AH3712-SA-7

{
  "schema_version": 1,
  "type": "component",
  "slug": "ah3712-sa-7",
  "title": "AH3712-SA-7",
  "brief": "Diodes Incorporated Linear Hall Sensors, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "magnetic sensors",
    "ah3712-sa-7"
  ],
  "component": {
    "mpn": "AH3712-SA-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Linear Hall Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604309783683866624",
    "parts": {
      "symbol": "ah3712-sa-7.kicad_sym",
      "footprint": "ah3712-sa-7.kicad_mod",
      "model_3d": "ah3712-sa-7-etched.glb",
      "model_3d_plain": "ah3712-sa-7.glb",
      "model_3d_step": "ah3712-sa-7-etched.step",
      "model_3d_step_plain": "ah3712-sa-7.step",
      "lbr": "ah3712-sa-7.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input. Operating range 3.0V to 27V (absolute max 40V transient, load-dump up to 40V). Reverse supply rated to -18V. Recommended 10nF-100nF decoupling capacitor (CIN) to GND. Typical supply current IDD ≈ 2.8mA (max 4.8mA over temp)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Return for VDD, output current, and internal Hall-sensor bias circuits."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "output",
        "description": "Open-drain latch output (AH3712 variant; AH3712A includes internal ~14kΩ pull-up, AH3712B is inverted). Requires external pull-up resistor RL to VDD. VOUT_ON ≈ 0.25V typ (max 0.42V) at 20mA sink; output leakage <0.1µA typ at 27V off. Sinks up to 60mA absolute max with internal current limit IOCL of 30-60mA. Rated to 40V off-state; 36V zener clamp."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604309783683866624",
        "pages": null,
        "sha256": "5fa3d3302b2575c3",
        "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": [
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        "file": "ah3712-sa-7.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": "ah3712-sa-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "34fa81249d1f4fcdc7259c4e2bd890b176d3ebe6cc60c24684a08715497c4af6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-3",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "AH3712-SA-7",
      "kind": "packaging"
    },
    {
      "mpn": "AH3712-SA-7W-7",
      "kind": "packaging"
    },
    {
      "mpn": "AH3712-SA-7P-B",
      "kind": "packaging"
    }
  ],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "ah3712-sa-7"
  ],
  "discovery_pitch": "AH3712-SA-7 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
    "ah3712-sa-7.kicad_sym",
    "ah3712-sa-7.kicad_mod",
    "ah3712-sa-7.glb",
    "ah3712-sa-7.step",
    "ah3712-sa-7.lbr",
    "docs/hero.png",
    "docs/ah3712-sa-7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:08:53.520Z"
}