AZ431AN-ATRG1-MS

{
  "schema_version": 1,
  "type": "component",
  "slug": "az431an-atrg1-ms",
  "title": "AZ431AN-ATRG1-MS",
  "brief": "MSKSEMI Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "az431an-atrg1-ms"
  ],
  "component": {
    "mpn": "AZ431AN-ATRG1-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304171800_MSKSEMI-AZ431AN-ATRG1-MS_C5449128.pdf",
    "parts": {
      "symbol": "az431an-atrg1-ms.kicad_sym",
      "footprint": "az431an-atrg1-ms.kicad_mod",
      "model_3d": "az431an-atrg1-ms-etched.glb",
      "model_3d_plain": "az431an-atrg1-ms.glb",
      "model_3d_step": "az431an-atrg1-ms-etched.step",
      "model_3d_step_plain": "az431an-atrg1-ms.step",
      "lbr": "az431an-atrg1-ms.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input. Internally compared to the 2.5V bandgap reference (Vref = 2.475-2.525V). Reference input current typ 1.5µA. Connected to the external resistor divider that sets Vout = Vref*(1+R1/R2)+R1*Iref."
      },
      {
        "number": "2",
        "name": "K",
        "type": "passive",
        "description": "Cathode. Shunt regulator cathode terminal; sinks the regulated current. Max cathode voltage 36V; continuous cathode current range -100 to +150mA. Minimum cathode current for regulation ~0.45mA."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Anode. Common return terminal for the shunt regulator; typically tied to circuit ground/low side of the resistor divider."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304171800_MSKSEMI-AZ431AN-ATRG1-MS_C5449128.pdf",
        "pages": 7,
        "sha256": "a2a785a6ee5ee4aa",
        "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": "az431an-atrg1-ms.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "az431an-atrg1-ms-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "222a0bd2e3efc899f1f47606b01ae0d6d8726272b2b0794b6578667ef77536c4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "az431an-atrg1-ms"
  ],
  "discovery_pitch": "AZ431AN-ATRG1-MS (MSKSEMI) 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",
    "az431an-atrg1-ms.kicad_sym",
    "az431an-atrg1-ms.kicad_mod",
    "az431an-atrg1-ms.glb",
    "az431an-atrg1-ms.step",
    "az431an-atrg1-ms-etched.step",
    "az431an-atrg1-ms.lbr",
    "docs/hero.png",
    "docs/az431an-atrg1-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:24:18.310Z"
}