DTC144EE

{
  "schema_version": 1,
  "type": "component",
  "slug": "dtc144ee",
  "title": "DTC144EE",
  "brief": "TWGMC Digital Transistors, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
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  "component": {
    "mpn": "DTC144EE",
    "manufacturer": "TWGMC",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/276cc5c7c7021cfeab7c515c695a4bd8.pdf",
    "parts": {
      "symbol": "dtc144ee.kicad_sym",
      "footprint": "dtc144ee.kicad_mod",
      "model_3d": "dtc144ee-hero.glb",
      "model_3d_plain": "dtc144ee.glb",
      "model_3d_step": "dtc144ee-etched.step",
      "model_3d_step_plain": "dtc144ee.step",
      "lbr": "dtc144ee.lbr"
    },
    "distributor_links": {
      "lcsc": "C47283710"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T14:34:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input pin of the built-in bias-resistor inverter; the datasheet rates the input voltage VIN at -10 to +40 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the transistor and bias network."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Collector output of the digital transistor; the datasheet limits output current IO to 30 mA (peak collector current ICM 100 mA) and supply voltage VCC to 50 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The DTC144EE SOT-523 pinout (1 IN, 2 GND, 3 OUT) is taken from the page 1 pin-connection block, whic; The datasheet gives no separate pin-level electrical limits. The pin descriptions combine the page 2"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0242,
        "at": "2026-10-09T14:31:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/276cc5c7c7021cfeab7c515c695a4bd8.pdf",
        "pages": 7,
        "sha256": "453b60c2b171b541",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "faf1894bd1ed8976b5ed6c67969a098b4a7b35c0a3aff49afea79bfabcc70379",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dtc144ee-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fc67fa0d2ce0f8aa4d006135d0d973ce154f3561248ef4ac7ffc3c32a9ca281f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TWGMC",
      "Package": "SOT-523",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dtc144ee"
  ],
  "discovery_pitch": "DTC144EE (TWGMC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "dtc144ee.kicad_sym",
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    "dtc144ee.glb",
    "dtc144ee.step",
    "dtc144ee.lbr",
    "docs/hero.png",
    "docs/dtc144ee-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dtc144ee-hero.glb",
    "dtc144ee-hero.overlay.json"
  ],
  "visibility": {
    "public": true
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}