MMDT3946-7-F

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmdt3946-7-f",
  "title": "MMDT3946-7-F",
  "brief": "Diodes Incorporated 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",
    "mmdt3946-7-f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMDT3946-7-F",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203559288819712",
    "parts": {
      "symbol": "mmdt3946-7-f.kicad_sym",
      "footprint": "mmdt3946-7-f.kicad_mod",
      "model_3d": "mmdt3946-7-f-hero.glb",
      "model_3d_plain": "mmdt3946-7-f.glb",
      "model_3d_step": "mmdt3946-7-f-etched.step",
      "model_3d_step_plain": "mmdt3946-7-f.step",
      "lbr": "mmdt3946-7-f.lbr"
    },
    "distributor_links": {
      "lcsc": "C151354",
      "digikey": "MMDT3946-FDITR-ND",
      "mouser": "621-MMDT3946-F"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T20:34:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MMDT3946-FDITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-MMDT3946-F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of the NPN 3904 transistor (VCEO 40 V, IC 200 mA max)."
      },
      {
        "number": "2",
        "name": "B2",
        "type": "passive",
        "description": "Base of the NPN 3904 transistor (VEBO 6.0 V max)."
      },
      {
        "number": "3",
        "name": "C1",
        "type": "passive",
        "description": "Collector of the PNP 3906 transistor (VCEO -40 V, IC -200 mA max)."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of the PNP 3906 transistor (VEBO -5.0 V max)."
      },
      {
        "number": "5",
        "name": "B1",
        "type": "passive",
        "description": "Base of the PNP 3906 transistor."
      },
      {
        "number": "6",
        "name": "C2",
        "type": "passive",
        "description": "Collector of the NPN 3904 transistor (VCBO 60 V, VCEO 40 V, IC 200 mA max)."
      }
    ],
    "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 datasheet's top-view pinout drawing labels the terminals E2, B2, C1 (bottom row, left to right, ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1676,
        "at": "2026-10-09T20:32:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586203559288819712",
        "pages": 8,
        "sha256": "eb8bcf40ea36d64b",
        "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": "mmdt3946-7-f.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmdt3946-7-f-etched.step",
        "role": "eda",
        "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": "515cbde2e08d2a65c6a3ab904782361171995bf28573c061380edcf92bbb4de3",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmdt3946-7-f"
  ],
  "discovery_pitch": "MMDT3946-7-F (Diodes Incorporated) 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",
    "mmdt3946-7-f.kicad_sym",
    "mmdt3946-7-f.kicad_mod",
    "mmdt3946-7-f.glb",
    "mmdt3946-7-f.step",
    "mmdt3946-7-f.lbr",
    "docs/hero.png",
    "docs/mmdt3946-7-f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmdt3946-7-f-hero.glb",
    "mmdt3946-7-f-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}