main
Ray Set visibility: public 4e4f01a 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2sc3357-e",
  "title": "2SC3357-E",
  "brief": "KEXIN Bipolar (BJT), SOT-89. 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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    "2sc3357-e",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "2SC3357-E",
    "manufacturer": "KEXIN",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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    "parts": {
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      "footprint": "2sc3357-e.kicad_mod",
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      "model_3d_plain": "2sc3357-e-etched.glb",
      "model_3d_step": "2sc3357-e-etched.step",
      "model_3d_step_plain": "2sc3357-e.step",
      "lbr": "2sc3357-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C489324"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:48:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base terminal of the NPN transistor; emitter-base voltage is rated at VEBO 3 V maximum, with IE = 100 µA used for the breakdown test."
      },
      {
        "number": "2",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal; rated at VCBO 20 V and VCEO 12 V maximum, with continuous collector current IC of 100 mA maximum."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor, referenced in the emitter-base breakdown and cut-off test conditions (VEB = 3 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text never names the package. The pin numbering 1.Base, 2.Collector, 3.Emitter comes f; The datasheet lists three variants (-H, -F, -E) that share one pinout. Only the marking RE and hFE r"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0203,
        "at": "2026-10-18T19:48:40"
      },
      "datasheet": {
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        "pages": 3,
        "sha256": "e768a9694eb7f8bf",
        "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": "2sc3357-e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2sc3357-e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "34229dcb17370272896ff3631108f2e7e86010fe0c533c24af8f9680b665c6e9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEXIN",
      "Package": "SOT-89",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e768a9694eb7f8bfd4f678d353c7d696fb3cc858e85eeedbd06ed47ed1c713f5",
      "rows": [
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "Ic= 100 μA, IE= 0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 12,
          "typ": null,
          "max": null,
          "conditions": "Ic= 1 mA, IB= 0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "IE= 100μA, IC= 0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCB= 20V, IE= 0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEB= 3V, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IC=50 mA, IB=5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IC=50 mA, IB=5mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (-E grade range)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 125,
          "typ": null,
          "max": 250,
          "conditions": "VCE= 10V, IC= 20mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse transfer capacitance",
          "symbol": "Cre",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCB= 10V, IE= 0, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base voltage",
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage",
          "symbol": "VCEO",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current, continuous",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction to ambient thermal resistance",
          "symbol": "Rth (j-a)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 62.5,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction to ambient thermal resistance (free air)",
          "symbol": "Rth (j-a)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 312.5,
          "max": null,
          "conditions": "Free air, ceramic substrate 16 cm2 × 0.7 mm (t)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "2sc3357-e"
  ],
  "discovery_pitch": "2SC3357-E (KEXIN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "2sc3357-e.step",
    "2sc3357-e.lbr",
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    "viewers/symbol.html",
    "viewers/footprint.html",
    "2sc3357-e-hero.glb",
    "2sc3357-e-hero.overlay.json",
    "2sc3357-e-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}