DTA144EUA

{
  "slug": "dta144eua",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "dta144eua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dta144eua.kicad_sym",
    "dta144eua.kicad_mod",
    "dta144eua.glb",
    "dta144eua.step",
    "dta144eua.lbr",
    "docs/hero.png",
    "docs/dta144eua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dta144eua-hero.glb",
    "dta144eua-hero.overlay.json",
    "dta144eua-etched.glb"
  ],
  "component": {
    "mpn": "DTA144EUA",
    "manufacturer": "Changjing",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Digital Transistors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2d2752a96b2c50f0b99be983a3ebf1be.pdf",
    "parts": {
      "symbol": "dta144eua.kicad_sym",
      "footprint": "dta144eua.kicad_mod",
      "model_3d": "dta144eua-hero.glb",
      "model_3d_plain": "dta144eua-etched.glb",
      "model_3d_step": "dta144eua-etched.step",
      "model_3d_step_plain": "dta144eua.step",
      "lbr": "dta144eua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2910241"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T22:50:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 986 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input pin; the input voltage VIN is rated from -40 V to +10 V and the input resistor is built in (R1 typ. 47 kΩ)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the built-in bias resistor inverter circuit."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Output pin; the output current IO is rated at -30 mA maximum."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 15,
        "cost_usd": 0.0005,
        "at": "2026-10-27T22:50:44"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2d2752a96b2c50f0b99be983a3ebf1be.pdf",
        "pages": 15,
        "sha256": "7ac7a5f3d7ec1c7e",
        "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": "dta144eua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dta144eua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e82aca57208f8154ce23dd993473f53de30f6ade42fd35cdd79d8fc558bd8fdc",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}