main
Ray Set visibility: public e0377bc 12d ago
{
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  "type": "component",
  "slug": "bdh8181",
  "title": "BDH8181",
  "brief": "Bardeen Micro Hall Switches, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23-3",
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    "subcategory": "Hall Switches",
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    "distributor_links": {
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      "checked_at": "2026-10-17T21:58:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
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        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin; the recommended operating supply range is 3.5 V to 24 V, and the absolute maximum supply voltage is -5 V to 30 V."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Open-collector output that sinks current when a north pole turns it ON; the continuous output sink current is limited to 25 mA and the output off voltage is 30 V maximum."
      },
      {
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        "name": "GND",
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23-3 pin mapping is taken from the Pin Description table on page 3 (SOT23-3L column: pin 1 V; The datasheet is internally inconsistent on ESD ratings: the Features list gives 3000 V HBM and 300 "
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        "pages_sent": 8,
        "cost_usd": 0.0198,
        "at": "2026-10-17T21:56:29"
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        "pages": 8,
        "sha256": "409dd2ff4c280ba1",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Bardeen Micro",
      "Package": "SOT-23-3",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "ESD (Human Body Model) ESD 4000 V Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent",
        "page": 3,
        "doc": "ds.pdf",
        "material": "Abs"
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      "version": 1,
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    "characteristics": {
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          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
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          "min": -5,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Off Voltage",
          "symbol": "VCE",
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          "typ": null,
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          "conditions": "",
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        {
          "name": "Output Sink Current (Continuous Current)",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
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        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
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          "unit": "°C",
          "min": null,
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          "conditions": "Machine Model",
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        {
          "name": "Supply Voltage (recommended operating)",
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        {
          "name": "Operating Temperature (recommended operating)",
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        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 5,
          "conditions": "Awake",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "μA",
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          "conditions": "B<|BRP|",
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          "name": "Output Saturation Voltage",
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          "unit": "mV",
          "min": null,
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          "conditions": "IOUT =1.0mA",
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          "unit": "μs",
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          "typ": null,
          "max": 0.2,
          "conditions": "Operating",
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          "name": "Fall Time",
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          "unit": "μs",
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          "max": 0.2,
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          "name": "Operating point",
          "symbol": "BOP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "TA=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Releasing Point",
          "symbol": "BRP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -50,
          "typ": -20,
          "max": null,
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          "name": "Hysteresis",
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          "source": "datasheet"
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      ]
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  "discovery_pitch": "BDH8181 (Bardeen Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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