AP2121AK-2.5TRE1

{
  "slug": "ap2121ak-2-5tre1",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ap2121ak-2.5tre1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap2121ak-2-5tre1.kicad_sym",
    "ap2121ak-2-5tre1.kicad_mod",
    "ap2121ak-2-5tre1.glb",
    "ap2121ak-2-5tre1.step",
    "ap2121ak-2-5tre1.lbr",
    "docs/hero.png",
    "docs/ap2121ak-2-5tre1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap2121ak-2-5tre1-hero.glb",
    "ap2121ak-2-5tre1-hero.overlay.json"
  ],
  "component": {
    "mpn": "AP2121AK-2.5TRE1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP2121AK-2.5TRE1.pdf",
    "parts": {
      "symbol": "ap2121ak-2-5tre1.kicad_sym",
      "footprint": "ap2121ak-2-5tre1.kicad_mod",
      "model_3d": "ap2121ak-2-5tre1-hero.glb",
      "model_3d_plain": "ap2121ak-2-5tre1.glb",
      "model_3d_step": "ap2121ak-2-5tre1-etched.step",
      "model_3d_step_plain": "ap2121ak-2-5tre1.step",
      "lbr": "ap2121ak-2-5tre1.lbr"
    },
    "distributor_links": {
      "lcsc": "C5564072",
      "digikey": "31-AP2121AK-2.5TRE1TR-ND",
      "mouser": "621-AP2121AK-2.5TRE1"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T05:57:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-AP2121AK-2.5TRE1TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-AP2121AK-2.5TRE1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply, operating range 2V to 6V (6.5V absolute maximum), requiring a 1µF input capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Active-high enable input with built-in pull-down resistor (typ 5MΩ); logic high (≥1.5V) enables the output and logic low (≤0.25V) shuts down."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.5V output (±2%) delivering at least 200mA, requiring more than 1µF output capacitance with ESR from 0.01Ω to 100Ω."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 28,
        "cost_usd": 0.0941,
        "at": "2026-11-13T05:57:09"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP2121AK-2.5TRE1.pdf",
        "pages": 28,
        "sha256": "41e2a9b4a27eea83",
        "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": 1.45,
        "height_basis": "datasheet A, max",
        "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 1.45 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": "ap2121ak-2-5tre1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.875,
          2.91,
          1.45
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7710275ef89e54c67daeb6cbc5473f31526018922c3102f7904476f24bb0fc23",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap2121ak-2-5tre1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.875,
          2.91,
          1.45
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b41ff11cf9429254a881c286a9b04fe490b82b447f4c35705169388468a24149",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT-23-5",
      "source_page": 23,
      "D": {
        "nom_mm": 2.91,
        "range_mm": [
          2.82,
          3.0
        ]
      },
      "E1": {
        "nom_mm": 1.6,
        "range_mm": [
          1.5,
          1.7
        ]
      },
      "E": {
        "nom_mm": 2.875,
        "range_mm": [
          2.65,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.95,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.45,
        "range_mm": [
          null,
          1.45
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ap2121ak-2-5tre1.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}