main
Ray Set visibility: public 2d26a8a 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc857bs-r1-00001",
  "title": "BC857BS_R1_00001",
  "brief": "PANJIT International Bipolar Transistors - BJT, SOT-363. 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",
    "bc857bs_r1_00001",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC857BS_R1_00001",
    "manufacturer": "PANJIT International",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/60c08ead5dbb22ad5619e70f87552838.pdf",
    "parts": {
      "symbol": "bc857bs-r1-00001.kicad_sym",
      "footprint": "bc857bs-r1-00001.kicad_mod",
      "model_3d": "bc857bs-r1-00001-hero.glb",
      "model_3d_plain": "bc857bs-r1-00001-etched.glb",
      "model_3d_step": "bc857bs-r1-00001-etched.step",
      "model_3d_step_plain": "bc857bs-r1-00001.step",
      "lbr": "bc857bs-r1-00001.lbr"
    },
    "distributor_links": {
      "lcsc": "C391425",
      "digikey": "3757-BC857BS_R1_00001TR-ND",
      "mouser": "241-BC857BS_R1_00001"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:20:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "3757-BC857BS_R1_00001TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "241-BC857BS_R1_00001",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E1",
        "type": "passive",
        "description": "Emitter of transistor TR1 (PNP); the datasheet gives VEBO of -5.0 V and VCEO of -45 V for the part."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "input",
        "description": "Base of transistor TR1 (PNP); the datasheet gives VEBO of -5.0 V."
      },
      {
        "number": "3",
        "name": "C2",
        "type": "passive",
        "description": "Collector of transistor TR2 (PNP); the datasheet gives VCEO of -45 V, VCBO of -50 V and continuous collector current of -100 mA."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "passive",
        "description": "Emitter of transistor TR2 (PNP); the datasheet gives VEBO of -5.0 V and VCEO of -45 V for the part."
      },
      {
        "number": "5",
        "name": "B2",
        "type": "input",
        "description": "Base of transistor TR2 (PNP); the datasheet gives VEBO of -5.0 V."
      },
      {
        "number": "6",
        "name": "C1",
        "type": "passive",
        "description": "Collector of transistor TR1 (PNP); the datasheet gives VCEO of -45 V, VCBO of -50 V and continuous collector current of -100 mA."
      }
    ],
    "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: Fig.53 on page 2 shows only pin numbers 1-6 next to two PNP transistor symbols. It does not print pi; The order code BC857BS_R1_00001 means tape and reel, 7 inch, RoHS version. The package is SOT-363, a; The page 1 text shows the continuous collector current as '1A 00 m' and the pin descriptions use it ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.2465,
        "at": "2026-10-31T09:20:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/60c08ead5dbb22ad5619e70f87552838.pdf",
        "pages": 6,
        "sha256": "eef2a3fa130e97f2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bc857bs-r1-00001.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc857bs-r1-00001-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4034960ea87e58bd2e48b61a823a1934fecca71e68216cf1d6b0289e8c6da00c",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PANJIT International",
      "Package": "SOT-363",
      "Category": "Transistors",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "eef2a3fa130e97f223ce3e5facad126e7ea7d7dec848422e27e9bcb21f8adc5f",
      "rows": [
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          "symbol": "V(BR)CEO",
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          "min": -45,
          "typ": null,
          "max": null,
          "conditions": "IC=-10mA",
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          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CES",
          "kind": "electrical",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC=-10uA, VEB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
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        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE=-1uA",
          "source_page": 2,
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        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
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          "typ": null,
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        },
        {
          "name": "DC Current Gain",
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          "kind": "electrical",
          "unit": "",
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        {
          "name": "DC Current Gain",
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          "min": 290,
          "typ": 475,
          "max": null,
          "conditions": "IC=-2.0mA, VCE=-5V",
          "source_page": 2,
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
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          "typ": null,
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        {
          "name": "Collector-Emitter Saturation Voltage",
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          "min": null,
          "typ": null,
          "max": -0.65,
          "conditions": "IC=-100mA, IB=-5.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.7,
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          "conditions": "IC=-10mA, IB=-0.5mA",
          "source_page": 2,
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        {
          "name": "Base-Emitter Saturation Voltage",
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          "typ": -0.9,
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          "conditions": "IC=-100mA, IB=-5.0mA",
          "source_page": 2,
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        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": -0.75,
          "conditions": "IC=-2mA, VCE=-5.0V",
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        },
        {
          "name": "Base-Emitter Voltage",
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          "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=-10mA,VCE=-5.0Vdc, f=100MHZ",
          "source_page": 2,
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        },
        {
          "name": "Output Capacitance",
          "symbol": "Cobo",
          "kind": "electrical",
          "unit": "pF",
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          "conditions": "VCB=-10V,f=1.0MHZ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IC=0.2mA,VCE=5.0Vdc, RS=2.0kΩ,f=1.0kHZ, BW=200HZ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
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          "name": "Collector-Base Voltage",
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        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
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          "conditions": "",
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        },
        {
          "name": "Collector Current-Continuous",
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          "unit": "mA",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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    "info"
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "BC857BS_R1_00001 (PANJIT International) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "bc857bs-r1-00001-etched.glb"
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  "visibility": {
    "public": true
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}