main
Ray Set visibility: public 7b10269 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc33716bu",
  "title": "BC33716BU",
  "brief": "onsemi Bipolar (BJT), TO-92. 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",
    "bc33716bu",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC33716BU",
    "manufacturer": "onsemi",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949100863082496",
    "parts": {
      "symbol": "bc33716bu.kicad_sym",
      "footprint": "bc33716bu.kicad_mod",
      "model_3d": "bc33716bu-hero.glb",
      "model_3d_plain": "bc33716bu-etched.glb",
      "model_3d_step": "bc33716bu-etched.step",
      "model_3d_step_plain": "bc33716bu.step",
      "lbr": "bc33716bu.lbr"
    },
    "distributor_links": {
      "lcsc": "C463440"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:44:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; the datasheet rates collector current at 800 mA DC maximum and collector-emitter voltage at 50 V (BC337) or 30 V (BC338) VCES."
      },
      {
        "number": "2",
        "name": "Base",
        "type": "passive",
        "description": "Base terminal of the NPN transistor; the datasheet gives no base-specific limit, only the emitter-base breakdown of 5 V (IE = 0.1 mA)."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the emitter-base voltage rating is 5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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 does not state which of BC337 or BC338 the top mark BC33716 corresponds to. The pin de; The pin assignment is given once for the TO-92 package (Collector 1, Base 2, Emitter 3) and is shown; The datasheet's ratings are Absolute Maximum Ratings and typical parameters, not recommended operati"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0369,
        "at": "2026-10-18T10:41:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949100863082496",
        "pages": 7,
        "sha256": "0751905040670898",
        "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": "bc33716bu.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc33716bu-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "921032fac6bfbdd51607072a2dfcd97307625f972499f387bfd044ab11097c58",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0751905040670898eee8257d7925d9114f5c71deeead1381fc3bb90222f24e78",
      "rows": [
        {
          "name": "Collector-Emitter Breakdown Voltage (BC337)",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mA, IB = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage (BC337)",
          "symbol": "BVCES",
          "kind": "electrical",
          "unit": "V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 0.1 mA, VBE = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IE = 0.1 mA, IC = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-Off Current (BC337)",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 2,
          "max": 100,
          "conditions": "VCE = 45 V, IB = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE1",
          "symbol": "hFE1",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 630,
          "conditions": "VCE = 1 V, IC = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE2",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "VCE = 1 V, IC = 300 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "IC = 500 mA, IB = 50 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter On Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "VCE = 1 V, IC = 300 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Gain Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE = 5 V, IC = 10 mA, f = 50 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCB = 10 V, IE = 0, f = 1 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (BC337)",
          "symbol": "VCES",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (BC337)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (DC)",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc33716bu"
  ],
  "discovery_pitch": "BC33716BU (onsemi) 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",
    "bc33716bu.kicad_sym",
    "bc33716bu.kicad_mod",
    "bc33716bu.glb",
    "bc33716bu.step",
    "bc33716bu.lbr",
    "docs/hero.png",
    "docs/bc33716bu-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc33716bu-hero.glb",
    "bc33716bu-hero.overlay.json",
    "bc33716bu-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}