MMBT4401_R1_00001

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbt4401-r1-00001",
  "title": "MMBT4401_R1_00001",
  "brief": "PANJIT International Bipolar (BJT), 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": [
    "component",
    "transistors-thyristors",
    "mmbt4401_r1_00001",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMBT4401_R1_00001",
    "manufacturer": "PANJIT International",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586191503169900544",
    "parts": {
      "symbol": "mmbt4401-r1-00001.kicad_sym",
      "footprint": "mmbt4401-r1-00001.kicad_mod",
      "model_3d": "mmbt4401-r1-00001-hero.glb",
      "model_3d_plain": "mmbt4401-r1-00001.glb",
      "model_3d_step": "mmbt4401-r1-00001-etched.step",
      "model_3d_step_plain": "mmbt4401-r1-00001.step",
      "lbr": "mmbt4401-r1-00001.lbr"
    },
    "distributor_links": {
      "lcsc": "C282308",
      "mouser": "241-MMBT4401R100001"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:52:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
      },
      "mouser": {
        "pn": "241-MMBT4401R100001",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor, shown on the lower-left lead in the top view; VEBO max 6 V and VCBO max 60 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor, shown on the lower-right lead (arrow) in the top view; VEBO max 6 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor, shown on the single top lead in the top view; VCEO 40 V, VCBO 60 V, IC continuous 600 mA."
      }
    ],
    "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 Fig.34 top-view drawing on page 1 shows no pin numbers. Functions come from the symbol: the sing; MMBT4401_R1_00001 is the SOT-23, 3K pcs / 7\" reel, halogen-free version (marking M4A), so the pinout",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.2084,
        "at": "2026-10-09T23:49:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586191503169900544",
        "pages": 6,
        "sha256": "2d4617124119f881",
        "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": "mmbt4401-r1-00001.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": "mmbt4401-r1-00001-etched.step",
        "role": "eda",
        "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": "e0966da513f5a3c01c4bd6967fbe6938490be973ba36a4f75c9c5cdbab8c8c7f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PANJIT International",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmbt4401_r1_00001"
  ],
  "discovery_pitch": "MMBT4401_R1_00001 (PANJIT International) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbt4401-r1-00001.kicad_sym",
    "mmbt4401-r1-00001.kicad_mod",
    "mmbt4401-r1-00001.glb",
    "mmbt4401-r1-00001.step",
    "mmbt4401-r1-00001.lbr",
    "docs/hero.png",
    "docs/mmbt4401-r1-00001-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbt4401-r1-00001-hero.glb",
    "mmbt4401-r1-00001-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}