MMBTA14W

{
  "slug": "mmbta14w",
  "version": "0.1.0",
  "type": "component",
  "description": "ST Semtech Darlington Transistors, SOT-323. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbta14w",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbta14w.kicad_sym",
    "mmbta14w.kicad_mod",
    "mmbta14w.glb",
    "mmbta14w.step",
    "mmbta14w.lbr",
    "docs/hero.png",
    "docs/mmbta14w-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "MMBTA14W",
    "manufacturer": "ST Semtech",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913733490126848",
    "parts": {
      "symbol": "mmbta14w.kicad_sym",
      "footprint": "mmbta14w.kicad_mod",
      "model_3d": "mmbta14w-etched.glb",
      "model_3d_plain": "mmbta14w.glb",
      "model_3d_step": "mmbta14w-etched.step",
      "model_3d_step_plain": "mmbta14w.step",
      "lbr": "mmbta14w.lbr"
    },
    "distributor_links": {
      "lcsc": "C596245"
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base - NPN Darlington input; VBE(on) max 2 V at IC = 100 mA, VCE = 5 V; hFE min 10000 at IC = 10 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter - NPN Darlington emitter; VEBO max 10 V; IEBO max 100 nA at VEB = 10 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector - NPN Darlington collector; VCES 30 V, IC max 500 mA, VCE(sat) max 1.5 V at IC = 100 mA / IB = 0.1 mA, Ptot max 200 mW."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-4-6",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-7",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 1,
        "cost_usd": 0.1535,
        "at": "2026-09-21T21:12:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913733490126848",
        "pages": 1,
        "sha256": "3ffd180dac9050a8",
        "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": "mmbta14w.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbta14w-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7d3472e70778f5ad31b272a1bc7621bdbcbc88eecbae4d17a7f882c4ea8c570f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}