FMMTA92TA

{
  "schema_version": 1,
  "type": "component",
  "slug": "fmmta92ta",
  "title": "FMMTA92TA",
  "brief": "Diodes Incorporated 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": [
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    "transistors-thyristors",
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    "extractor-text"
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  "component": {
    "mpn": "FMMTA92TA",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560093094327975936",
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      "lbr": "fmmta92ta.lbr"
    },
    "distributor_links": {
      "lcsc": "C460082",
      "digikey": "FMMTA92TR-ND",
      "mouser": "522-FMMTA92TA"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T00:52:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FMMTA92TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "522-FMMTA92TA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor; the datasheet gives IEBO max -100 nA at VEB = -3V and VEBO of -5V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; emitter-base voltage rating VEBO is -5V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor; VCEO of -300V, VCBO of -300V, and continuous IC of -200mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-out drawing on page 1 shows only the letters (C on the single top lead, B bottom left, E bot",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1339,
        "at": "2026-10-10T00:50:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560093094327975936",
        "pages": 7,
        "sha256": "31f111c994c2ef7a",
        "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": "fmmta92ta.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fmmta92ta-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "5d22424ae5fb3fd31b72b75706e598304dff55c2d3baf622e66b8555af9972c2",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "31f111c994c2ef7a",
      "rows": [
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -200,
          "conditions": "",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.31,
          "conditions": "Note 5: minimum recommended pad layout, 1oz copper, single-sided 1.6mm FR-4, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "Note 6: 15mm x 15mm 1oz copper",
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        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 403,
          "max": null,
          "conditions": "Note 5: minimum recommended pad layout, 1oz copper, single-sided 1.6mm FR-4, still air",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction to Ambient",
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          "kind": "thermal",
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          "max": null,
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        },
        {
          "name": "Thermal Resistance, Junction to Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "Note 7: junction to solder-point (end of collector lead)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Electrostatic Discharge - Human Body Model",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "JEDEC Class 3A (Note 8)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge - Machine Model",
          "symbol": "ESD MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "JEDEC Class C (Note 8)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -300,
          "typ": null,
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          "conditions": "IC = -100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
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          "typ": null,
          "max": null,
          "conditions": "IC = -1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE = -100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -250,
          "conditions": "VCE = -200V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB = -3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "IC = -1mA, VCE = -10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC = -10mA, VCE = -10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "IC = -20mA, IB = -2mA",
          "source_page": 4,
          "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 = -2mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cobo",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VCB = -20V, f = 1MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VCE = -20V, IC = -10mA, f = 20MHz",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "FMMTA92TA (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}