AH49HSC

{
  "schema_version": 1,
  "type": "component",
  "slug": "ah49hsc",
  "title": "AH49HSC",
  "brief": "PJSEMI Hall Sensor, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "ah49hsc"
  ],
  "component": {
    "mpn": "AH49HSC",
    "manufacturer": "PJSEMI",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Sensor",
    "subcategory": "Hall Sensor",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c4483391f2dc7662cd53edeeb925ed04.pdf",
    "parts": {
      "symbol": "ah49hsc.kicad_sym",
      "footprint": "ah49hsc.kicad_mod",
      "model_3d": "ah49hsc-etched.glb",
      "model_3d_plain": "ah49hsc.glb",
      "model_3d_step": "ah49hsc-etched.step",
      "model_3d_step_plain": "ah49hsc.step",
      "lbr": "ah49hsc.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input. Recommended operating range 3 V to 8 V (absolute max 10 V DC, 50 V instantaneous). Typical supply current ~2 mA at VCC=3.3 V."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "Analog linear Hall-effect output. Described as 'Open Drain Output' in the pin table but functions as an analog current-source-driven voltage output (internal 65 µA current source, ~50 Ω output resistance). Quiescent voltage ~1.7 V at VCC=3.3 V (B=0 Gauss); swings ~0.85 V to ~2.6 V across ±3000 Gauss with sensitivity ~0.33 mV/Gauss."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / device return."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c4483391f2dc7662cd53edeeb925ed04.pdf",
        "pages": 6,
        "sha256": "982f64b0a4f5da07",
        "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": "ah49hsc.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": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ah49hsc-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": "e7a8f706bc0e3fdb23714302fde86ed92501035d844e4a61fdb240c87ab8cdd2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PJSEMI",
      "Package": "SOT-23",
      "Category": "Sensor",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ah49hsc"
  ],
  "discovery_pitch": "AH49HSC (PJSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ah49hsc.kicad_sym",
    "ah49hsc.kicad_mod",
    "ah49hsc.glb",
    "ah49hsc.step",
    "ah49hsc-etched.step",
    "ah49hsc.lbr",
    "docs/hero.png",
    "docs/ah49hsc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:09:17.981Z"
}