MJL3281AG

{
  "slug": "mjl3281ag",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Bipolar Transistors - BJT, TO-264-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors",
    "mjl3281ag",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mjl3281ag.kicad_sym",
    "mjl3281ag.kicad_mod",
    "mjl3281ag.glb",
    "mjl3281ag.step",
    "mjl3281ag.lbr",
    "docs/hero.png",
    "docs/mjl3281ag-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mjl3281ag-hero.glb",
    "mjl3281ag-hero.overlay.json",
    "mjl3281ag-etched.glb"
  ],
  "component": {
    "mpn": "MJL3281AG",
    "manufacturer": "onsemi",
    "package": "TO-264-3",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mjl3281a-d.pdf",
    "parts": {
      "symbol": "mjl3281ag.kicad_sym",
      "footprint": "mjl3281ag.kicad_mod",
      "model_3d": "mjl3281ag-hero.glb",
      "model_3d_plain": "mjl3281ag-etched.glb",
      "model_3d_step": "mjl3281ag-etched.step",
      "model_3d_step_plain": "mjl3281ag.step",
      "lbr": "mjl3281ag.lbr"
    },
    "distributor_links": {
      "lcsc": "C327498",
      "digikey": "MJL3281AGOS-ND",
      "mouser": "863-MJL3281AG"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:22:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MJL3281AGOS-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-MJL3281AG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the MJL3281A NPN device, with continuous base current rated at 1.5 A."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal, rated for 15 A continuous collector current and 25 A peak (pulse width 5 ms, duty cycle below 10%)."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal, with emitter-base voltage rated at 5.0 V."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 5,
        "cost_usd": 0.0005,
        "at": "2026-10-27T00:22:31"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mjl3281a-d.pdf",
        "pages": 5,
        "sha256": "961136ac9597cd9a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -17.5,
        "centre_offset_mm": 0.975,
        "footprint_binding": "identity",
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        "checked": "2026-10-27",
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      },
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  }
}