main
Ray Set visibility: public f51afb3 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bcx53-ah-hd",
  "title": "BCX53 AH HD",
  "brief": "Guangdong Hottech 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": [
    "component",
    "transistors-thyristors",
    "bcx53 ah hd",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCX53 AH HD",
    "manufacturer": "Guangdong Hottech",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909963066683392",
    "parts": {
      "symbol": "bcx53-ah-hd.kicad_sym",
      "footprint": "bcx53-ah-hd.kicad_mod",
      "model_3d": "bcx53-ah-hd-hero.glb",
      "model_3d_plain": "bcx53-ah-hd-etched.glb",
      "model_3d_step": "bcx53-ah-hd-etched.step",
      "model_3d_step_plain": "bcx53-ah-hd.step",
      "lbr": "bcx53-ah-hd.lbr"
    },
    "distributor_links": {
      "lcsc": "C224201"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:37:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor; the SOT-89 drawing labels the left-hand lead B, and the datasheet gives VEBO as -5 V max."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor (centre lead, internally joined to the collector tab); the datasheet gives IC of -1 A max and VCEO of -80 V for the BCX53."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; the SOT-89 drawing labels the right-hand lead E."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels the leads B, C, E from left to right on the SOT-89 drawing but does not print p; The drawing shows the collector tab (labelled C) as a separate terminal, but the datasheet gives it ; The part is a PNP bipolar transistor, so no pin is a supply or ground. The KiCad ERC types assigned ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2118,
        "at": "2026-10-18T00:35:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909963066683392",
        "pages": 5,
        "sha256": "f505c1e3b73942ee",
        "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": "bcx53-ah-hd.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcx53-ah-hd-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "c5cf2b008f537b5dbff32962ede5acbc79d8d2b00b795063c30117a82f94e068",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Guangdong Hottech",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f505c1e3b73942ee98041258bff22025c039ba39887b2b9e554d50b0766229d0",
      "rows": [
        {
          "name": "Collector-Base Voltage (BCX53)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (BCX53)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -80,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance From Junction To Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage (BCX53)",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "IC=-100uA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage (BCX53)",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC=-10mA, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE=-100uA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VCB=-30V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VEB=-5V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (BCX53 rank, low current)",
          "symbol": "hFE1",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
          "max": null,
          "conditions": "VCE=-2V, IC=-5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (BCX53 rank, medium current)",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
          "max": 250,
          "conditions": "VCE=-2V, IC=-150mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (BCX53 rank, high current)",
          "symbol": "hFE3",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE=-2V, IC=-500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "IC=-500mA, IB=-50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "VCE=-2V, IC=-500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VCE=-5V, IC=-10mA, f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bcx53 ah hd"
  ],
  "discovery_pitch": "BCX53 AH HD (Guangdong Hottech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcx53-ah-hd.kicad_sym",
    "bcx53-ah-hd.kicad_mod",
    "bcx53-ah-hd.glb",
    "bcx53-ah-hd.step",
    "bcx53-ah-hd.lbr",
    "docs/hero.png",
    "docs/bcx53-ah-hd-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcx53-ah-hd-hero.glb",
    "bcx53-ah-hd-hero.overlay.json",
    "bcx53-ah-hd-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}