MMUN2111LT1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmun2111lt1g",
  "title": "MMUN2111LT1G",
  "brief": "onsemi Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "mmun2111lt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMUN2111LT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180218884640768",
    "parts": {
      "symbol": "mmun2111lt1g.kicad_sym",
      "footprint": "mmun2111lt1g.kicad_mod",
      "model_3d": "mmun2111lt1g-hero.glb",
      "model_3d_plain": "mmun2111lt1g.glb",
      "model_3d_step": "mmun2111lt1g-etched.step",
      "model_3d_step_plain": "mmun2111lt1g.step",
      "lbr": "mmun2111lt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C97123",
      "digikey": "MMUN2111LT1GOSTR-ND",
      "mouser": "863-MMUN2111LT1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:40:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MMUN2111LT1GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MMUN2111LT1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base (input) pin of the bias-resistor transistor; the internal series input resistor R1 is 10 kΩ typical (7.0 to 13 kΩ), and the input forward voltage is rated to 40 Vdc with input reverse voltage limited to 10 Vdc."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "power_in",
        "description": "Emitter pin, labeled GROUND on the datasheet, serving as the ground reference for the output stage and the base-emitter bias resistor R2 (10 kΩ)."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "output",
        "description": "Collector (output) pin; collector-emitter voltage is rated to 50 Vdc (VCEO) and continuous collector current to 100 mAdc."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 is classified as power_in because the datasheet labels it EMITTER (GROUND); the datasheet itse; The datasheet covers several packages (SC-59, SC-70, SC-75, SOT-723, SOT-1123, SOT-23). The SOT-23 p"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0795,
        "at": "2026-10-09T17:39:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180218884640768",
        "pages": 13,
        "sha256": "e48bb03ac1b8bdf5",
        "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": "mmun2111lt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmun2111lt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bd4d631baa6c9ae3e6f1495b2d61823e4fd841182db671f13a11749a441d374d",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmun2111lt1g"
  ],
  "discovery_pitch": "MMUN2111LT1G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "mmun2111lt1g.kicad_sym",
    "mmun2111lt1g.kicad_mod",
    "mmun2111lt1g.glb",
    "mmun2111lt1g.step",
    "mmun2111lt1g.lbr",
    "docs/hero.png",
    "docs/mmun2111lt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmun2111lt1g-hero.glb",
    "mmun2111lt1g-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}