DTA143ECA

{
  "schema_version": 1,
  "type": "component",
  "slug": "dta143eca",
  "title": "DTA143ECA",
  "brief": "Changjing Digital Transistors, SOT-23. 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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    "transistors-thyristors",
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    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DTA143ECA",
    "manufacturer": "Changjing",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586179708594114560",
    "parts": {
      "symbol": "dta143eca.kicad_sym",
      "footprint": "dta143eca.kicad_mod",
      "model_3d": "dta143eca-etched.glb",
      "model_3d_plain": "dta143eca.glb",
      "model_3d_step": "dta143eca-etched.step",
      "model_3d_step_plain": "dta143eca.step",
      "lbr": "dta143eca.lbr"
    },
    "distributor_links": {
      "lcsc": "C68809"
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Inverter input; accepts -30 to +10 V with -3 V (on) to -0.5 V (off) logic thresholds and -1.8 mA input current at -5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; common reference for supply and signal."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Inverter output; provides -0.3 V at -100 mA maximum with -0.5 µA off-state leakage at -50 V VCC."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 15,
        "cost_usd": 0.1026,
        "at": "2026-09-21T19:31:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586179708594114560",
        "pages": 15,
        "sha256": "82b6b0ad34fcf8ac",
        "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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        "file": "dta143eca.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c415019e3b991054b2157b2fd23e38b6e746cffde4090f35743563facfd1f4ed",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "82b6b0ad34fcf8ac",
      "rows": [
        {
          "name": "Input resistance",
          "symbol": "R1",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 3.29,
          "typ": 4.7,
          "max": 6.11,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resistance ratio",
          "symbol": "R2/R1",
          "kind": "electrical",
          "unit": "",
          "min": 0.8,
          "typ": 1,
          "max": 1.2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "GI",
          "kind": "electrical",
          "unit": "",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VO=-5V,IO=-10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (off)",
          "symbol": "VI(off)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "VCC=-5V,IO=-100µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (on)",
          "symbol": "VI(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -3,
          "conditions": "VO=-0.3V,IO=-20 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (on)",
          "symbol": "VO(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.3,
          "conditions": "IO/II=-10mA/-0.5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -1.8,
          "conditions": "VI=-5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current (off)",
          "symbol": "IO(off)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "VCC=-50V,VI=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 10,
          "conditions": "",
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        },
        {
          "name": "Output current",
          "symbol": "IO",
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          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Ta=25℃, SOT-23 (CA column)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "VO=-10V,IO=-5mA,f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dta143eca"
  ],
  "discovery_pitch": "DTA143ECA (Changjing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
    "dta143eca.kicad_sym",
    "dta143eca.kicad_mod",
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    "dta143eca.step",
    "dta143eca.lbr",
    "docs/hero.png",
    "docs/dta143eca-datasheet.pdf",
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    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T20:11:38.441Z"
}