main
Ray Set visibility: public f3b8f04 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc817-40w-7",
  "title": "BC817-40W-7",
  "brief": "Diodes Incorporated Bipolar (BJT), SOT-323. 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",
    "bc817-40w-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC817-40W-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884750500683776",
    "parts": {
      "symbol": "bc817-40w-7.kicad_sym",
      "footprint": "bc817-40w-7.kicad_mod",
      "model_3d": "bc817-40w-7-hero.glb",
      "model_3d_plain": "bc817-40w-7-etched.glb",
      "model_3d_step": "bc817-40w-7-etched.step",
      "model_3d_step_plain": "bc817-40w-7.step",
      "lbr": "bc817-40w-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C460176",
      "digikey": "BC817-40WDITR-ND",
      "mouser": "621-BC817-40W-7"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T11:07:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BC817-40WDITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-BC817-40W-7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor; drives the device, with peak base current IBM limited to 200 mA and VEBO of 5 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor; Emitter-Base voltage VEBO is limited to 5 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor; VCEO 45 V, VCBO 50 V, continuous IC 500 mA, peak ICM 1.0 A."
      }
    ],
    "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 pin-out drawing labels the terminals only by function (top view: C on the single top l; Pin types for a bipolar transistor are not defined by the datasheet. They were assigned as input for",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1471,
        "at": "2026-10-15T11:07:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884750500683776",
        "pages": 5,
        "sha256": "07d7e626d373c03f",
        "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": "bc817-40w-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc817-40w-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ce4176f1b2a8f219eefcf29ea7e4e9e7dc67f544912262a4122c839e642bb3b8",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-323",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "07d7e626d373c03f36437675bafbb5fbc691f46c094d7f4e5ca6f5a19f3208a2",
      "rows": [
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "IC = 10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IC = 100µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Cutoff Current",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE = 45V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Cutoff Current (TJ = +150°C)",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCE = 25V, TJ = +150°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE = 20V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Cutoff Current (TJ = +150°C)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCE = 20V, TJ = +150°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB = 5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (BC817-40W)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 250,
          "typ": null,
          "max": 600,
          "conditions": "IC = 100mA, VCE = 1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (BC817-40W)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 170,
          "typ": null,
          "max": null,
          "conditions": "IC = 300mA, VCE = 1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "IC = 500mA, IB = 50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 1200,
          "conditions": "IC = 300mA, VCE = 1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gain Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE = 5.0V, IC = 10mA, f = 50MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Capacitance",
          "symbol": "CCBO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCB = 10V, f = 1.0MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "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": "Continuous Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Collector Current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Base Current",
          "symbol": "IBM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "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": 4000,
          "conditions": "JEDEC Class 3A (Note 6)",
          "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 (Note 6)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Note 5: minimum recommended pad layout, 1oz Cu, single-sided FR4, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "Note 5: minimum recommended pad layout, 1oz Cu, single-sided FR4, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ,TSTG",
          "kind": "thermal",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc817-40w-7"
  ],
  "discovery_pitch": "BC817-40W-7 (Diodes Incorporated) 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",
    "bc817-40w-7.kicad_sym",
    "bc817-40w-7.kicad_mod",
    "bc817-40w-7.glb",
    "bc817-40w-7.step",
    "bc817-40w-7.lbr",
    "docs/hero.png",
    "docs/bc817-40w-7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc817-40w-7-hero.glb",
    "bc817-40w-7-hero.overlay.json",
    "bc817-40w-7-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}