MMDT4401

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmdt4401",
  "title": "MMDT4401",
  "brief": "Yangzhou Yangjie Elec Tech Bipolar (BJT), SOT-363. 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",
    "mmdt4401",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMDT4401",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917944612610048",
    "parts": {
      "symbol": "mmdt4401.kicad_sym",
      "footprint": "mmdt4401.kicad_mod",
      "model_3d": "mmdt4401-hero.glb",
      "model_3d_plain": "mmdt4401.glb",
      "model_3d_step": "mmdt4401-etched.step",
      "model_3d_step_plain": "mmdt4401.step",
      "lbr": "mmdt4401.lbr"
    },
    "distributor_links": {
      "lcsc": "C968394"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T00:29:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of transistor 2 (Q2), per the equivalent circuit on page 1."
      },
      {
        "number": "2",
        "name": "B2",
        "type": "passive",
        "description": "Base of transistor 2 (Q2), per the equivalent circuit on page 1."
      },
      {
        "number": "3",
        "name": "C1",
        "type": "passive",
        "description": "Collector of transistor 1 (Q1); VCEO is 40 V and continuous IC is 600 mA."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of transistor 1 (Q1), per the equivalent circuit on page 1."
      },
      {
        "number": "5",
        "name": "B1",
        "type": "passive",
        "description": "Base of transistor 1 (Q1), per the equivalent circuit on page 1."
      },
      {
        "number": "6",
        "name": "C2",
        "type": "passive",
        "description": "Collector of transistor 2 (Q2); VCEO is 40 V and continuous IC is 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 pin table lists only Emitter/base/collector for pins 1-6. The E1/B1/C1/E2/B2/C2 names come from ; The datasheet gives no electrical type for these pins. They are set to passive for BJT terminals.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1782,
        "at": "2026-10-10T00:26:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917944612610048",
        "pages": 5,
        "sha256": "190d60b530e82145",
        "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": "mmdt4401.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmdt4401-etched.step",
        "role": "eda",
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          2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8e27739e04e57ed7783cd8f6657499937cc7402e7fed70d44850cc3b5a1b7de0",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Yangzhou Yangjie Elec Tech",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "190d60b530e82145",
      "rows": [
        {
          "name": "Collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "IC=100μA,IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "IC=1mA,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "IE=100μA,IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current - continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total device dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC=100μA,IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC=1mA,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE=100μA,IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCB=50V,IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "VCE=35V, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB=3V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE1",
          "symbol": "hFE1",
          "kind": "electrical",
          "unit": "",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VCE=1V,IC=0.1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE2",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE=1V,IC=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE3",
          "symbol": "hFE3",
          "kind": "electrical",
          "unit": "",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "VCE=1V,IC=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE4",
          "symbol": "hFE4",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "VCE=1V,IC=150mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE5",
          "symbol": "hFE5",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE=2V,IC=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IC=150mA,IB=15mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "IC=500mA,IB=50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.95,
          "conditions": "IC=150mA,IB=15mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IC=500mA,IB=50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "VCE=10V,IC=20mA,f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Delay time",
          "symbol": "td",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCC=30V,IC=150mA, IB1=15mA,VBE(off)=2V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage time",
          "symbol": "ts",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "VCC=30V,IC=150mA, IB1=- IB2=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "MMDT4401 (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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