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Ray Set visibility: public fb2889b 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ch444ntb",
  "title": "CH444NTB",
  "brief": "COSEMITECH Hall Switches, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "package": "TO-92S",
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    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
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      "lbr": "ch444ntb.lbr"
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    "distributor_links": {
      "lcsc": "C2879977"
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    "distributor_check": {
      "checked_at": "2026-10-17T22:57:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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        "type": "power_in",
        "description": "Supply voltage pin; the on-board regulator supports 2.5 V to 22 V, with absolute maximum VDD of 24 V and reverse voltage of -22 V."
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      },
      {
        "number": "3",
        "name": "OUT",
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        "description": "Open-drain NMOS output that pulls low when the field exceeds BOP, rated to sink up to 25 mA with output voltage limited to -0.3 V to 24 V and short-circuit current limited to 30 to 90 mA."
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
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          "extractor flagged: Output current rating is inconsistent in the datasheet: Absolute Maximum Ratings and Section 1 give ; The TO-92S pin mapping was read from a three-column table (SOT-23-3L, TO-92S, SOT-89-3L) in plain te"
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        "sha256": "bb180a03995d8124",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
        "cites_pages": true,
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": -2.5,
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        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-17",
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      },
      {
        "file": "ch444ntb-etched.step",
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  "metadata": {
    "specs": {
      "Manufacturer": "COSEMITECH",
      "Package": "TO-92S",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "and SOT-89. Each package type is lead (Pb) free (suffix, –T), with a 100% matte-tin-plated lead-frame. Cosemitech CHA44X/CH44X",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
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      "datasheet_sha256": "bb180a03995d81240ebe11af3a2d10d46d3f78a888793bbce2223ce5a64caf21"
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          "max": 22,
          "conditions": "-40 °C to 150 °C",
          "source_page": 7,
          "source": "datasheet"
        },
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          "name": "Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
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          "typ": 1.6,
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          "conditions": "VDD = 2.5V to 22V",
          "source_page": 7,
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        {
          "name": "Output saturation voltage",
          "symbol": "VDSon",
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          "typ": null,
          "max": 0.4,
          "conditions": "at 20mA, Gauss >BOP",
          "source_page": 7,
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          "name": "Output Leakage Current",
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          "name": "Output Current Limit",
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          "conditions": "TA = 25°C; CLOAD = 10 pF",
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          "conditions": "RLOAD = 820Ω, CLOAD = 10 pF",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Operating temperature",
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          "conditions": "",
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        {
          "name": "Storage temperature",
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          "kind": "electrical",
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          "min": -40,
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          "max": 150,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Magnetic operating point",
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          "unit": "Gauss",
          "min": -180,
          "typ": -120,
          "max": -70,
          "conditions": "TA=-40oC to 150oC",
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        {
          "name": "Magnetic release point",
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        {
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          "typ": 240,
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          "source_page": 8,
          "source": "datasheet"
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          "max": 30,
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          "source_page": 8,
          "source": "datasheet"
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        {
          "name": "Supply Current (absolute maximum)",
          "symbol": "IDD",
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          "typ": null,
          "max": 20,
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        {
          "name": "Supply Voltage (absolute maximum)",
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          "unit": "V",
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          "typ": null,
          "max": 24,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Output Voltage",
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          "min": -0.3,
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          "name": "Output Current",
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          "name": "Operating Ambient Temperature",
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          "name": "Storage Temperature (absolute maximum)",
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          "name": "Junction temperature",
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        {
          "name": "ESD HBM",
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          "min": -8000,
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          "name": "ESD MM",
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          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "All pins, MM per AEC-Q100-003",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "ESD CDM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -750,
          "typ": null,
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          "conditions": "All pins, CDM per AEC-Q100-011",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pull-up resistor R1",
          "symbol": "R1",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "To ensure the output driver can pull OUT close to GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient, TO-92S",
          "symbol": "RTH",
          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 203,
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          "source": "datasheet"
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      ]
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  "discovery_pitch": "CH444NTB (COSEMITECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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