d.step",
      "lbr": "stth8s12d.lbr"
    },
    "distributor_links": {
      "lcsc": "C377924",
      "digikey": "497-15573-5-ND",
      "mouser": "511-STTH8S12D"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T21:07:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-15573-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STTH8S12D",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode lead, which is also connected to the metal tab; the device is rated for VRRM of 1200 V and IF(AV) of 8 A."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode lead; forward current is rated at IF(AV) 8 A (Tc = 110 °C, δ = 0.5) and 25 A RMS."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet drawing labels the leads only as A and K and prints no pin numbers. The mapping 1 = K,",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0955,
        "at": "2026-10-15T21:07:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588895615564177408",
        "pages": 8,
        "sha256": "4549f9e84d319b5f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stth8s12d.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": "7656d388eca6f6d919aeb1661b7e60b68bc363359af24e92c0d3447fa0fe5801",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stth8s12d-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": "bc4686ce58abed2a9d159b79f1aa96b447bd38204c17e858d74f53e9f824f1c0",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}