CH443NSR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ch443nsr",
  "title": "CH443NSR",
  "brief": "COSEMITECH Hall Sensor, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "ch443nsr"
  ],
  "component": {
    "mpn": "CH443NSR",
    "manufacturer": "COSEMITECH",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Sensor",
    "subcategory": "Hall Sensor",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108231430_COSEMITECH-CH443NSR_C2880000.pdf",
    "parts": {
      "symbol": "ch443nsr.kicad_sym",
      "footprint": "ch443nsr.kicad_mod",
      "model_3d": "ch443nsr-etched.glb",
      "model_3d_plain": "ch443nsr.glb",
      "model_3d_step": "ch443nsr-etched.step",
      "model_3d_step_plain": "ch443nsr.step",
      "lbr": "ch443nsr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin. Operating range 2.5 V to 22 V (absolute max 24 V; reverse-battery protected to -22 V). Supply current up to 20 mA."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Open-collector digital output. Sinks up to 25 mA (short-circuit protected). Requires an external pull-up resistor to VDD. Output voltage range -0.3 V to 24 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2108231430_COSEMITECH-CH443NSR_C2880000.pdf",
        "pages": 15,
        "sha256": "bb180a03995d8124",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSEMITECH",
      "Package": "SOT-23-3L",
      "Category": "Sensor",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ch443nsr"
  ],
  "discovery_pitch": "CH443NSR (COSEMITECH) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch443nsr.kicad_sym",
    "ch443nsr.kicad_mod",
    "ch443nsr.glb",
    "ch443nsr.step",
    "ch443nsr.lbr",
    "docs/hero.png",
    "docs/ch443nsr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch443nsr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CH443NSR",
      "kind": "packaging"
    },
    {
      "mpn": "CH443NSRTB",
      "kind": "packaging"
    },
    {
      "mpn": "CH443NSRER",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:01:59.557Z"
}