main
Ray Set visibility: public ebee7cc 23d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mpsa44g-t92-a-b",
  "title": "MPSA44G-T92-A-B",
  "brief": "UTC(Unisonic Tech) Bipolar (BJT), TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "mpsa44g-t92-a-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MPSA44G-T92-A-B",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756516346840522752",
    "parts": {
      "symbol": "mpsa44g-t92-a-b.kicad_sym",
      "footprint": "mpsa44g-t92-a-b.kicad_mod",
      "model_3d": "mpsa44g-t92-a-b-hero.glb",
      "model_3d_plain": "mpsa44g-t92-a-b-etched.glb",
      "model_3d_step": "mpsa44g-t92-a-b-etched.step",
      "model_3d_step_plain": "mpsa44g-t92-a-b.step",
      "lbr": "mpsa44g-t92-a-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C2848646"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:45:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; in the TO-92 T92-A variant (MPSA44G-T92-A-B) pin 1 is the emitter, and the datasheet gives no pin-specific electrical limit beyond the device ratings (VCEO 400 V, IC 300 mA, VEBO 6 V)."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; in the TO-92 T92-A variant pin 2 is the collector, and the device limits apply (VCEO 400 V for MPSA44, IC 300 mA, peak ICM 1000 mA)."
      },
      {
        "number": "3",
        "name": "B",
        "type": "passive",
        "description": "Base terminal of the NPN transistor; in the TO-92 T92-A variant pin 3 is the base, and the datasheet gives no pin-specific limit beyond the device ratings (VEBO 6 V)."
      }
    ],
    "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 ordering table lists this MPN (MPSA44G-T92-A-B, TO-92, Tape Box) with pin assignment E C B, so p; The datasheet gives pin functions only (note: B: Base, C: Collector, E: Emitter). It states no pin-s"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0216,
        "at": "2026-10-17T18:43:21"
      },
      "datasheet": {
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        "pages": 6,
        "sha256": "60ad512401b52730",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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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": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "file": "mpsa44g-t92-a-b-etched.step",
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        "footprint_binding": "identity",
        "sha256": "5736b65e08110712060e14becd967ee9f08b3f6a4fc300ab36803cd0bc437abc",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC(Unisonic Tech)",
      "Package": "TO-92-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "60ad512401b527308c5fef15967a8ccd6de759a185ac7f871e566ebc99a2ffcb",
      "rows": [
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          "name": "Collector-Base Voltage (MPSA44)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (MPSA44)",
          "symbol": "VCES",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (MPSA44)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (Peak)",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Dissipation (TO-92, shared row with TO-92NL)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "TA=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient (TO-92, shared row with TO-92NL)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Case (TO-92, shared row with TO-92NL)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage (MPSA44)",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "IC=100μA, IE=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage (MPSA44)",
          "symbol": "BVCES",
          "kind": "electrical",
          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "IC=100μA, IB=0, VEB=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage (MPSA44)",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "IC=1mA, IB=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE=100μA, IC=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Cutoff Current (MPSA44)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCB=400V, IE=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (MPSA44)",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCE=400V, IB=0, VEB=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VEB=4V, IC=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 80,
          "typ": null,
          "max": 240,
          "conditions": "VCE=10V, IC=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain hFE",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 82,
          "typ": null,
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          "conditions": "VCE=10V, IC=10mA",
          "source_page": 4,
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        },
        {
          "name": "DC Current Gain hFE",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 45,
          "typ": null,
          "max": 240,
          "conditions": "VCE=10V, IC=50mA",
          "source_page": 4,
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        },
        {
          "name": "DC Current Gain hFE",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
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          "conditions": "VCE=10V, IC=100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IC=1mA, IB=0.1mA",
          "source_page": 4,
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(SAT)",
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          "unit": "V",
          "min": null,
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          "max": 0.5,
          "conditions": "IC=10mA, IB=1mA",
          "source_page": 4,
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        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "IC=50mA, IB=5mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "IC=10mA, IB=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Gain Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VCE=20V, IC=10mA, f=100MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "COB",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "VCB=20V, IE=0, f=1MHz",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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    "readme",
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    "info"
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  "discovery_triggers": [
    "mpsa44g-t92-a-b"
  ],
  "discovery_pitch": "MPSA44G-T92-A-B (UTC(Unisonic Tech)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}