2DA1971-7

{
  "schema_version": 1,
  "type": "component",
  "slug": "2da1971-7",
  "title": "2DA1971-7",
  "brief": "Diodes Incorporated Bipolar (BJT), SOT-89. 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",
    "2da1971-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "2DA1971-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912406138900481",
    "parts": {
      "symbol": "2da1971-7.kicad_sym",
      "footprint": "2da1971-7.kicad_mod",
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      "model_3d_plain": "2da1971-7-etched.glb",
      "model_3d_step": "2da1971-7-etched.step",
      "model_3d_step_plain": "2da1971-7.step",
      "lbr": "2da1971-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C531173",
      "digikey": "2DA1971-7DITR-ND",
      "mouser": "522-2DA1971-7"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:12:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2DA1971-7DITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "522-2DA1971-7",
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    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "passive",
        "description": "Base of the PNP transistor; base current IB is limited to -250 mA and VEBO to -7 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector, also connected to the exposed collector tab; VCEO -400 V, IC -0.5 A continuous, ICM -1 A peak."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; emitter-base breakdown voltage BVEBO is -7 V at IE = -100 µA."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
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        "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 datasheet's SOT89 pin-out diagram text ('C E B C E C B') gives the terminal labels but does not ; Collector is the exposed tab. Its electrical pin number in the datasheet is not stated in the text, ; Pin types were set to 'passive' for all three BJT terminals, as KiCad has no transistor-specific cla"
        ],
        "pages_sent": 7,
        "cost_usd": 0.101,
        "at": "2026-10-19T04:10:35"
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        "pages": 7,
        "sha256": "f820d98417d3f2c4",
        "source_tier": "lcsc"
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      "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": "2da1971-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
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          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2da1971-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "sha256": "2c9283bf2e4eef14ead6057b9b97f641592c06f009e92af11f811b6a550d1269",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Finish - Matte Tin Plated Leads. Solderable per MIL-STD-202, Method 208",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "f820d98417d3f2c4890b77cd0973f5a7401067f417837f00acf8efb614f30b98"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f820d98417d3f2c4890b77cd0973f5a7401067f417837f00acf8efb614f30b98",
      "rows": [
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -400,
          "typ": null,
          "max": null,
          "conditions": "IC = -100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -400,
          "typ": null,
          "max": null,
          "conditions": "IC = -1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": null,
          "conditions": "IE = -100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Cut-off Current",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCE = -320V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCB = -320V",
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          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB = -6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 140,
          "typ": null,
          "max": null,
          "conditions": "IC = -20mA, VCE = -5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -250,
          "conditions": "IC = -100mA, IB = -10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -400,
          "conditions": "IC = -200mA, IB = -40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.75,
          "max": -0.9,
          "conditions": "IC = -100mA, IB = -10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Turn-On Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.8,
          "conditions": "IC = -200mA, VCE = -10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -400,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -400,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Current",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": null,
          "conditions": "TA = +25°C unless otherwise specified",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Note 5: 25mm x 25mm 1oz Cu on single-sided FR4, still air, steady-state",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge - Human Body Model",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8000,
          "conditions": "JEDEC Class 3B",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge - Machine Model",
          "symbol": "ESD MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "JEDEC Class C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 83,
          "max": null,
          "conditions": "Note 5: 25mm x 25mm 1oz Cu on single-sided FR4, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Leads",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.4,
          "max": null,
          "conditions": "Note 6: junction to solder point on exposed collector pad",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "2da1971-7"
  ],
  "discovery_pitch": "2DA1971-7 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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