2N2222A

{
  "schema_version": 1,
  "type": "component",
  "slug": "2n2222a",
  "title": "2N2222A",
  "brief": "ST Semtech Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "2n2222a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "2N2222A",
    "manufacturer": "ST Semtech",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889799751585792",
    "parts": {
      "symbol": "2n2222a.kicad_sym",
      "footprint": "2n2222a.kicad_mod",
      "model_3d": "2n2222a-hero.glb",
      "model_3d_plain": "2n2222a.glb",
      "model_3d_step": "2n2222a-etched.step",
      "model_3d_step_plain": "2n2222a.step",
      "lbr": "2n2222a.lbr"
    },
    "distributor_links": {
      "lcsc": "C118536",
      "digikey": "1086-15179-ND",
      "mouser": "494-2N2222A"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T03:23:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1086-15179-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "494-2N2222A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor, with the emitter-base voltage rated VEBO 5 V for 2N2222 and 6 V for 2N2222A at Ta = 25 °C."
      },
      {
        "number": "2",
        "name": "Base",
        "type": "passive",
        "description": "Base terminal of the NPN transistor, with base-emitter saturation voltage VBE(sat) specified at IC = 150 mA, IB = 15 mA and at IC = 500 mA, IB = 50 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor, with collector current rated to 600 mA, collector-emitter voltage VCEO 30 V (2N2222) / 40 V (2N2222A), and total power dissipation Ptot 625 mW."
      }
    ],
    "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 gives the TO-92 pin order only once (page 1: '1. Emitter 2. Base 3. Collector TO-92 Pl; The datasheet states that 'On special request, these transistors can be manufactured in different pi; The datasheet does not give per-pin electrical limits. The descriptions reference the absolute maxim"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0219,
        "at": "2026-10-09T03:22:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889799751585792",
        "pages": 3,
        "sha256": "b51b38d1b69e1b15",
        "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": "2n2222a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2n2222a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          3.745,
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        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "d70962b285eb49239ecae71ec81bc44730ad8bec5207f165db92b0cf4f6c7201",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ST Semtech",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "2n2222a"
  ],
  "discovery_pitch": "2N2222A (ST Semtech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "2n2222a.kicad_sym",
    "2n2222a.kicad_mod",
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    "2n2222a.step",
    "2n2222a.lbr",
    "docs/hero.png",
    "docs/2n2222a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "2n2222a-hero.glb",
    "2n2222a-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}