CH441PTB

{
  "slug": "ch441ptb",
  "version": "0.1.0",
  "type": "component",
  "description": "COSEMITECH Magnetic Sensors, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "ch441ptb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch441ptb.kicad_sym",
    "ch441ptb.kicad_mod",
    "ch441ptb.glb",
    "ch441ptb.step",
    "ch441ptb.lbr",
    "docs/hero.png",
    "docs/ch441ptb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch441ptb-hero.glb",
    "ch441ptb-hero.overlay.json",
    "ch441ptb-etched.glb"
  ],
  "component": {
    "mpn": "CH441PTB",
    "manufacturer": "COSEMITECH",
    "package": "TO-92S",
    "pin_count": 3,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7128dd30f2133c3930eeb929530fad56.pdf",
    "parts": {
      "symbol": "ch441ptb.kicad_sym",
      "footprint": "ch441ptb.kicad_mod",
      "model_3d": "ch441ptb-hero.glb",
      "model_3d_plain": "ch441ptb-etched.glb",
      "model_3d_step": "ch441ptb-etched.step",
      "model_3d_step_plain": "ch441ptb.step",
      "lbr": "ch441ptb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2879972"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T01:20:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply Voltage pin; the supply operates from 2.5 V to 22 V, with an absolute maximum supply voltage of 24 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the device is protected if VDD and GND are reversed, up to -22 V."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Open-drain NMOS output with an internal 10 kΩ pull-up resistor; it can 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."
      }
    ],
    "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: Pin mapping was taken from the pin table on page 5, which lists SOT-23-3L, TO-92S and SOT-89-3L colu; The datasheet is marked Preliminary (advanced information) and may change. The OUT pin description c; The ordering table lists CH441PTB under the CH44XP industry class, and the CHA44XP automotive class "
        ],
        "pages_sent": 15,
        "cost_usd": 0.0527,
        "at": "2026-11-05T01:20:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7128dd30f2133c3930eeb929530fad56.pdf",
        "pages": 15,
        "sha256": "fe0b8d7fc332f97d",
        "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": "ch441ptb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch441ptb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "54af49411928c011acfe79556dcf862e86e1c8a4da9a9386682341c91d5bf0ec",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TO-92S",
      "source_page": 12,
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ch441ptb.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}