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Ray bc847blt1g: specified limits as data (metadata.characteristics, 23 rows from the datasheet) ff6c7ad 24d ago
{
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  "type": "component",
  "slug": "bc847blt1g",
  "title": "BC847BLT1G",
  "brief": "onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "bc847blt1g",
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  "component": {
    "mpn": "BC847BLT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178754771095552",
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      "model_3d_step": "bc847blt1g-etched.step",
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    "distributor_links": {
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    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "NPN transistor base terminal; maximum emitter-base voltage rating of 6.0 V for BC847"
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Transistor emitter terminal; forms the output current path with continuous collector current maximum of 100 mAdc"
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "output",
        "description": "Transistor collector terminal; maximum collector-emitter voltage of 45 V and continuous collector current of 100 mAdc for BC847"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
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        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 13,
        "cost_usd": 0.1396,
        "at": "2026-09-23T14:51:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586178754771095552",
        "pages": 13,
        "sha256": "246394072eb7ca9a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "bc847blt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc847blt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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          3.0,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a3e028b1c46f21bc40c2f6be2aa5399c32b84a165ddcf4ee131ba023905ac5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "246394072eb7ca9a",
      "rows": [
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          "name": "Collector-Emitter Breakdown Voltage (BC847A,B,C)",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage (BC847A,B,C)",
          "symbol": "V(BR)CES",
          "kind": "electrical",
          "unit": "V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 A, VEB = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage (BC847A,B,C)",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage (BC847A,B,C)",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE = 1.0 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCB = 30 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCB = 30 V, TA = 150°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (BC847B)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 200,
          "typ": 290,
          "max": 450,
          "conditions": "IC = 2.0 mA, VCE = 5.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "IC = 10 mA, IB = 0.5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IC = 100 mA, IB = 5.0 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "mV",
          "min": 580,
          "typ": 660,
          "max": 700,
          "conditions": "IC = 2.0 mA, VCE = 5.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 770,
          "conditions": "IC = 10 mA, VCE = 5.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current-Gain - Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mA, VCE = 5.0 Vdc, f = 100 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cobo",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "VCB = 10 V, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure (BC847A,B,C)",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IC = 0.2 mA, VCE = 5.0 Vdc, RS = 2.0 k, f = 1.0 kHz, BW = 200 Hz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (BC847)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage (BC847)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage (BC847)",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current - Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Total Device Dissipation FR-5 Board",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
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          "max": 225,
          "conditions": "TA = 25°C, FR-5 board (Note 1)",
          "source_page": 1,
          "source": "datasheet"
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          "name": "Thermal Resistance, Junction-to-Ambient FR-5 Board",
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          "kind": "thermal",
          "unit": "°C/W",
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          "conditions": "FR-5 board (Note 1)",
          "source_page": 1,
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        {
          "name": "Total Device Dissipation Alumina Substrate",
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          "kind": "thermal",
          "unit": "mW",
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          "conditions": "TA = 25°C, alumina substrate (Note 2)",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction-to-Ambient Alumina Substrate",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "alumina substrate (Note 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T17:38:03.770Z"
}