OH3172

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  "schema_version": 1,
  "type": "component",
  "slug": "oh3172",
  "title": "OH3172",
  "brief": "Nanjing Ouzhuo Tech Linear Hall Sensors, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "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",
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      "lbr": "oh3172.lbr"
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    "distributor_links": {
      "lcsc": "C127580"
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    "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"
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    },
    "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."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0172,
        "at": "2026-10-18T16:03:56"
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        "pages": 3,
        "sha256": "1bc9adf3233af3b6",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "role": "plain",
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        "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
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        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nanjing Ouzhuo Tech",
      "Package": "TO-92S",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1bc9adf3233af3b6b4c6bf415d5752bfc02ab8b2e25af2ee62fd228fd61577dd",
      "rows": [
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          "name": "Supply voltage (absolute ratings list)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output low level current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": 400,
          "conditions": "VCC=5V, RL=1KΩ, B≥BOP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 10,
          "conditions": "Vo=Vccmax , B≤BRP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operate point",
          "symbol": "BOP",
          "kind": "electrical",
          "unit": "GS",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "VCC=4.5～24V, 1mT=10GS",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Release point",
          "symbol": "BRP",
          "kind": "electrical",
          "unit": "GS",
          "min": -60,
          "typ": null,
          "max": null,
          "conditions": "VCC=4.5～24V, 1mT=10GS",
          "source_page": 2,
          "source": "datasheet"
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    }
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  "discovery_pitch": "OH3172 (Nanjing Ouzhuo Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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