MC33269ST-3.3T3G

{
  "slug": "mc33269st-3-3t3g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mc33269st-3.3t3g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc33269st-3-3t3g.kicad_sym",
    "mc33269st-3-3t3g.kicad_mod",
    "mc33269st-3-3t3g.glb",
    "mc33269st-3-3t3g.step",
    "mc33269st-3-3t3g.lbr",
    "docs/hero.png",
    "docs/mc33269st-3-3t3g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mc33269st-3-3t3g-hero.glb",
    "mc33269st-3-3t3g-hero.overlay.json"
  ],
  "component": {
    "mpn": "MC33269ST-3.3T3G",
    "manufacturer": "onsemi",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603039296177778688",
    "parts": {
      "symbol": "mc33269st-3-3t3g.kicad_sym",
      "footprint": "mc33269st-3-3t3g.kicad_mod",
      "model_3d": "mc33269st-3-3t3g-hero.glb",
      "model_3d_plain": "mc33269st-3-3t3g.glb",
      "model_3d_step": "mc33269st-3-3t3g-etched.step",
      "model_3d_step_plain": "mc33269st-3-3t3g.step",
      "lbr": "mc33269st-3-3t3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C232422",
      "mouser": "863-MC33269ST-3.3T3G"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T22:17:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 546 calls left today"
      },
      "mouser": {
        "pn": "863-MC33269ST-3.3T3G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND/Adj",
        "type": "power_in",
        "description": "Ground reference terminal for the fixed 3.3 V version; the datasheet labels this pin GND/Adj, and the Adj function applies only to the adjustable versions."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 3.3 V output (3.27 V to 3.33 V at 10 mA and 25°C), which needs an output capacitor of at least 10 µF with ESR between 0.2 Ω and 10 Ω for stability."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated input supply with a maximum rating of 20 V; a bypass capacitor of 0.33 µF or larger is recommended for transient response."
      },
      {
        "number": "4",
        "name": "Vout",
        "type": "power_out",
        "description": "Heatsink surface shown as terminal 4 in the case outline, internally connected to pin 2 (Vout), so it carries the regulated output potential."
      }
    ],
    "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 lists the SOT-223 pinout for the family as 1 GND/Adj, 2 Vout, 3 Vin, with the heatsink"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0947,
        "at": "2026-10-09T22:13:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603039296177778688",
        "pages": 15,
        "sha256": "f3d4e0daaeb2cc5e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mc33269st-3-3t3g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc33269st-3-3t3g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "922fbc86f505d5da06931b79088c8f204512fbbdf9b19595168520ee6669371f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}