main
Ray Set visibility: public 04fe890 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "he8550g-e-ae3-r",
  "title": "HE8550G-E-AE3-R",
  "brief": "UTC Unisonic Tech 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",
    "he8550g-e-ae3-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HE8550G-E-AE3-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163525506482176",
    "parts": {
      "symbol": "he8550g-e-ae3-r.kicad_sym",
      "footprint": "he8550g-e-ae3-r.kicad_mod",
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      "model_3d_plain": "he8550g-e-ae3-r-etched.glb",
      "model_3d_step": "he8550g-e-ae3-r-etched.step",
      "model_3d_step_plain": "he8550g-e-ae3-r.step",
      "lbr": "he8550g-e-ae3-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2900472"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:55:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base terminal of the PNP transistor (pin assignment B on the SOT-23 variant, per the ordering table); the datasheet gives no pin-specific electrical limit for the base, and the device ratings are VEBO -6 V and VCBO -40 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor (pin assignment E on the SOT-23 variant, per the ordering table); the datasheet gives no pin-specific electrical limit for the emitter, and the device rating is VEBO -6 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor (pin assignment C on the SOT-23 variant, per the ordering table); the device is rated for collector current IC -1.5 A, VCEO -25 V, and total collector dissipation 350 mW in SOT-23."
      }
    ],
    "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 ordering table lists the SOT-23 pin assignment as B, E, C for pins 1, 2, 3 (ordering row HE8550G; The datasheet does not give pin-specific electrical limits. The electrical ratings on page 2 (VCBO, ; Pin types are inferred: the datasheet does not classify pins. Base is marked input and emitter and c"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0257,
        "at": "2026-10-19T09:55:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163525506482176",
        "pages": 4,
        "sha256": "d49dcb27a4d69e2d",
        "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": "he8550g-e-ae3-r.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": "he8550g-e-ae3-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1f47c0757cda58b1fed0b16a4ce31358893f15a64603cd12cff248b203c0c381",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d49dcb27a4d69e2d889e8135f46dc1bd4fe942f415a95c1b13bd3b0538a83b8c",
      "rows": [
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "IC=-100μA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": null,
          "conditions": "IC=-2mA, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "IE=-100μA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-Off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VCB=-35V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-Off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VEB=-6V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE1",
          "kind": "electrical",
          "unit": "",
          "min": 45,
          "typ": 170,
          "max": null,
          "conditions": "VCE=-1V, IC=-5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 85,
          "typ": 160,
          "max": 500,
          "conditions": "VCE=-1V, IC=-100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE3",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": 80,
          "max": null,
          "conditions": "VCE=-1V, IC=-800mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE2 rank E range (classification table)",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 250,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.28,
          "max": -0.5,
          "conditions": "IC=-800mA, IB=-80mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.98,
          "max": -1.2,
          "conditions": "IC=-800mA, IB=-80mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.66,
          "max": -1,
          "conditions": "VCE=-1V,IC=-10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Gain Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": 190,
          "max": null,
          "conditions": "VCE=-10V,IC=-50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "VCB=-10V, IE=0 f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Dissipation (SOT-23 package)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "SOT-23 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "he8550g-e-ae3-r"
  ],
  "discovery_pitch": "HE8550G-E-AE3-R (UTC Unisonic Tech) 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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    "he8550g-e-ae3-r-hero.overlay.json",
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  "visibility": {
    "public": true
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}