DTA143TCA

{
  "slug": "dta143tca",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "dta143tca",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dta143tca.kicad_sym",
    "dta143tca.kicad_mod",
    "dta143tca.glb",
    "dta143tca.step",
    "dta143tca.lbr",
    "docs/hero.png",
    "docs/dta143tca-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dta143tca-hero.glb",
    "dta143tca-hero.overlay.json",
    "dta143tca-etched.glb"
  ],
  "component": {
    "mpn": "DTA143TCA",
    "manufacturer": "Changjing",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946760928530432",
    "parts": {
      "symbol": "dta143tca.kicad_sym",
      "footprint": "dta143tca.kicad_mod",
      "model_3d": "dta143tca-hero.glb",
      "model_3d_plain": "dta143tca-etched.glb",
      "model_3d_step": "dta143tca-etched.step",
      "model_3d_step_plain": "dta143tca.step",
      "lbr": "dta143tca.lbr"
    },
    "distributor_links": {
      "lcsc": "C2910180"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:28:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input pin of the built-in bias resistor network, with input resistor R1 rated 4.7 kΩ typical (3.29 kΩ min, 6.11 kΩ max), so no external input resistor is needed."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the digital transistor, serving as the common reference for the input and output pins."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Output pin of the PNP digital transistor, rated for a collector-emitter voltage VCEO of -50 V and a collector current IC of -100 mA at Ta=25℃."
      }
    ],
    "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 SOT-23 pin assignment (1 IN, 2 GND, 3 OUT) is taken from the pin list on page 1 under 'DTA143TCA; The page 2 ordering table is garbled in extraction, so the SOT-23 ordering row (DTA1437CA as printed; The datasheet does not name the transistor terminals (emitter, base, collector) for each pin, so the"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0374,
        "at": "2026-10-17T15:26:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946760928530432",
        "pages": 15,
        "sha256": "df74b4ad679b0161",
        "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": "dta143tca.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dta143tca-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "37e54f2ce641a01db197fb8d1106513bca54588c385ae79072de42a58a1ea6ee",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}