main
Ray Set visibility: public 04cc533 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ddc143tu-7-f",
  "title": "DDC143TU-7-F",
  "brief": "Diodes Incorporated Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "manufacturer": "Diodes Incorporated",
    "package": "SOT-363",
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    "subcategory": "Digital Transistors",
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    "distributor_links": {
      "lcsc": "C151388",
      "mouser": "621-DDC143TU-F"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:55:42Z",
      "source": "Component Ocean /api/assign-pns",
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        "status": "error"
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      },
      {
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        "name": "B1",
        "type": "input",
        "description": "Input (base) of transistor 1 through the built-in 4.7 kΩ input resistor R1 (R1 tolerance -30% to +30%); input voltage is limited to -5 V max for DDC143TU."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "output",
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      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Common (emitter) terminal of NPN transistor 2 in the DDC143TU bias network; the datasheet gives no pin-specific limit, so the device ratings apply (output current 100 mA, input voltage -5 V max)."
      },
      {
        "number": "5",
        "name": "B2",
        "type": "input",
        "description": "Input (base) of transistor 2 through the built-in 4.7 kΩ input resistor R1 (R1 tolerance -30% to +30%); input voltage is limited to -5 V max for DDC143TU."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "output",
        "description": "Output (collector) of transistor 1; output current is rated at 100 mA and peak output current at 100 mA for DDC143TU, with collector-base breakdown voltage BVCBO of 50 V minimum."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels these pins COM1/COM2 (and E1/E2 in the schematic) but does not call them GND; t; Pin mapping is inferred from the datasheet's two overlapping label sets: the top row reads 6-5-4 (OU; The datasheet's Absolute Maximum Ratings and electrical tables are device-level, and this part (DDC1"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0607,
        "at": "2026-10-19T08:52:32"
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        "pages": 8,
        "sha256": "734b84dde0b96a22",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-19",
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  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "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,
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    "characteristics": {
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          "source_page": 3,
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        },
        {
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          "min": 50,
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          "max": null,
          "conditions": "IC = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
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          "conditions": "IE = 50μA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
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          "symbol": "ICBO",
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          "conditions": "VEB = 4V",
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
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          "kind": "electrical",
          "unit": "V",
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          "conditions": "IC/IB = 2.5mA / 0.25mA (DDC143TU)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
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          "source_page": 3,
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        {
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          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
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          "max": null,
          "conditions": "DDC143TU, R1 (NOM) only; no R2",
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        {
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          "symbol": "VO",
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        {
          "name": "Input Voltage (DDC143TU)",
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        {
          "name": "Output Current (DDC143TU)",
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        {
          "name": "Peak Output Current",
          "symbol": "ICM",
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          "unit": "mA",
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          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Mounted on FR-4 PC board with minimum recommended pad layout (Notes 6 & 7)",
          "source_page": 2,
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        {
          "name": "Thermal Resistance, Junction to Ambient Air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
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          "conditions": "Mounted on FR-4 PC board with minimum recommended pad layout (Note 6)",
          "source_page": 2,
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        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TSTG",
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          "unit": "°C",
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  "discovery_triggers": [
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  "discovery_pitch": "DDC143TU-7-F (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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