main
Ray Set visibility: public 7e31c09 3h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mh281kso",
  "title": "MH281KSO",
  "brief": "MST(Magnesensor Tech (MST)) Magnetic Sensors, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "manufacturer": "MST(Magnesensor Tech (MST))",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4457b8b4d494429790815aab8fc0142e.pdf",
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      "lbr": "mh281kso.lbr"
    },
    "distributor_links": {
      "lcsc": "C114374"
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    "distributor_check": {
      "checked_at": "2026-10-22T22:22:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 3.0 V to 24.0 V with an absolute maximum of 27 V; do not apply reverse voltage."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Open-drain output that switches on above BOP and off below BRP, rated up to 27 V and 50 mA absolute maximum, with a 500 mV maximum saturation voltage at 20 mA; do not apply reverse voltage."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the supply and output."
      }
    ],
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Page 4 lists two pinouts in extracted text: Pin1 VDD, Pin2 GND, Pin3 Output (with the UA/TO-92S Outp; The datasheet calls the package SOT-23 (SO); the SOT-23-3L hint is assumed to be the same 3-pin pack"
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        "cost_usd": 0.0423,
        "at": "2026-10-22T22:21:48"
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        "pages": 5,
        "sha256": "000000166c84d868",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "MST(Magnesensor Tech (MST))",
      "Package": "SOT-23-3L",
      "Category": "Sensors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "UA:TO-92S,VK:TO-92S(4pin),VF:TO-92S(5pin),SO:SOT-23, SQ:QFN-3,ST:TSOT-23,SN:SOT-553,SF:SOT-89(5pin)",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
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      "version": 1,
      "datasheet_sha256": "000000166c84d868d93efebbf048164e5d752c2611e86db38b6dc15e371eaac4"
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      "datasheet_sha256": "000000166c84d868d93efebbf048164e5d752c2611e86db38b6dc15e371eaac4",
      "rows": [
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          "name": "Supply Voltage",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 24,
          "conditions": "Operating",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 5,
          "conditions": "B<BOP",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Saturation Voltage",
          "symbol": "VSat",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "IOUT = 20 mA, B>BOP",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IOFF B<BRP, VOUT = 20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operate Point",
          "symbol": "BOP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 175,
          "typ": null,
          "max": 250,
          "conditions": "TA=+25℃, VDD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Release Point",
          "symbol": "BRP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "TA=+25℃, VDD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis",
          "symbol": "BHYS",
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          "unit": "Gauss",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "TA=+25℃, VDD=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Rise Time",
          "symbol": "TR",
          "kind": "timing",
          "unit": "uS",
          "min": null,
          "typ": 0.04,
          "max": null,
          "conditions": "RL=1kΩ, CL =20pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Fall Time",
          "symbol": "TF",
          "kind": "timing",
          "unit": "uS",
          "min": null,
          "typ": 0.18,
          "max": null,
          "conditions": "RL=1kΩ; CL =20pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 27,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "Vo",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 27,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VDD, VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Ta=25℃",
          "source_page": 2,
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        {
          "name": "Operating Temperature Range",
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          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "K version",
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        {
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          "min": -55,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Maximum Junction Temp",
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          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
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          "conditions": "",
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        {
          "name": "Thermal Resistance junction-ambient",
          "symbol": "θja",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 543,
          "max": null,
          "conditions": "SO package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance junction-case",
          "symbol": "θjc",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 410,
          "max": null,
          "conditions": "SO package",
          "source_page": 2,
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        },
        {
          "name": "Package Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
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          "conditions": "SO package",
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  "discovery_triggers": [
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  "discovery_pitch": "MH281KSO (MST(Magnesensor Tech (MST))) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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