main
Ray Set visibility: public d79edc1 4d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2sc945m-p",
  "title": "2SC945M-P",
  "brief": "Foshan Blue Rocket Elec 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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    "transistors-thyristors",
    "2sc945m-p",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "2SC945M-P",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200963736604672",
    "parts": {
      "symbol": "2sc945m-p.kicad_sym",
      "footprint": "2sc945m-p.kicad_mod",
      "model_3d": "2sc945m-p-hero.glb",
      "model_3d_plain": "2sc945m-p-etched.glb",
      "model_3d_step": "2sc945m-p-etched.step",
      "model_3d_step_plain": "2sc945m-p.step",
      "lbr": "2sc945m-p.lbr"
    },
    "distributor_links": {
      "lcsc": "C305478"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:24:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "passive",
        "description": "Base terminal of the NPN transistor, with a continuous base current rating IB of 20 mA."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor, with an emitter-to-base voltage rating VEBO of 5.0 V."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor, rated for 50 V collector-to-emitter (VCEO), 150 mA continuous collector current (IC) and 250 mW collector power dissipation (PC)."
      }
    ],
    "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: Pin numbers are taken from the explicit text 'PIN1: Base, PIN2: Emitter, PIN3: Collector' on page 1;; The datasheet covers the 2SC945M family and lists the SOT-23 package with the hFE classes R, Q, P, K"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0059,
        "at": "2026-10-20T23:22:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200963736604672",
        "pages": 6,
        "sha256": "a3946ef4234716b7",
        "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": "2sc945m-p.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2sc945m-p-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30e6576c085c38f7f86f1d5660e6b13bbfbc9191962cc6eae3c5148143742e8d",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Foshan Blue Rocket Elec",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "Collector Base - Continuous IB 20 mA Collector Power Dissipation PC 250 mW",
        "page": 2,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "a3946ef4234716b77198d560aee91cd4d32f90edc1fc10efe777221b8afe55fc"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a3946ef4234716b77198d560aee91cd4d32f90edc1fc10efe777221b8afe55fc",
      "rows": [
        {
          "name": "Collector to Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.15,
          "max": 0.3,
          "conditions": "IC=100mA IB=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base to Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.86,
          "max": 1,
          "conditions": "IC=100mA IB=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-Off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCB=60V IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Cut-Off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VEB=5.0V IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VCE=6.0V IC=0.1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base to Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.62,
          "max": 0.65,
          "conditions": "VCE=6.0V IC=1.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 150,
          "typ": 250,
          "max": 450,
          "conditions": "VCE=6.0V IC=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3,
          "max": 4,
          "conditions": "VCB=6.0V IE=0 f=1.0MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 0.8,
          "max": 15,
          "conditions": "VCE=6.0V IC=0.1mA Rg=2.0KΩ f=1.0KHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter to Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current - Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base - Continuous",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "2sc945m-p"
  ],
  "discovery_pitch": "2SC945M-P (Foshan Blue Rocket Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "2sc945m-p.glb",
    "2sc945m-p.step",
    "2sc945m-p.lbr",
    "docs/hero.png",
    "docs/2sc945m-p-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "2sc945m-p-hero.glb",
    "2sc945m-p-hero.overlay.json",
    "2sc945m-p-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}