STLD128DNT4

{
  "slug": "stld128dnt4",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Bipolar (BJT), DPAK. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "stld128dnt4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stld128dnt4.kicad_sym",
    "stld128dnt4.kicad_mod",
    "stld128dnt4.glb",
    "stld128dnt4.step",
    "stld128dnt4.lbr",
    "docs/hero.png",
    "docs/stld128dnt4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stld128dnt4-hero.glb",
    "stld128dnt4-hero.overlay.json"
  ],
  "component": {
    "mpn": "STLD128DNT4",
    "manufacturer": "STMicroelectronics",
    "package": "DPAK",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600670938631450624",
    "parts": {
      "symbol": "stld128dnt4.kicad_sym",
      "footprint": "stld128dnt4.kicad_mod",
      "model_3d": "stld128dnt4-hero.glb",
      "model_3d_plain": "stld128dnt4.glb",
      "model_3d_step": "stld128dnt4-etched.step",
      "model_3d_step_plain": "stld128dnt4.step",
      "lbr": "stld128dnt4.lbr"
    },
    "distributor_links": {
      "lcsc": "C3198536",
      "digikey": "497-8786-2-ND",
      "mouser": "511-STLD128DNT4"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T16:18:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-8786-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STLD128DNT4",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor; base current is rated 2 A continuous and 4 A peak (tP < 5 ms)."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector, connected to the TAB; VCES is 700 V, VCEO is 400 V and collector current is 4 A (8 A peak)."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter, with the integrated antiparallel collector-emitter diode connected between emitter and collector."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The DPAK drawing on page 1 labels only pins 1 and 3 plus the TAB; pin 2 = collector comes from the i",
          "dropped thermal pad ['EP'] absent from footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.2212,
        "at": "2026-10-10T16:18:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600670938631450624",
        "pages": 14,
        "sha256": "860fe71691261544",
        "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": "stld128dnt4.step",
        "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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stld128dnt4-etched.step",
        "role": "eda",
        "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": "176cebc5b9e88e070c74c38a25338f30857b29693e89b04a03541878319d4d04",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}