main
Ray dtc143emt2l: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) 4f4be1b 17d ago
{
  "slug": "dtc143emt2l",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon Digital Transistors, SOT-723. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "dtc143emt2l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dtc143emt2l.kicad_sym",
    "dtc143emt2l.kicad_mod",
    "dtc143emt2l.glb",
    "dtc143emt2l.step",
    "dtc143emt2l.lbr",
    "docs/hero.png",
    "docs/dtc143emt2l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dtc143emt2l-hero.glb",
    "dtc143emt2l-hero.overlay.json"
  ],
  "component": {
    "mpn": "DTC143EMT2L",
    "manufacturer": "ROHM Semicon",
    "package": "SOT-723",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229275346296832",
    "parts": {
      "symbol": "dtc143emt2l.kicad_sym",
      "footprint": "dtc143emt2l.kicad_mod",
      "model_3d": "dtc143emt2l-hero.glb",
      "model_3d_plain": "dtc143emt2l.glb",
      "model_3d_step": "dtc143emt2l-etched.step",
      "model_3d_step_plain": "dtc143emt2l.step",
      "lbr": "dtc143emt2l.lbr"
    },
    "distributor_links": {
      "lcsc": "C3000090",
      "digikey": "DTC143EMT2LTR-ND",
      "mouser": "755-DTC143EMT2L"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T12:09:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DTC143EMT2LTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "755-DTC143EMT2L",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN (BASE)",
        "type": "input",
        "description": "Base input through built-in R1 = 4.7kΩ, with VI(off) max 0.5V at VCC = 5V and VI(on) min 3.0V, input voltage range -10 to 30V."
      },
      {
        "number": "2",
        "name": "GND (EMITTER)",
        "type": "power_in",
        "description": "Ground/emitter terminal, connected to the base through built-in R2 = 4.7kΩ."
      },
      {
        "number": "3",
        "name": "OUT (COLLECTOR)",
        "type": "output",
        "description": "Open-collector output, rated VCC 50V and output current up to 100mA, with VO(on) max 300mV at IO = 10mA."
      }
    ],
    "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 assignment for SOT-723 (DTC143EM, VMT3) is taken from the inner-circuit diagram on page 1: (1) I",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.2594,
        "at": "2026-10-09T12:06:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229275346296832",
        "pages": 13,
        "sha256": "1fec9c7eb9443da1",
        "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": "dtc143emt2l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.2,
          0.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4ac9b79fd8ec8d3e2027c316db4470d18b6da6eafe267f7e48bbaa9a9e63dfad",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dtc143emt2l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.2,
          0.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "606b04ee7f5c5ec7614722d014b9e732509cf14e207918171a647337a38f73b0",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}