main
Ray Set visibility: public fbaf559 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lmbta56lt1g",
  "title": "LMBTA56LT1G",
  "brief": "LRC 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",
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    "mpn": "LMBTA56LT1G",
    "manufacturer": "LRC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "model_3d_step_plain": "lmbta56lt1g.step",
      "lbr": "lmbta56lt1g.lbr"
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    "distributor_links": {
      "lcsc": "C78722"
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    "distributor_check": {
      "checked_at": "2026-10-18T05:18:00Z",
      "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 gives no separate base limit, and the emitter-base rating is VEBO = -4.0 Vdc."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor, with emitter-base breakdown VBR(EBO) of -4 V minimum at IE = -100 µA and an emitter-base rating of VEBO = -4.0 Vdc."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor, rated for VCEO = -80 Vdc, VCBO = -80 Vdc and continuous collector current IC = -500 mAdc."
      }
    ],
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        "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 SOT-23 pin assignment (1 BASE, 2 EMITTER, 3 COLLECTOR) comes from text labels in the page 1 pack; The datasheet gives no pin types. All three are typed as passive, following the KiCad BJT symbol con; The datasheet covers only the SOT-23 package for LMBTA56LT1G (the ordering table lists tape-and-reel"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0269,
        "at": "2026-10-18T05:15:57"
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      "datasheet": {
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        "pages": 5,
        "sha256": "94212d74ae2eed8e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "lmbta56lt1g-etched.step",
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        "sha256": "2df2ea5af089c7c348d43f95e4e63eb62ca0d93246f1762e4845ba720618ce63",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "94212d74ae2eed8ea7458c65ffaf861356849be8f31b2eb49416db7ea4e1a302",
      "rows": [
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          "name": "Collector–Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector–Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter–Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Collector Current — Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": -500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation FR-5 Board (Note 1)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "@ Ta = 25°C, FR-5 board",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate above 25°C (FR-5 Board)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "Above Ta = 25°C, FR-5 board",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (FR-5 Board)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 556,
          "conditions": "FR-5 board",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation Alumina Substrate (Note 2)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "@ Ta = 25°C, alumina substrate",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate above 25°C (Alumina Substrate)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 2.4,
          "conditions": "Above Ta = 25°C, alumina substrate",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (Alumina Substrate)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "Alumina substrate",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector–Emitter Breakdown Voltage",
          "symbol": "VBR(CEO)",
          "kind": "electrical",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC = -1 mAdc, IB = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter–Base Breakdown Voltage",
          "symbol": "VBR(EBO)",
          "kind": "electrical",
          "unit": "V",
          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "IE = -100 μAdc, IC = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (VCE)",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCE = -60 Vdc, IE = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (VCB)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCB = -80 Vdc, IE = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC = -10 mAdc, VCE = -1 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector–Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.25,
          "conditions": "IC = -100 mAdc, IB = -10 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base–Emitter On Voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.2,
          "conditions": "IC = -100 mAdc, VCE = -1 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current–Gain — Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = -100 mAdc, VCE = -1 Vdc, f = 100 MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "lmbta56lt1g"
  ],
  "discovery_pitch": "LMBTA56LT1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}