DDTC144ECAQ-7-F

{
  "slug": "ddtc144ecaq-7-f",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors",
    "ddtc144ecaq-7-f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ddtc144ecaq-7-f.kicad_sym",
    "ddtc144ecaq-7-f.kicad_mod",
    "ddtc144ecaq-7-f.glb",
    "ddtc144ecaq-7-f.step",
    "ddtc144ecaq-7-f.lbr",
    "docs/hero.png",
    "docs/ddtc144ecaq-7-f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ddtc144ecaq-7-f-hero.glb",
    "ddtc144ecaq-7-f-hero.overlay.json",
    "ddtc144ecaq-7-f-etched.glb"
  ],
  "component": {
    "mpn": "DDTC144ECAQ-7-F",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://www.diodes.com/assets/Datasheets/DDTC144ECAQ-7-F.pdf",
    "parts": {
      "symbol": "ddtc144ecaq-7-f.kicad_sym",
      "footprint": "ddtc144ecaq-7-f.kicad_mod",
      "model_3d": "ddtc144ecaq-7-f-hero.glb",
      "model_3d_plain": "ddtc144ecaq-7-f-etched.glb",
      "model_3d_step": "ddtc144ecaq-7-f-etched.step",
      "model_3d_step_plain": "ddtc144ecaq-7-f.step",
      "lbr": "ddtc144ecaq-7-f.lbr"
    },
    "distributor_links": {
      "lcsc": "C526546",
      "digikey": "31-DDTC144ECAQ-7-FTR-ND",
      "mouser": "621-DDTC144ECAQ-7-F"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:34:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-DDTC144ECAQ-7-FTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-DDTC144ECAQ-7-F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input (base side, through R1) of the NPN pre-biased transistor, rated -10 to +40 V with respect to pin 2 for the DDTC144ECA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference, the emitter side, against which the 50 V supply voltage at pin 3 and the input voltage at pin 1 are rated."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Output (collector) of the transistor, rated at VCC 50 V maximum to pin 2 and 30 mA maximum output current for the DDTC144ECA."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-number-to-function mapping is not printed as a table. It is inferred from the page 1 schemat; The datasheet covers the whole DDTC..CA family. The limits quoted are for the DDTC144ECA (47 kΩ), th"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0656,
        "at": "2026-10-23T03:33:47"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/DDTC144ECAQ-7-F.pdf",
        "pages": 5,
        "sha256": "b71e1c1af45adb44",
        "source_tier": "mfr"
      },
      "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"
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.2
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ddtc144ecaq-7-f-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0.0,
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        "sha256": "ae47abb6777a1069b7ea9ed8c91cccccec133f612198196158018f8fb3caa35b",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}