MMBT2222ALT1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbt2222alt1g",
  "title": "MMBT2222ALT1G",
  "brief": "onsemi 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": [
    "component",
    "transistors-thyristors",
    "mmbt2222alt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMBT2222ALT1G",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177034749939712",
    "parts": {
      "symbol": "mmbt2222alt1g.kicad_sym",
      "footprint": "mmbt2222alt1g.kicad_mod",
      "model_3d": "mmbt2222alt1g-etched.glb",
      "model_3d_plain": "mmbt2222alt1g.glb",
      "model_3d_step": "mmbt2222alt1g-etched.step",
      "model_3d_step_plain": "mmbt2222alt1g.step",
      "lbr": "mmbt2222alt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C82460"
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Transistor base (control input) terminal with maximum emitter-base voltage of 6.0 V"
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Transistor emitter terminal; maximum continuous collector current 600 mA"
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Transistor collector terminal with maximum collector-emitter voltage 40 V, maximum collector-base voltage 75 V, and maximum continuous collector current 600 mA"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.1242,
        "at": "2026-09-17T22:32:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177034749939712",
        "pages": 7,
        "sha256": "f961fdb4e585c6bf",
        "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": "mmbt2222alt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbt2222alt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9a316baadb275a0e9d8357b0c2557fba6767c50c599c56aa87460621112e8945",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f961fdb4e585c6bf",
      "rows": [
        {
          "name": "Collector−Emitter Voltage (MMBT2222AL column)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector−Base Voltage (MMBT2222AL column)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter−Base Voltage (MMBT2222AL column)",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current − Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current − Peak",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "mAdc",
          "min": null,
          "typ": null,
          "max": 1100,
          "conditions": "(Note 3)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation FR−5 Board",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "TA = 25°C (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation Alumina Substrate",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "TA = 25°C (Note 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction−to−Ambient (FR−5 Board)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 556,
          "conditions": "FR−5 board (Note 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction−to−Ambient (Alumina Substrate)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "Alumina substrate (Note 2)",
          "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": "Collector−Emitter Breakdown Voltage (MMBT2222A)",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mAdc, IB = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector−Base Breakdown Voltage (MMBT2222A)",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 Adc, IE = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter−Base Breakdown Voltage (MMBT2222A)",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE = 10 Adc, IC = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (MMBT2222A)",
          "symbol": "ICEX",
          "kind": "electrical",
          "unit": "nAdc",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCE = 60 Vdc, VEB(off) = 3.0 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (MMBT2222A)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "Adc",
          "min": null,
          "typ": null,
          "max": 0.01,
          "conditions": "VCB = 60 Vdc, IE = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current (MMBT2222A, TA = 125°C)",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "Adc",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCB = 60 Vdc, IE = 0, TA = 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cutoff Current (MMBT2222A)",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nAdc",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB = 3.0 Vdc, IC = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Cutoff Current (MMBT2222A)",
          "symbol": "IBL",
          "kind": "electrical",
          "unit": "nAdc",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VCE = 60 Vdc, VEB(off) = 3.0 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IC = 0.1 mAdc, VCE = 10 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 1.0 mAdc, VCE = 10 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A, TA = −55°C)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc, TA = −55°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "IC = 150 mAdc, VCE = 10 Vdc (Note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain (MMBT2222A)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC = 500 mAdc, VCE = 10 Vdc (Note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector−Emitter Saturation Voltage (MMBT2222A)",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IC = 150 mAdc, IB = 15 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector−Emitter Saturation Voltage (MMBT2222A)",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IC = 500 mAdc, IB = 50 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base−Emitter Saturation Voltage (MMBT2222A)",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 0.6,
          "typ": null,
          "max": 1.2,
          "conditions": "IC = 150 mAdc, IB = 15 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base−Emitter Saturation Voltage (MMBT2222A)",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "IC = 500 mAdc, IB = 50 mAdc",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current−Gain − Bandwidth Product (MMBT2222A)",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "IC = 20 mAdc, VCE = 20 Vdc, f = 100 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cobo",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VCB = 10 Vdc, IE = 0, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance (MMBT2222A)",
          "symbol": "Cibo",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Impedance (MMBT2222A)",
          "symbol": "hie",
          "kind": "electrical",
          "unit": "k",
          "min": 2,
          "typ": null,
          "max": 8,
          "conditions": "IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Impedance (MMBT2222A)",
          "symbol": "hie",
          "kind": "electrical",
          "unit": "k",
          "min": 0.25,
          "typ": null,
          "max": 1.25,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Feedback Ratio (MMBT2222A)",
          "symbol": "hre",
          "kind": "electrical",
          "unit": "X 10−4",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Feedback Ratio (MMBT2222A)",
          "symbol": "hre",
          "kind": "electrical",
          "unit": "X 10−4",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Small−Signal Current Gain (MMBT2222A)",
          "symbol": "hfe",
          "kind": "electrical",
          "unit": "",
          "min": 50,
          "typ": null,
          "max": 300,
          "conditions": "IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Small−Signal Current Gain (MMBT2222A)",
          "symbol": "hfe",
          "kind": "electrical",
          "unit": "",
          "min": 75,
          "typ": null,
          "max": 375,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Admittance (MMBT2222A)",
          "symbol": "hoe",
          "kind": "electrical",
          "unit": "mhos",
          "min": 5,
          "typ": null,
          "max": 35,
          "conditions": "IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Admittance (MMBT2222A)",
          "symbol": "hoe",
          "kind": "electrical",
          "unit": "mhos",
          "min": 25,
          "typ": null,
          "max": 200,
          "conditions": "IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Time Constant (MMBT2222A)",
          "symbol": "rb, Cc",
          "kind": "electrical",
          "unit": "ps",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "IE = 20 mAdc, VCB = 20 Vdc, f = 31.8 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure (MMBT2222A)",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "IC = 100 Adc, VCE = 10 Vdc, RS = 1.0 k, f = 1.0 kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Delay Time (MMBT2222A only)",
          "symbol": "td",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 30 Vdc, VBE(off) = −0.5 Vdc, IC = 150 mAdc, IB1 = 15 mAdc",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rise Time (MMBT2222A only)",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Time (MMBT2222A only)",
          "symbol": "ts",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "VCC = 30 Vdc, IC = 150 mAdc, IB1 = IB2 = 15 mAdc",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Fall Time (MMBT2222A only)",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmbt2222alt1g"
  ],
  "discovery_pitch": "MMBT2222ALT1G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbt2222alt1g.kicad_sym",
    "mmbt2222alt1g.kicad_mod",
    "mmbt2222alt1g.glb",
    "mmbt2222alt1g.step",
    "mmbt2222alt1g.lbr",
    "docs/hero.png",
    "docs/mmbt2222alt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T02:09:22.932Z"
}