KF33BDT-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "kf33bdt-tr",
  "title": "KF33BDT-TR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "kf33bdt-tr"
  ],
  "component": {
    "mpn": "KF33BDT-TR",
    "manufacturer": "STMicroelectronics",
    "package": "DPAK",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/kf33bdt-tr.pdf",
    "parts": {
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      "footprint": "kf33bdt-tr.kicad_mod",
      "model_3d": "kf33bdt-tr-etched.glb",
      "model_3d_plain": "kf33bdt-tr.glb",
      "model_3d_step": "kf33bdt-tr-etched.step",
      "model_3d_step_plain": "kf33bdt-tr.step",
      "lbr": "kf33bdt-tr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. In DPAK this is the left lead and is electrically common with the exposed tab used as the primary heat-sinking surface."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output (nominal 3.3 V, tolerance +/-2% at 25 degC; 3.234-3.366 V at Io = 50 mA). Supports up to 500 mA continuous with internal current limit around 1 A. Requires a >=2.2 uF (ESR 0.1-10 ohm) output capacitor for stability."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated DC input supply, absolute maximum -0.5 V to 20 V. For 3.3 V operation Vi >= 4.3 V (Io = 0) or 4.6 V (Io = 500 mA) is required to stay out of dropout (Vd typ. 0.4 V at 500 mA). A 0.1 uF input bypass capacitor is recommended."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/kf33bdt-tr.pdf",
        "pages": 21,
        "sha256": "a683c58723f09c6f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kf33bdt-tr-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f547b44670f39a138a185681e87b8f4ba2e897d98eafe4fb25e65a1280865a9c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "DPAK",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "KF33BDT-TR",
      "kind": "packaging"
    },
    {
      "mpn": "KF33BDT-TRBD-TR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "kf33bdt-tr"
  ],
  "discovery_pitch": "KF33BDT-TR (STMicroelectronics) 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",
    "kf33bdt-tr.kicad_sym",
    "kf33bdt-tr.kicad_mod",
    "kf33bdt-tr.glb",
    "kf33bdt-tr.step",
    "kf33bdt-tr.lbr",
    "docs/hero.png",
    "docs/kf33bdt-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T23:19:47.008Z"
}