main
Ray Set visibility: public 30df5ff 15d ago
{
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  "type": "component",
  "slug": "s-lbss5250y3t1g",
  "title": "S-LBSS5250Y3T1G",
  "brief": "LRC Bipolar Transistors - BJT, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "S-LBSS5250Y3T1G",
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    "package": "SOT-89",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Bipolar Transistors - BJT",
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    "distributor_links": {
      "lcsc": "C2941693"
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    "distributor_check": {
      "checked_at": "2026-10-23T18:08:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 887 calls left today"
      },
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        "status": "no match"
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        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor; the datasheet rates emitter-base voltage VEBO at -6 V."
      },
      {
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      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor, shown with the arrow pointing toward the base in the schematic symbol."
      }
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        "primary_model": "claude-sonnet-5-5",
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        "guard_notes": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "at": "2026-10-23T18:08:38"
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        "pages": 6,
        "sha256": "b6e4447e2b613740",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
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        "seat": "z = 0",
        "extents_mm": [
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        "checked": "2026-10-23",
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-89",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Collector-emitter breakdown voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC = -1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC = -100μA",
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        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
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          "conditions": "IE = -100μA",
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        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VCB = -50V, IE = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VEB = -4V, IC = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "HFE",
          "kind": "electrical",
          "unit": "",
          "min": 180,
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          "conditions": "VCE = -2V, IC = -50mA",
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": -200,
          "max": -400,
          "conditions": "IC = -700mA, IB = -35mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 320,
          "max": null,
          "conditions": "VCE = -10V, IE = 300mA, f = 100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "VCB = -10V, IE = 0A, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector–Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
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          "max": -50,
          "conditions": "Ta = 25ºC",
          "source_page": 1,
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        },
        {
          "name": "Collector–Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "Ta = 25ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter–Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
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          "max": -6,
          "conditions": "Ta = 25ºC",
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        },
        {
          "name": "Collector Current",
          "symbol": "IC",
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        {
          "name": "Collector Current (Pulse)",
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          "min": null,
          "typ": null,
          "max": -4,
          "conditions": "Ta = 25ºC",
          "source_page": 1,
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        },
        {
          "name": "Junction and Storage temperature",
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          "unit": "ºC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Total Device Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
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          "conditions": "FR-4 Board (Note 1) @ TA = 25ºC",
          "source_page": 1,
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        },
        {
          "name": "Derate above 25ºC",
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          "kind": "thermal",
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        {
          "name": "Thermal Resistance, Junction–to–Ambient",
          "symbol": "RΘJA",
          "kind": "thermal",
          "unit": "ºC/W",
          "min": null,
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          "conditions": "FR-4 Board (Note 1)",
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      ]
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  },
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  "discovery_triggers": [
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  "discovery_pitch": "S-LBSS5250Y3T1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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