MMBT5401DW

{
  "slug": "mmbt5401dw",
  "version": "0.1.0",
  "type": "component",
  "description": "Shikues Bipolar (BJT), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbt5401dw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbt5401dw.kicad_sym",
    "mmbt5401dw.kicad_mod",
    "mmbt5401dw.glb",
    "mmbt5401dw.step",
    "mmbt5401dw.lbr",
    "docs/hero.png",
    "docs/mmbt5401dw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbt5401dw-hero.glb",
    "mmbt5401dw-hero.overlay.json",
    "mmbt5401dw-etched.glb"
  ],
  "component": {
    "mpn": "MMBT5401DW",
    "manufacturer": "Shikues",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1484ff67b8968e9d3011e591e6d8a027.pdf",
    "parts": {
      "symbol": "mmbt5401dw.kicad_sym",
      "footprint": "mmbt5401dw.kicad_mod",
      "model_3d": "mmbt5401dw-hero.glb",
      "model_3d_plain": "mmbt5401dw-etched.glb",
      "model_3d_step": "mmbt5401dw-etched.step",
      "model_3d_step_plain": "mmbt5401dw.step",
      "lbr": "mmbt5401dw.lbr"
    },
    "distributor_links": {
      "lcsc": "C5344623",
      "digikey": "5399-MMBT5401DWTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T20:11:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5399-MMBT5401DWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of transistor 1 (PNP); VEBO max -6 V, V(BR)EBO -6 V min at IE=-10uA."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "passive",
        "description": "Base of transistor 1 (PNP); IEBO max -0.1 uA at VEB=-6V, VBE(sat) max -1 V at IC=-10mA."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "passive",
        "description": "Collector of transistor 2 (PNP); VCEO max -160 V, VCBO max -180 V, IC continuous -600 mA."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of transistor 2 (PNP); VEBO max -6 V, V(BR)EBO -6 V min at IE=-10uA."
      },
      {
        "number": "5",
        "name": "B2",
        "type": "passive",
        "description": "Base of transistor 2 (PNP); IEBO max -0.1 uA at VEB=-6V, VBE(sat) max -1 V at IC=-10mA."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Collector of transistor 1 (PNP); VCEO max -160 V, VCBO max -180 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: Pin names (E1/B1/C2/E2/B2/C1) were inferred from the small internal schematic on page 1; the datashe",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1591,
        "at": "2026-11-04T20:11:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1484ff67b8968e9d3011e591e6d8a027.pdf",
        "pages": 3,
        "sha256": "6dceb77a23edddd6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mmbt5401dw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbt5401dw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f401e4932819f07ea7f11d4aa5ee80381a3f498fba154b454daf33802a77a9a0",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT-363",
      "source_page": 3,
      "D": {
        "nom_mm": 2.045,
        "range_mm": [
          1.89,
          2.2
        ]
      },
      "E1": {
        "nom_mm": 1.25,
        "range_mm": [
          1.15,
          1.35
        ]
      },
      "E": {
        "nom_mm": 2.1,
        "range_mm": [
          2.0,
          2.2
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.95,
        "range_mm": [
          0.8,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "mmbt5401dw.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}