EMG3T2R

{
  "slug": "emg3t2r",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon Digital Transistors, SOT-553-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "emg3t2r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "emg3t2r.kicad_sym",
    "emg3t2r.kicad_mod",
    "emg3t2r.glb",
    "emg3t2r.step",
    "emg3t2r.lbr",
    "docs/hero.png",
    "docs/emg3t2r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "emg3t2r-hero.glb",
    "emg3t2r-hero.overlay.json"
  ],
  "component": {
    "mpn": "EMG3T2R",
    "manufacturer": "ROHM Semicon",
    "package": "SOT-553-5",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223724168851456",
    "parts": {
      "symbol": "emg3t2r.kicad_sym",
      "footprint": "emg3t2r.kicad_mod",
      "model_3d": "emg3t2r-hero.glb",
      "model_3d_plain": "emg3t2r.glb",
      "model_3d_step": "emg3t2r-etched.step",
      "model_3d_step_plain": "emg3t2r.step",
      "lbr": "emg3t2r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2941610",
      "digikey": "846-EMG3T2RTR-ND",
      "mouser": "755-EMG3T2R"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T14:13:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "846-EMG3T2RTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "755-EMG3T2R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B1",
        "type": "input",
        "description": "DTr1 base input, connected through the internal 4.7kΩ R1 (DTC143T) to the DTr1 transistor base; VEBO max 5V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Common emitter of DTr1 and DTr2, typically tied to ground; emitter-base breakdown BVEBO min 5V."
      },
      {
        "number": "3",
        "name": "B2",
        "type": "input",
        "description": "DTr2 base input, connected through the internal 4.7kΩ R1 to the DTr2 transistor base; VEBO max 5V."
      },
      {
        "number": "4",
        "name": "C2",
        "type": "passive",
        "description": "DTr2 collector output; VCEO 50V max, IC 100mA max."
      },
      {
        "number": "5",
        "name": "C1",
        "type": "passive",
        "description": "DTr1 collector output; VCEO 50V max, IC 100mA 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: Pin numbers and functions come from the EMG3/UMG3N inner circuit table on page 1. EMG3T2R is the SOT",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2781,
        "at": "2026-10-09T14:11:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223724168851456",
        "pages": 9,
        "sha256": "5e314068211c697c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "emg3t2r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2219d28dc74f980a4614180a52f390c2a095740e92ee987e4ac96f80edf01c52",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "emg3t2r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "54223e0f567b24d3ee5432ea0de6ff4b817f0d411a5f77227e13a12d33d092b0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}