UT2955G-AA3-R

{
  "slug": "ut2955g-aa3-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC Unisonic Tech MOSFETs, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "ut2955g-aa3-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ut2955g-aa3-r.kicad_sym",
    "ut2955g-aa3-r.kicad_mod",
    "ut2955g-aa3-r.glb",
    "ut2955g-aa3-r.step",
    "ut2955g-aa3-r.lbr",
    "docs/hero.png",
    "docs/ut2955g-aa3-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ut2955g-aa3-r-hero.glb",
    "ut2955g-aa3-r-hero.overlay.json",
    "ut2955g-aa3-r-etched.glb"
  ],
  "component": {
    "mpn": "UT2955G-AA3-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183155842105344",
    "parts": {
      "symbol": "ut2955g-aa3-r.kicad_sym",
      "footprint": "ut2955g-aa3-r.kicad_mod",
      "model_3d": "ut2955g-aa3-r-hero.glb",
      "model_3d_plain": "ut2955g-aa3-r-etched.glb",
      "model_3d_step": "ut2955g-aa3-r-etched.step",
      "model_3d_step_plain": "ut2955g-aa3-r.step",
      "lbr": "ut2955g-aa3-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C127043"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:50:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate of the UT2955 P-channel MOSFET; the datasheet limits gate-source voltage VGSS to ±20 V."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain of the UT2955; the datasheet rates drain-source voltage VDSS at -60 V and continuous drain current ID at -1.7 A."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source of the UT2955; the datasheet gives it as the reference for the gate-source voltage rating (VGSS ±20 V)."
      }
    ],
    "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: Pinout taken from the ordering table on page 1 for UT2955G-AA3-R (SOT-223): 'G D S' mapped to pins 1; The datasheet text lists only three pins for SOT-223. A standard SOT-223 package has a fourth tab/he; Pin types are KiCad ERC classes assigned from MOSFET convention (gate = input, drain/source = passiv"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0268,
        "at": "2026-10-18T09:48:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183155842105344",
        "pages": 4,
        "sha256": "a3922e7ff40dea24",
        "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": "ut2955g-aa3-r.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ut2955g-aa3-r-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": "5b7761949faa2d9c00f0205edc7f7f9549fa0707c640624b6dc7b8bd7aad5b92",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}