BCX56-16Q

{
  "schema_version": 1,
  "type": "component",
  "slug": "bcx56-16q",
  "title": "BCX56-16Q",
  "brief": "Yangzhou Yangjie Elec Tech 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",
    "bcx56-16q",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCX56-16Q",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603011003231576064",
    "parts": {
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      "footprint": "bcx56-16q.kicad_mod",
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      "model_3d_plain": "bcx56-16q-etched.glb",
      "model_3d_step": "bcx56-16q-etched.step",
      "model_3d_step_plain": "bcx56-16q.step",
      "lbr": "bcx56-16q.lbr"
    },
    "distributor_links": {
      "lcsc": "C5339870"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:51:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor, left lead in the top-view diagram; the datasheet's emitter-base voltage rating is VEBO 5 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector, centre lead, internally connected to the collector tab; ratings are VCEO 80 V, VCBO 100 V and IC 1 A."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor, right lead in the top-view diagram."
      }
    ],
    "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 package drawing labels the leads B, C, E from left to right with a collector tab, but does not p; The collector tab on top of the package is electrically the collector (labelled C in the diagram) an",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.2377,
        "at": "2026-10-18T22:49:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603011003231576064",
        "pages": 6,
        "sha256": "18e4fdc58361c1b1",
        "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": "bcx56-16q.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": "bcx56-16q-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": "1e7639ca7f36bd0ac245ea3b7ab1ea9df07035b3d741f63658c287b85b50dcf1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Yangzhou Yangjie Elec Tech",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "18e4fdc58361c1b152f1b7ec0bc0f27f7d609b2d65b034ff166b7b49c2dc0f44"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "18e4fdc58361c1b152f1b7ec0bc0f27f7d609b2d65b034ff166b7b49c2dc0f44",
      "rows": [
        {
          "name": "DC Current Gain (hFE) at VCE=2V, IC=150mA",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 250,
          "conditions": "VCE=2V, IC=150mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCB=30V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IC=500mA, IB=50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCE=2V, IC=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 130,
          "typ": null,
          "max": null,
          "conditions": "IC=10mA, VCE=5V, f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "IC=10mA, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC=100uA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IE=10uA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (hFE) at VCE=2V, IC=5mA",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE=2V, IC=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (hFE) at VCE=2V, IC=500mA",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "VCE=2V, IC=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "IC=10mA, IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IC=100uA, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "IE=10uA, IC=0",
          "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": "Device mounted on FR-4 PCB 1.0 x 1.0 x 0.06 inch",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operation Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance From Junction To Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 140,
          "max": 250,
          "conditions": "Device mounted on FR-4 PCB 1.0 x 1.0 x 0.06 inch",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bcx56-16q"
  ],
  "discovery_pitch": "BCX56-16Q (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "viewers/symbol.html",
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    "bcx56-16q-etched.glb"
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  "visibility": {
    "public": true
  }
}