BC857CQ-7-F

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  "slug": "bc857cq-7-f",
  "title": "BC857CQ-7-F",
  "brief": "Diodes Incorporated Bipolar (BJT), SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "BC857CQ-7-F",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/BC857CQ-7-F.pdf",
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      "digikey": "31-BC857CQ-7-FTR-ND",
      "mouser": "621-BC857CQ-7-F"
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      {
        "number": "1",
        "name": "B",
        "type": "passive",
        "description": "Base terminal; the peak base current IBM is limited to -200 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal; the emitter-base voltage VEBO is -5.0 V and the peak emitter current IEM is -200 mA."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal; the collector-emitter voltage VCEO is -45 V and the continuous collector current IC is -100 mA."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's SOT23 pinout drawing labels the terminals C, B and E but does not print pin numbers.; Pin descriptions are based on the absolute maximum ratings (page 2) and are not datasheet statements"
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        "pages_sent": 7,
        "cost_usd": 0.0022,
        "at": "2026-11-12T21:04:59"
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        "lead_width_mm": 0.36,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 1.90 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.2,
        "lead_thickness_basis": "default for pitch 1.90 mm, height 1.025 mm (no datasheet c read)"
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      "pins": {
        "total": 3,
        "described": 3,
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      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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        "quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208",
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        "plating": "tin"
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          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
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          "unit": "V",
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          "min": null,
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          "source_page": 4,
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        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
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          "max": null,
          "conditions": "VCE = -5V, IC = -10mA, f = 100MHz",
          "source_page": 4,
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          "name": "Noise Figure",
          "symbol": "NF",
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          "unit": "dB",
          "min": null,
          "typ": 2,
          "max": 10,
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          "name": "Emitter-Base Voltage",
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          "name": "Continuous Collector Current",
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        {
          "name": "Peak Collector Current",
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          "unit": "mA",
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          "conditions": "TA = +25°C",
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        {
          "name": "Peak Emitter Current",
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          "name": "Operating and Storage Temperature Range",
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