MMBTA92

{
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  "type": "component",
  "slug": "mmbta92",
  "title": "MMBTA92",
  "brief": "hongjiacheng 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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  "component": {
    "mpn": "MMBTA92",
    "manufacturer": "hongjiacheng",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755885256144760832",
    "parts": {
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      "footprint": "mmbta92.kicad_mod",
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      "model_3d_step": "mmbta92-etched.step",
      "model_3d_step_plain": "mmbta92.step",
      "lbr": "mmbta92.lbr"
    },
    "distributor_links": {
      "lcsc": "C20069146",
      "mouser": "637-MMBTA92"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:03:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "637-MMBTA92",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "passive",
        "description": "Base terminal of the PNP transistor; the emitter-base voltage limit is VEBO -5.0 V, and the emitter-base cut-off current is max -100 nA at VEB = -5.0 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor; the emitter-base breakdown voltage V(BR)EBO is -5.0 V minimum at IE = -100 µA."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; the maximum ratings are VCBO -300 V, VCEO -300 V, IC -0.5 A, and collector power dissipation PC 350 mW."
      }
    ],
    "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 pin mapping is taken from the function diagram text (\"3 / 1 2 / C B E\") on page 1, not from a nu"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0278,
        "at": "2026-10-09T00:02:09"
      },
      "datasheet": {
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        "pages": 3,
        "sha256": "527d2d82fc79b1a9",
        "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": "mmbta92.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "centre_offset_mm": 0,
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        "sha256": "5fda1706008bd113be4a6dc4313e300d19bbf59f028921667930a00c39211d4a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "hongjiacheng",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "527d2d82fc79b1a9",
      "rows": [
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -300,
          "typ": null,
          "max": null,
          "conditions": "IC=-100μA, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": -300,
          "typ": null,
          "max": null,
          "conditions": "IC=-1.0mA, IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE=-100μA, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -250,
          "conditions": "VCB= -200V, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB= -5.0V, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(1)",
          "symbol": "hFE(1)",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC= -1.0mA VCE= -10V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(2)",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "IC= -10mA VCE= -10V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE(3)",
          "symbol": "hFE(3)",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC= -30mA VCE= -10V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.2,
          "conditions": "IC= -20mA, IB= -2.0mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.9,
          "conditions": "IC= -20mA, IB= -2.0mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC= -10mA, VCE= -20V, f=30MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -300,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -300,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance junction-to-ambient",
          "symbol": "RθJ-A",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 417,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmbta92"
  ],
  "discovery_pitch": "MMBTA92 (hongjiacheng) 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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}