LH8550QLT1G

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  "slug": "lh8550qlt1g",
  "title": "LH8550QLT1G",
  "brief": "LRC Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "LH8550QLT1G",
    "manufacturer": "LRC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180226141327360",
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    "distributor_links": {
      "lcsc": "C97290"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:32:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the PNP transistor; the datasheet gives no separate base limit, and the part is rated VEBO 6 V with VCEO -50 V and IC -1500 mAdc continuous."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal; emitter-base breakdown V(BR)EBO is -6 V minimum at IE=-100 µA with the collector open."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal; rated for VCEO -50 V, VCBO -50 V and continuous collector current IC -1500 mAdc."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the LH8550 PNP series in one document. The QLT1G (and QLT3G) ordering rows are ; Pin types are inferred for KiCad ERC: BASE as input, EMITTER and COLLECTOR as passive. The datasheet"
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        "at": "2026-10-09T00:31:39"
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        "sha256": "0a5d8504b1372d6c",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0a5d8504b1372d6c",
      "rows": [
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC=-2.0mA,I =0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "IE=-100 µA, I =0",
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          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
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          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC=-100 µA, I =0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCB=-35V,I =0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB=-6V,I =0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (Q grade)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 160,
          "typ": null,
          "max": 320,
          "conditions": "IC=-100mA,VCE=-1V",
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          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC=-800mA,VCE=-1V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(S)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "IC=-800mA I B =-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,I =-10mA",
          "source_page": 2,
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        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
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          "typ": null,
          "max": -50,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current-continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": -1500,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Total Dissipation Power",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW",
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          "max": 225,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature",
          "symbol": "Tj, Tstg",
          "kind": "thermal",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "LH8550QLT1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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