OH9251-S

{
  "slug": "oh9251-s",
  "version": "0.1.0",
  "type": "component",
  "description": "Nanjing Ouzhuo Tech Magnetic Sensors, TSOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "oh9251-s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "oh9251-s.kicad_sym",
    "oh9251-s.kicad_mod",
    "oh9251-s.glb",
    "oh9251-s.step",
    "oh9251-s.lbr",
    "docs/hero.png",
    "docs/oh9251-s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "oh9251-s-hero.glb",
    "oh9251-s-hero.overlay.json",
    "oh9251-s-etched.glb"
  ],
  "component": {
    "mpn": "OH9251-S",
    "manufacturer": "Nanjing Ouzhuo Tech",
    "package": "TSOT-23-3",
    "pin_count": 3,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8eb7f1990761448fb39a292acdfec761.pdf",
    "parts": {
      "symbol": "oh9251-s.kicad_sym",
      "footprint": "oh9251-s.kicad_mod",
      "model_3d": "oh9251-s-hero.glb",
      "model_3d_plain": "oh9251-s-etched.glb",
      "model_3d_step": "oh9251-s-etched.step",
      "model_3d_step_plain": "oh9251-s.step",
      "lbr": "oh9251-s.lbr"
    },
    "distributor_links": {
      "lcsc": "C174066"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:39:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 1.65 V to 6 V (absolute maximum 7 V)."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Totem-pole CMOS output that goes low when the magnetic field exceeds BOP of either pole and high below BRP, with 0.5 mA rated source/sink in the electrical table (1 mA absolute maximum, 7 V maximum)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      }
    ],
    "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 pin table is a drawing only; the package is labelled 'ST Package (TSOT-23)' and the 3-",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.217,
        "at": "2026-10-22T21:39:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8eb7f1990761448fb39a292acdfec761.pdf",
        "pages": 4,
        "sha256": "21ad428f4e55cb03",
        "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": "oh9251-s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4650ae674567ef40fa91eeca9a1c1391f1844e8330e248ae87d17c4b16d86de4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "oh9251-s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "da9f0445023d589d945e19f2b09dc6ea590e4e894e35cd602719c8432d787b0c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}