BCX55TF

{
  "slug": "bcx55tf",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Bipolar Transistors - BJT, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors",
    "bcx55tf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcx55tf.kicad_sym",
    "bcx55tf.kicad_mod",
    "bcx55tf.glb",
    "bcx55tf.step",
    "bcx55tf.lbr",
    "docs/hero.png",
    "docs/bcx55tf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcx55tf-hero.glb",
    "bcx55tf-hero.overlay.json",
    "bcx55tf-etched.glb"
  ],
  "component": {
    "mpn": "BCX55TF",
    "manufacturer": "Nexperia",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BCX55TF.pdf",
    "parts": {
      "symbol": "bcx55tf.kicad_sym",
      "footprint": "bcx55tf.kicad_mod",
      "model_3d": "bcx55tf-hero.glb",
      "model_3d_plain": "bcx55tf-etched.glb",
      "model_3d_step": "bcx55tf-etched.step",
      "model_3d_step_plain": "bcx55tf.step",
      "lbr": "bcx55tf.lbr"
    },
    "distributor_links": {
      "lcsc": "C549691"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:31:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor; VEBO max 5 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor; VCEO max 60 V, IC max 1 A (ICM 2 A single pulse tp ≤ 1 ms)."
      },
      {
        "number": "3",
        "name": "B",
        "type": "passive",
        "description": "Base of the NPN transistor; IB max 200 mA (IBM 300 mA single pulse tp ≤ 1 ms)."
      }
    ],
    "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": [
          "extractor flagged: Datasheet names the package SOT89 (SC-62), 3 leads, rather than 'SOT-89-3'; treated as the same pack"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0839,
        "at": "2026-10-27T07:31:33"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BCX55TF.pdf",
        "pages": 12,
        "sha256": "192cd8848a30be13",
        "source_tier": "mfr"
      },
      "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": "bcx55tf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcx55tf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "a02f511843adb4f498c5c8427745c1ed91d6058a4e714cb051038ca5c050387e",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}