main
Ray Set visibility: public 461769e 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2n2222a-338",
  "title": "2N2222A-338",
  "brief": "ALJ Bipolar (BJT), TO-92. 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"
  ],
  "component": {
    "mpn": "2N2222A-338",
    "manufacturer": "ALJ",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "model_3d_plain": "2n2222a-338-etched.glb",
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      "model_3d_step_plain": "2n2222a-338.step",
      "lbr": "2n2222a-338.lbr"
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    "distributor_links": {
      "lcsc": "C22751485"
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    "distributor_check": {
      "checked_at": "2026-10-18T02:32:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
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        "name": "Emitter",
        "type": "passive",
        "description": "NPN emitter terminal, operated within the absolute maximum ratings of VEBO 6 V, IC 600 mA and Tj 150 °C stated for the device."
      },
      {
        "number": "2",
        "name": "Base",
        "type": "passive",
        "description": "NPN base terminal, driven in the datasheet's saturation tests at IB = 15 mA for IC = 150 mA and IB = 50 mA for IC = 500 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
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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": [
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        "cost_usd": 0.0206,
        "at": "2026-10-18T02:32:02"
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        "pages": 3,
        "sha256": "76d3e39486350c58",
        "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
      }
    },
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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": [
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        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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  "metadata": {
    "specs": {
      "Manufacturer": "ALJ",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "76d3e39486350c58df6e96f955b7392250a0c1a5e1c4bd68ec3b45ac0aae4b26",
      "rows": [
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          "max": 75,
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        },
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          "name": "Collector Emitter Voltage",
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        },
        {
          "name": "Collector Current",
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          "unit": "mA",
          "min": null,
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          "max": 600,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
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          "unit": "mW",
          "min": null,
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          "max": 625,
          "conditions": "",
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        {
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          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 75,
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          "max": null,
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        {
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          "symbol": "V(BR)EBO",
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          "typ": null,
          "max": null,
          "conditions": "IE = 10µA, IC = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
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          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCB = 60V, IE = 0",
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          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB = 3V, IC = 0",
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        },
        {
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          "kind": "electrical",
          "unit": "",
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          "conditions": "VCE = 10V, IC = 0.1mA",
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        },
        {
          "name": "Collector-emitter saturation voltage",
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        {
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          "typ": null,
          "max": 0.6,
          "conditions": "IC = 500mA, IB = 50mA",
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        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
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          "conditions": "IC = 500mA, IB = 50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
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          "conditions": "VCE = 20V, IC = 20mA, f = 100MHz",
          "source_page": 2,
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          "symbol": "td",
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          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VCC = 30V, VEB(Off) = -0.5V, IC =1 50mA, IB1 = 15mA",
          "source_page": 2,
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        },
        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "ns",
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          "typ": 25,
          "max": null,
          "conditions": "VCC = 30V, VEB(Off) = -0.5V, IC =1 50mA, IB1 = 15mA",
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          "name": "Storage time",
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          "conditions": "VCC = 30V, IC = 150mA, IB1 = IB2 = 15mA",
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        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "VCC = 30V, IC = 150mA, IB1 = IB2 = 15mA",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "2n2222a-338"
  ],
  "discovery_pitch": "2N2222A-338 (ALJ) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}