MMBT4401LT1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbt4401lt1g",
  "title": "MMBT4401LT1G",
  "brief": "onsemi Bipolar (BJT), SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbt4401lt1g"
  ],
  "component": {
    "mpn": "MMBT4401LT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175479904129024",
    "parts": {
      "symbol": "mmbt4401lt1g.kicad_sym",
      "footprint": "mmbt4401lt1g.kicad_mod",
      "model_3d": "mmbt4401lt1g-etched.glb",
      "model_3d_plain": "mmbt4401lt1g.glb",
      "model_3d_step": "mmbt4401lt1g-etched.step",
      "model_3d_step_plain": "mmbt4401lt1g.step",
      "lbr": "mmbt4401lt1g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN BJT. Emitter-base breakdown voltage VEBO = 6.0 V; VBE(sat) up to 0.95 V at IC = 150 mA, IB = 15 mA."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the NPN BJT. Common return for base-emitter and collector-emitter junctions; VCEO = 40 V, VEBO = 6.0 V."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the NPN BJT. VCBO = 60 V, VCEO = 40 V, continuous IC = 600 mA (peak 900 mA); VCE(sat) 0.4 V @ IC = 150 mA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175479904129024",
        "pages": 7,
        "sha256": "ec9a51f6e1ef89d0",
        "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": "mmbt4401lt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbt4401lt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7c30daa01dd1b96b48da4884e1ce0e2fd329228badc3c0c83975a56261a5a802",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "MMBT4401LT1G",
      "kind": "packaging"
    },
    {
      "mpn": "MMBT4401LT1GLT3G",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmbt4401lt1g"
  ],
  "discovery_pitch": "MMBT4401LT1G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbt4401lt1g.kicad_sym",
    "mmbt4401lt1g.kicad_mod",
    "mmbt4401lt1g.glb",
    "mmbt4401lt1g.step",
    "mmbt4401lt1g.lbr",
    "docs/hero.png",
    "docs/mmbt4401lt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T02:10:45.105Z"
}