DTC144TE

{
  "slug": "dtc144te",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Digital Transistors, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "dtc144te",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dtc144te.kicad_sym",
    "dtc144te.kicad_mod",
    "dtc144te.glb",
    "dtc144te.step",
    "dtc144te.lbr",
    "docs/hero.png",
    "docs/dtc144te-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dtc144te-hero.glb",
    "dtc144te-hero.overlay.json",
    "dtc144te-etched.glb"
  ],
  "component": {
    "mpn": "DTC144TE",
    "manufacturer": "Changjing",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590917921055465472",
    "parts": {
      "symbol": "dtc144te.kicad_sym",
      "footprint": "dtc144te.kicad_mod",
      "model_3d": "dtc144te-hero.glb",
      "model_3d_plain": "dtc144te-etched.glb",
      "model_3d_step": "dtc144te-etched.step",
      "model_3d_step_plain": "dtc144te.step",
      "lbr": "dtc144te.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269054"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:07:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Base input of the NPN digital transistor, tied to the built-in input bias resistor R1 (47 kΩ typical, 32.9 kΩ min, 61.1 kΩ max)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the device, the common reference for the NPN digital transistor and its bias network."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Collector output of the NPN digital transistor, rated for 50 V VCBO/VCEO and 100 mA collector current (absolute maximum ratings)."
      }
    ],
    "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: Pin assignments for DTC144TE (SOT-523) are taken from the text labels on page 1 ('DTC144TE SOT-523: ; The ordering table text is garbled. The DTC144TE to SOT-523 association is inferred from the pin-con; The datasheet does not explicitly label the transistor terminals as emitter, base, and collector on "
        ],
        "pages_sent": 15,
        "cost_usd": 0.0369,
        "at": "2026-10-17T21:03:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590917921055465472",
        "pages": 15,
        "sha256": "96ec7a9dc19923cf",
        "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": "dtc144te.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "28c18bc4b01a99902e47b8c71f01e5d5929470299a4394d6e30fcfcabaace052",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dtc144te-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fc0e05cfa9d10d84324b5f6e8c5f22b3b7cf8daed6c7aec5da5f623918b675f8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}