HAL9303SO

{
  "slug": "hal9303so",
  "version": "0.1.0",
  "type": "component",
  "description": "Hallwee Linear Hall Sensors, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "hal9303so",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hal9303so.kicad_sym",
    "hal9303so.kicad_mod",
    "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"
  ],
  "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,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f3e4bf3c8dd78285c5440b1d07cf1f667a72bd03ae68a215d496fadf2e814b91",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}