AP131-18WG-7

{
  "slug": "ap131-18wg-7",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Linear Voltage Regulators (LDO), SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ap131-18wg-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap131-18wg-7.kicad_sym",
    "ap131-18wg-7.kicad_mod",
    "ap131-18wg-7.glb",
    "ap131-18wg-7.step",
    "ap131-18wg-7.lbr",
    "docs/hero.png",
    "docs/ap131-18wg-7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap131-18wg-7-hero.glb",
    "ap131-18wg-7-hero.overlay.json"
  ],
  "component": {
    "mpn": "AP131-18WG-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-25",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP131-18WG-7.pdf",
    "parts": {
      "symbol": "ap131-18wg-7.kicad_sym",
      "footprint": "ap131-18wg-7.kicad_mod",
      "model_3d": "ap131-18wg-7-hero.glb",
      "model_3d_plain": "ap131-18wg-7.glb",
      "model_3d_step": "ap131-18wg-7-etched.step",
      "model_3d_step_plain": "ap131-18wg-7.step",
      "lbr": "ap131-18wg-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C7502235",
      "digikey": "AP131-18WGTR-ND",
      "mouser": "621-AP131-18WG-7"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T00:50:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AP131-18WGTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-AP131-18WG-7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin; the datasheet recommends VIN from 2.7 V to 5.5 V, and the absolute maximum input voltage (VCC) is 6 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the regulator."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin that turns the output on when driven above 1.5 V (VENON) and off when at or below 0.8 V (VENOFF); it must not exceed VIN."
      },
      {
        "number": "4",
        "name": "BP",
        "type": "passive",
        "description": "Band-gap reference node where an external capacitor (CBP) can be connected to reduce output noise."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage pin, rated for up to 300 mA output current (IOUT 0 to 300 mA recommended)."
      }
    ],
    "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: The datasheet pin-assignment drawing is garbled in text form: the pin numbers 2 through 5 are printe; The EN description uses the typical electrical limits from the Electrical Characteristics table (VEN; The MPN AP131-18WG-7 is the 1.8 V output, green-compound, SOT25, 3000-piece tape-and-reel variant (i"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0023,
        "at": "2026-11-13T00:50:04"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP131-18WG-7.pdf",
        "pages": 7,
        "sha256": "3398951f7d054688",
        "source_tier": "mfr"
      },
      "cad": "land: KiCad official (CC-BY-SA 4.0); 3D: generated from the datasheet",
      "model_3d_generated": {
        "generator": "factory/gen_pkg3d.py",
        "family": "SOT",
        "height_mm": 1.1,
        "height_basis": "datasheet A, nominal",
        "standoff_mm": 0.05,
        "standoff_basis": "family nominal (no datasheet A1 read)",
        "lead_width_mm": 0.36,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 0.95 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.172,
        "lead_thickness_basis": "default for pitch 0.95 mm, height 1.1 mm (no datasheet c read)"
      },
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ap131-18wg-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.8,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f0d2ee28185c20e6d57f973506f62396ad5000a5af58178a5436672293d0df20",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap131-18wg-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.8,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c1d5f96d5d973bb93d6f7941ccee8f267277bc7a7bee6122472e17da7fafb42",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT25",
      "source_page": 6,
      "D": {
        "nom_mm": 2.8,
        "range_mm": [
          2.7,
          3.0
        ]
      },
      "E1": {
        "nom_mm": 1.6,
        "range_mm": [
          1.5,
          1.7
        ]
      },
      "E": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.95,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.1,
        "range_mm": [
          1.0,
          1.3
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ap131-18wg-7.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}