main
Ray Set visibility: public 3539b7d 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "hal9303so",
  "title": "HAL9303SO",
  "brief": "Hallwee Linear Hall Sensors, SOT-23-3L. 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",
    "magnetic sensors",
    "hal9303so",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HAL9303SO",
    "manufacturer": "Hallwee",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Linear Hall Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909344223879168",
    "parts": {
      "symbol": "hal9303so.kicad_sym",
      "footprint": "hal9303so.kicad_mod",
      "model_3d": "hal9303so-hero.glb",
      "model_3d_plain": "hal9303so-etched.glb",
      "model_3d_step": "hal9303so-etched.step",
      "model_3d_step_plain": "hal9303so.step",
      "lbr": "hal9303so.lbr"
    },
    "distributor_links": {
      "lcsc": "C19089525"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:53:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin; the datasheet gives an operating voltage of 1.6 V to 5.5 V and an absolute maximum supply voltage of 7 V."
      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pin for the sensor."
      },
      {
        "number": "3",
        "name": "Out",
        "type": "output",
        "description": "Linear Hall sensor output; the output voltage is proportional to the magnetic field and equals half the supply voltage at zero field, with the output current limit listed as 0.2 mA in the absolute maximum ratings."
      }
    ],
    "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: The absolute maximum table labels the 0.2 value with the symbol IDD under the heading 输出电流 (output c; The datasheet gives the Out pin voltage range as 0.0 to 3.3 V in the characteristic table, measured ; Pinout was taken from the SO (SOT-23-3L) package. Ordering info lists HAL9303SO as SO (SOT-23-3L), a"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0246,
        "at": "2026-10-18T05:52:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909344223879168",
        "pages": 4,
        "sha256": "d6a4dc351b69d735",
        "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": "hal9303so.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hal9303so-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f3e4bf3c8dd78285c5440b1d07cf1f667a72bd03ae68a215d496fadf2e814b91",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Hallwee",
      "Package": "SOT-23-3L",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d6a4dc351b69d7357969e055100ed8cc6a75c2ffa4beb25115b2ec2ab36be78b",
      "rows": [
        {
          "name": "电源电压(工作时)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "工作时",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "输出电流",
          "symbol": "IDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "工作温度范围",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "储存温度范围",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "工作电压",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": 5.5,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "电源电流",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "VDD=1.8V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "灵敏度",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV/GS",
          "min": 1.7,
          "typ": 2.1,
          "max": 2.9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "线性度",
          "symbol": "",
          "kind": "electrical",
          "unit": "量程的%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "静态输出电压",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 1.8,
          "conditions": "B=0Gs VDD=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "零位漂移",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "%/℃",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "最高输出电压",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.2,
          "typ": 3.3,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "最低输出电压",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hal9303so"
  ],
  "discovery_pitch": "HAL9303SO (Hallwee) 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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  "files": [
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    "hal9303so.glb",
    "hal9303so.step",
    "hal9303so.lbr",
    "docs/hero.png",
    "docs/hal9303so-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hal9303so-hero.glb",
    "hal9303so-hero.overlay.json",
    "hal9303so-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}