main
Ray Set visibility: public 13cb1b5 11h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "oh9251-s",
  "title": "OH9251-S",
  "brief": "Nanjing Ouzhuo Tech Magnetic Sensors, TSOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensors",
    "oh9251-s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": {
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        "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": {
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      "factory_chain": {
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        "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"
      },
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        "pages": 4,
        "sha256": "21ad428f4e55cb03",
        "source_tier": "lcsc"
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      "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "da9f0445023d589d945e19f2b09dc6ea590e4e894e35cd602719c8432d787b0c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nanjing Ouzhuo Tech",
      "Package": "TSOT-23-3",
      "Category": "Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "21ad428f4e55cb03b6dcb7fbe6f21c43b4e214d35bd755ccc564814bbde70219",
      "rows": [
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          "name": "Supply Voltage (abs max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Fault)",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (abs max)",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "TA=25℃",
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        },
        {
          "name": "Output Current",
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          "conditions": "TA=25℃",
          "source_page": 2,
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        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
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        {
          "name": "Supply Voltage",
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          "min": 1.65,
          "typ": null,
          "max": 6,
          "conditions": "Ta=25℃, VDD=1.8V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current Awake",
          "symbol": "IAW",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.4,
          "max": 3,
          "conditions": "Awake",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current Sleep",
          "symbol": "ISL",
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          "min": null,
          "typ": 3.6,
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          "conditions": "Sleep",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current Average",
          "symbol": "IAVG",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "Average",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Output off",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output High Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "IOUT=0.5mA(Source); min printed as VDD-0.2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IOUT=0.5mA(Sink)",
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          "source": "datasheet"
        },
        {
          "name": "Awake Mode Time",
          "symbol": "tAW",
          "kind": "timing",
          "unit": "µs",
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          "typ": 40,
          "max": 80,
          "conditions": "OPERATING",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Sleep Mode Time",
          "symbol": "tSL",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 40,
          "max": 80,
          "conditions": "OPERATING",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Duty Cycle",
          "symbol": "D",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Electro-Static Discharge HBM",
          "symbol": "HBM",
          "kind": "electrical",
          "unit": "KV",
          "min": 4,
          "typ": null,
          "max": null,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operate Point South",
          "symbol": "BOPS",
          "kind": "electrical",
          "unit": "GS",
          "min": null,
          "typ": 30,
          "max": 55,
          "conditions": "South pole to branded side, B>BOPS, VOUT=low(output on)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operate Point North",
          "symbol": "BOPN",
          "kind": "electrical",
          "unit": "GS",
          "min": -55,
          "typ": -30,
          "max": null,
          "conditions": "North pole to branded side, B>BOPN, VOUT=low(output on)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Release Point South",
          "symbol": "BRPS",
          "kind": "electrical",
          "unit": "GS",
          "min": 10,
          "typ": null,
          "max": 20,
          "conditions": "South pole to branded side, B<BRPS, VOUT=high(output off)",
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          "source": "datasheet"
        },
        {
          "name": "Release Point North",
          "symbol": "BRPN",
          "kind": "electrical",
          "unit": "GS",
          "min": -20,
          "typ": null,
          "max": -10,
          "conditions": "North pole to branded side, B<BRPN, VOUT=high(output off)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis",
          "symbol": "BH",
          "kind": "electrical",
          "unit": "GS",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "|BOPX - BRPX|",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "oh9251-s"
  ],
  "discovery_pitch": "OH9251-S (Nanjing Ouzhuo Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "oh9251-s-hero.overlay.json",
    "oh9251-s-etched.glb"
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  "visibility": {
    "public": true
  }
}