OH3172

{
  "slug": "oh3172",
  "version": "0.1.0",
  "type": "component",
  "description": "Nanjing Ouzhuo Tech Linear Hall Sensors, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "oh3172",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "oh3172.kicad_sym",
    "oh3172.kicad_mod",
    "oh3172.glb",
    "oh3172.step",
    "oh3172.lbr",
    "docs/hero.png",
    "docs/oh3172-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "oh3172-hero.glb",
    "oh3172-hero.overlay.json",
    "oh3172-etched.glb"
  ],
  "component": {
    "mpn": "OH3172",
    "manufacturer": "Nanjing Ouzhuo Tech",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Linear Hall Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889742331023360",
    "parts": {
      "symbol": "oh3172.kicad_sym",
      "footprint": "oh3172.kicad_mod",
      "model_3d": "oh3172-hero.glb",
      "model_3d_plain": "oh3172-etched.glb",
      "model_3d_step": "oh3172-etched.step",
      "model_3d_step_plain": "oh3172.step",
      "lbr": "oh3172.lbr"
    },
    "distributor_links": {
      "lcsc": "C127580"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:04:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin with a supply range of 4.5 to 24 V, and the device includes a reverse-voltage protector on this input."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (地) that serves as the common return for the supply and the open-collector output."
      },
      {
        "number": "3",
        "name": "Vout",
        "type": "output",
        "description": "Open-collector output that requires an external pull-up resistor RL from the supply, with VOL of 400 mV max at VCC=5 V, RL=1 kΩ, B≥BOP, and output leakage IOH of 10 µA max when B≤BRP."
      }
    ],
    "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: Pin 3 is typed as output because the datasheet describes a collector-open (open-collector) output st; The datasheet lists only one package variant, TO-92S (1000 pcs/bag), and the pin assignment is given"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0172,
        "at": "2026-10-18T16:03:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889742331023360",
        "pages": 3,
        "sha256": "1bc9adf3233af3b6",
        "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": "oh3172.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "oh3172-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": [
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          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "d289b1c592623f2aaa7451529d7a7d84c0e32607e431eeb6e626733f7370d49d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}