BDH8401F

{
  "slug": "bdh8401f",
  "version": "0.1.0",
  "type": "component",
  "description": "Bardeen Micro Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "magnetic sensors",
    "bdh8401f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bdh8401f.kicad_sym",
    "bdh8401f.kicad_mod",
    "bdh8401f.glb",
    "bdh8401f.step",
    "bdh8401f.lbr",
    "docs/hero.png",
    "docs/bdh8401f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bdh8401f-hero.glb",
    "bdh8401f-hero.overlay.json",
    "bdh8401f-etched.glb"
  ],
  "component": {
    "mpn": "BDH8401F",
    "manufacturer": "Bardeen Micro",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163879170195456",
    "parts": {
      "symbol": "bdh8401f.kicad_sym",
      "footprint": "bdh8401f.kicad_mod",
      "model_3d": "bdh8401f-hero.glb",
      "model_3d_plain": "bdh8401f-etched.glb",
      "model_3d_step": "bdh8401f-etched.step",
      "model_3d_step_plain": "bdh8401f.step",
      "lbr": "bdh8401f.lbr"
    },
    "distributor_links": {
      "lcsc": "C5371997"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:28:43Z",
      "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": "Power supply pin; the datasheet gives an operating supply range of 3.8 V to 60 V and an absolute maximum VCC range of -60 V to 80 V, with reverse-supply protection built in."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (地) for the device."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "output",
        "description": "Open-collector output that requires an external pull-up resistor; the datasheet gives an absolute maximum VOUT of -0.5 V to 80 V and an output current of 0 to 40 mA."
      }
    ],
    "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 assignment for SOT23-3L is taken from the pin table on page 2 (TO92S and SOT23-3 columns, which ; Magnetic polarity for SOT23-3L is opposite to TO92S (page 4). This does not change the pinout but ma; VOUT is typed as 'output' because the datasheet describes it as an open-collector output, which has "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0326,
        "at": "2026-10-18T15:25:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163879170195456",
        "pages": 8,
        "sha256": "aec0fc1eadec1245",
        "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": "bdh8401f.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": "bdh8401f-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": "c66f7beac5d6bfd0c07ddceb02e841c0f86cc724a32145a637bb78c99070dadf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}