3DD4251T

{
  "slug": "3dd4251t",
  "version": "0.1.0",
  "type": "component",
  "description": "Jilin Sino-Microelectronics Bipolar Transistors - BJT, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "triode-mos tube-transistor",
    "3dd4251t",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "3dd4251t.glb",
    "3dd4251t.step",
    "3dd4251t.lbr",
    "docs/hero.png",
    "docs/3dd4251t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "3dd4251t-hero.glb",
    "3dd4251t-hero.overlay.json",
    "3dd4251t-etched.glb"
  ],
  "component": {
    "mpn": "3DD4251T",
    "manufacturer": "Jilin Sino-Microelectronics",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6b3788233db65dbe8a4ef4a668ed25a8.pdf",
    "parts": {
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      "footprint": "3dd4251t.kicad_mod",
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      "lbr": "3dd4251t.lbr"
    },
    "distributor_links": {
      "lcsc": "C3020069"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:00:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor; VEBO max 9 V, with V(BR)EBO min 9 V at IE=1 mA."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector; VCEO 400 V, VCES 700 V, IC 0.5 A DC and 1 A pulse."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor, which is the common return terminal."
      }
    ],
    "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 package hint TO-92-3 most likely maps to the plain TO-92 package (order codes 3DD4251T-T-*). The; The datasheet gives no pin electrical types, so passive was chosen for the collector and emitter and",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.2373,
        "at": "2026-10-22T21:00:02"
      },
      "datasheet": {
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        "pages": 6,
        "sha256": "5531d6e6cac3b91e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "zmin_mm": -2.5,
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        "checked": "2026-10-22",
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      },
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}