main
Ray Set visibility: public 5113eb1 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "8550m",
  "title": "8550M",
  "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": [
    "component",
    "transistors-thyristors",
    "8550m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "8550M",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603095160226541568",
    "parts": {
      "symbol": "8550m.kicad_sym",
      "footprint": "8550m.kicad_mod",
      "model_3d": "8550m-hero.glb",
      "model_3d_plain": "8550m-etched.glb",
      "model_3d_step": "8550m-etched.step",
      "model_3d_step_plain": "8550m.step",
      "lbr": "8550m.lbr"
    },
    "distributor_links": {
      "lcsc": "C7429757"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:15:36Z",
      "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 PNP transistor; the datasheet limits applicable to the base are base current IB = -0.5 A maximum and emitter-to-base voltage VEBO = -6.0 V (absolute maximum, Ta=25°C)."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor; the emitter-to-base breakdown voltage is specified at IE = -0.1 mA with VEBO = -6.0 V minimum-to-maximum rating of -6.0 V."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; the datasheet limits applicable to the collector are collector current IC = -1.5 A, collector-to-emitter voltage VCEO = -25 V and collector-to-base voltage VCBO = -40 V (absolute maximum, Ta=25°C)."
      }
    ],
    "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 assignments come from the text line 'PIN1:Base PIN 2:Emitter PIN 3:Collector' on page 1. The act; Pin descriptions for Emitter and Collector are assembled from absolute-maximum ratings on page 2 bec"
        ],
        "pages_sent": 6,
        "cost_usd": 0.024,
        "at": "2026-10-19T04:13:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603095160226541568",
        "pages": 6,
        "sha256": "da6e603e24224851",
        "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": "8550m.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "8550m-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": "902aebec8f3b23ca613e49f14cc8495a00567fc17038b3ef38ff0451a8983e8c",
        "checked": "2026-10-19",
        "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": "Base Current IB -0.5 A Collector Power Dissipation PC 300 mW",
        "page": 2,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "da6e603e2422485176904df6173103d7a153819426733b1bb5c390a9646d2376"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "da6e603e2422485176904df6173103d7a153819426733b1bb5c390a9646d2376",
      "rows": [
        {
          "name": "Collector to Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter to Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -1.5,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Current",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Ta=25℃",
          "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"
        },
        {
          "name": "Collector to Base Breakdown Voltage",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "IC=-0.1mA IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Breakdown Voltage",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": null,
          "conditions": "IC=-2.0mA IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter to Base Breakdown Voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "IE=-0.1mA IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-Off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VCB=-35V IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-Off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VEB=-6.0V IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(1)",
          "symbol": "hFE(1)",
          "kind": "electrical",
          "unit": "",
          "min": 85,
          "typ": null,
          "max": 300,
          "conditions": "VCE=-1.0V IC=-100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(2)",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE=-1.0V IC=-800mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(3)",
          "symbol": "hFE(3)",
          "kind": "electrical",
          "unit": "",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "VCE=-1.0V IC=-5.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": -0.28,
          "max": null,
          "conditions": "IC=-800mA IB=-80mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": -1.2,
          "typ": -0.98,
          "max": null,
          "conditions": "IC=-800mA IB=-80mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": -0.66,
          "max": null,
          "conditions": "VCE=-1.0V IC=-10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": 200,
          "max": null,
          "conditions": "VCE=-10V IC=-50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VCB=-10V IE=0 f=1.0MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "8550m"
  ],
  "discovery_pitch": "8550M (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": [
    "page.json",
    "README.md",
    "8550m.kicad_sym",
    "8550m.kicad_mod",
    "8550m.glb",
    "8550m.step",
    "8550m.lbr",
    "docs/hero.png",
    "docs/8550m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "8550m-hero.glb",
    "8550m-hero.overlay.json",
    "8550m-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}