main
Ray Set visibility: public 57dce2d 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ch441psr",
  "title": "CH441PSR",
  "brief": "COSEMITECH Linear Hall Sensors, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "magnetic sensors",
    "ch441psr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CH441PSR",
    "manufacturer": "COSEMITECH",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Linear Hall Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885110845788160",
    "parts": {
      "symbol": "ch441psr.kicad_sym",
      "footprint": "ch441psr.kicad_mod",
      "model_3d": "ch441psr-hero.glb",
      "model_3d_plain": "ch441psr-etched.glb",
      "model_3d_step": "ch441psr-etched.step",
      "model_3d_step_plain": "ch441psr.step",
      "lbr": "ch441psr.lbr"
    },
    "distributor_links": {
      "lcsc": "C455289"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:51:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin: the on-board regulator accepts 2.5 V to 22 V, with a supply voltage absolute maximum of 24 V and a reverse voltage limit of -22 V."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Open-drain NMOS output with an internal 10 kΩ pull-up resistor, short-circuit protected and rated to sink up to 25 mA, with an output voltage absolute range of -0.3 V to 24 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the device is protected when the VDD and GND pins are reversed, up to -22 V."
      }
    ],
    "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 pin-number mapping for SOT-23-3L (pin 1 = VDD, pin 2 = OUT, pin 3 = GND) comes from the Section ; The datasheet labels VDD as 'Supply' and GND as 'Ground'. VDD was mapped to power_in and GND to powe; The datasheet is marked 'Preliminary Datasheet 1.0' and states that details are subject to change, s"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0529,
        "at": "2026-10-18T07:50:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885110845788160",
        "pages": 15,
        "sha256": "b004d9853b04520c",
        "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": "ch441psr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch441psr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d55a82952dbc572a27ac48cc2a331c204b803bc5f3aa0ac7d1aa3df2bfdd30fb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSEMITECH",
      "Package": "SOT-23-3L",
      "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 CHA44XP/CH44XP",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "b004d9853b04520c0e12cfc3fba6bec457b941c9c87fe839099aeccc8def08c8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b004d9853b04520c0e12cfc3fba6bec457b941c9c87fe839099aeccc8def08c8",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 22,
          "conditions": "-40 °C to 150 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": 3,
          "conditions": "VDD = 3.3V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-on time",
          "symbol": "tPO",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "TA = 25°C; CLOAD = 10 pF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output saturation voltage",
          "symbol": "VDSon",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "at 20mA, Gauss >BOP",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VOUT = 24 V; Switch state = Off",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "IOUT(lim)",
          "kind": "electrical",
          "unit": "mA",
          "min": 30,
          "typ": null,
          "max": 90,
          "conditions": "Short-Circuit Protection",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output rise time",
          "symbol": "TR",
          "kind": "timing",
          "unit": "uS",
          "min": null,
          "typ": 0.2,
          "max": 2,
          "conditions": "RLOAD = 820 Ω, CLOAD = 10 pF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output fall time",
          "symbol": "TF",
          "kind": "timing",
          "unit": "uS",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "RLOAD = 820Ω, CLOAD = 10 pF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Magnetic operating point (CH441P, BOP)",
          "symbol": "BOP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 6,
          "typ": 15,
          "max": 36,
          "conditions": "TA=-40oC to 150oC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Magnetic release point (CH441P, BRP)",
          "symbol": "BRP",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -36,
          "typ": -15,
          "max": -6,
          "conditions": "TA=-40oC to 150oC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Magnetic hysteresis window (CH441P)",
          "symbol": "BHYST",
          "kind": "electrical",
          "unit": "Gauss",
          "min": 12,
          "typ": 30,
          "max": 50,
          "conditions": "|BOP-BRP|; TA=-40oC to 150oC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Magnetic offset (CH441P)",
          "symbol": "Bo",
          "kind": "electrical",
          "unit": "Gauss",
          "min": -15,
          "typ": 0,
          "max": 15,
          "conditions": "BO = (BOP + BRP) / 2; TA=-40oC to 150oC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (electrical table)",
          "symbol": "TS",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD reverse voltage",
          "symbol": "VRDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -22,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 165,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "RTH",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 303,
          "max": null,
          "conditions": "SOT-23-3L package",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ch441psr"
  ],
  "discovery_pitch": "CH441PSR (COSEMITECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "ch441psr.kicad_mod",
    "ch441psr.glb",
    "ch441psr.step",
    "ch441psr.lbr",
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    "docs/ch441psr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch441psr-hero.glb",
    "ch441psr-hero.overlay.json",
    "ch441psr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}