BC856BLT1G

{
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  "type": "component",
  "slug": "bc856blt1g",
  "title": "BC856BLT1G",
  "brief": "onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
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    "mpn": "BC856BLT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "lcsc": "C165609"
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      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base input control terminal; maximum base-emitter voltage VEBO = −5.0 V."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal serving as a primary current path in the PNP transistor."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal; maximum collector-emitter voltage VCEO = −65 V, maximum continuous collector current IC = −100 mA."
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.1357,
        "at": "2026-09-23T15:20:38"
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        "sha256": "5b3358db41b73faa",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
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        "sha256": "bac79f5118bb0e0a268d6c95a514f6c0e3599f077737adb17265b791c59fe206",
        "checked": "2026-11-13",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5b3358db41b73faa",
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          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -65,
          "typ": null,
          "max": null,
          "conditions": "IC = −10 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CES",
          "kind": "electrical",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC = −10 A, VEB = 0 (BC856, SBC856 series)",
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          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
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          "typ": null,
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          "conditions": "IC = −10 A (BC856, SBC856 series)",
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        {
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          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE = −1.0 A (BC856, SBC856 series)",
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          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -15,
          "conditions": "VCB = −30 V",
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        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
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          "min": null,
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          "max": -4,
          "conditions": "VCB = −30 V, TA = 150°C",
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
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          "typ": null,
          "max": -0.3,
          "conditions": "IC = −10 mA, IB = −0.5 mA",
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.65,
          "conditions": "IC = −100 mA, IB = −5.0 mA",
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        },
        {
          "name": "Base-Emitter Saturation Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.7,
          "conditions": "IC = −10 mA, IB = −0.5 mA",
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          "typ": null,
          "max": -0.9,
          "conditions": "IC = −100 mA, IB = −5.0 mA",
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        },
        {
          "name": "Base-Emitter On Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": -0.75,
          "conditions": "IC = −2.0 mA, VCE = −5.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter On Voltage",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.82,
          "conditions": "IC = −10 mA, VCE = −5.0 V",
          "source_page": 2,
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        },
        {
          "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": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 4.5,
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          "symbol": "NF",
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          "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 (BC856, SBC856, BC857, SBC857, BC858, NSVBC858 series)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage (maximum rating)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -65,
          "conditions": "BC856, SBC856",
          "source_page": 1,
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        },
        {
          "name": "Collector-Base Voltage (maximum rating)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -80,
          "conditions": "BC856, SBC856",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
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          "typ": null,
          "max": -5,
          "conditions": "",
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        {
          "name": "Collector Current - Continuous",
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          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Collector Current - Peak",
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          "unit": "mAdc",
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          "typ": null,
          "max": -200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation FR-5 Board",
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          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "FR-5 board (Note 1), TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation Alumina Substrate",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Alumina substrate (Note 2), TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
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          "unit": "°C/W",
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          "typ": null,
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          "conditions": "FR-5 board",
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        {
          "name": "Thermal Resistance, Junction-to-Ambient",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "Alumina substrate",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "BC856BLT1G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "visibility": "public",
  "updated_at": "2026-09-24T17:39:15.718Z",
  "description": "onsemi Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}