ch411sr

{
  "slug": "ch411sr",
  "version": "0.1.0",
  "type": "component",
  "description": "COSEMITECH Hall Sensor, SOT-23-3L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensor",
    "ch411sr"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch411sr.kicad_sym",
    "ch411sr.kicad_mod",
    "ch411sr.glb",
    "ch411sr.step",
    "ch411sr.lbr",
    "docs/hero.png",
    "docs/ch411sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch411sr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "CH411SR",
    "manufacturer": "COSEMITECH",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Hall Sensor",
    "parts": {
      "symbol": "ch411sr.kicad_sym",
      "footprint": "ch411sr.kicad_mod",
      "model_3d": "ch411sr-etched.glb",
      "model_3d_plain": "ch411sr.glb",
      "model_3d_step": "ch411sr-etched.step",
      "model_3d_step_plain": "ch411sr.step",
      "lbr": "ch411sr.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin. Operating range 3.5 V to 30 V (absolute max 40 V, reverse -40 V). Supply current typ 4.0 mA, max 9 mA with B<B_RP."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Open-collector digital output. Sinks up to 20 mA (abs max 50 mA), V_DSon <= 0.4 V at 15 mA. Output driven LOW when magnetic flux density B > B_OP, HIGH (open) when B < B_RP; latches previous state when field is removed. Absolute max output voltage 40 V; leakage <=10 uA at 30 V. Requires an external pull-up resistor."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin. All voltages in the datasheet are referenced to GND."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C455283",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:55:46Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "ch411sr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch411sr-etched.step",
        "role": "eda",
        "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": "2b258ff8233a903d946cc36ec7c661db02ad9bf3570cb3d5d193702dc55e8115",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}