main
Ray Set visibility: public 2f9f859 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2n2907a-338",
  "title": "2N2907A-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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    "2n2907a-338",
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  "component": {
    "mpn": "2N2907A-338",
    "manufacturer": "ALJ",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351557828734976",
    "parts": {
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      "footprint": "2n2907a-338.kicad_mod",
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      "model_3d_step": "2n2907a-338-etched.step",
      "model_3d_step_plain": "2n2907a-338.step",
      "lbr": "2n2907a-338.lbr"
    },
    "distributor_links": {
      "lcsc": "C22751484"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:12:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
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    "pins": [
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        "description": "Emitter terminal of the PNP transistor; the datasheet limits emitter-base voltage VEBO to -5 V."
      },
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        "number": "2",
        "name": "Base",
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        "description": "Base terminal of the PNP transistor; emitter-base breakdown is -5 V minimum (IE = -10 µA) and base-emitter saturation voltage is -1 V at IC = -150 mA, IB = -15 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; limits are VCBO -60 V, VCEO -40 V, and IC -600 mA maximum."
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists the pin order (1. Emitter, 2. Base, 3. Collector) and the title says TO-92 Plast; The datasheet gives no pin-type classification. Emitter and collector are marked passive and base is"
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        "cost_usd": 0.0204,
        "at": "2026-10-19T07:10:04"
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        "sha256": "0ba9eba3554aa527",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
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        "zmin_mm": -2.5,
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        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-19",
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  "metadata": {
    "specs": {
      "Manufacturer": "ALJ",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "0ba9eba3554aa5270b1f816b64956fafc9c7712e1f98d432fe552e68e6404896",
      "rows": [
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
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        {
          "name": "Junction temperature",
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        {
          "name": "Collector emitter voltage",
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        {
          "name": "Emitter base voltage",
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          "unit": "V",
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          "typ": null,
          "max": -5,
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        {
          "name": "Collector current",
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          "unit": "mW",
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          "unit": "°C/W",
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          "max": null,
          "conditions": "IC = -10mA, IB = 0",
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          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
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          "min": -5,
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          "max": null,
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        },
        {
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          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -10,
          "conditions": "VCB = -50V, IE = 0",
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          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICEX",
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          "max": -50,
          "conditions": "VCE = -30V, VEB(off) = -0.5V",
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        },
        {
          "name": "Emitter cut-off current",
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          "conditions": "VEB = -3V, IC = 0",
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          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE(1)",
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          "min": 100,
          "typ": null,
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          "conditions": "VCE = -5V, IC = -1mA",
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          "conditions": "VCE = -10V, IC = -0.1mA",
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        {
          "name": "DC current gain",
          "symbol": "hFE(3)",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE = -10V, IC = -150mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE(4)",
          "kind": "electrical",
          "unit": "",
          "min": 52,
          "typ": null,
          "max": null,
          "conditions": "VCE = -10V, IC = -500mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
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          "unit": "V",
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          "conditions": "IC = -150mA, IB = -15mA",
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        {
          "name": "Collector-emitter saturation voltage",
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          "conditions": "IC = -500mA, IB = -50mA",
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        {
          "name": "Base-emitter saturation voltage",
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          "max": -1,
          "conditions": "IC = -150mA, IB = -15mA",
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        {
          "name": "Base-emitter saturation voltage",
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          "kind": "electrical",
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          "min": null,
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          "max": -1.2,
          "conditions": "IC = -500mA, IB = -50mA",
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        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
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          "unit": "MHz",
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          "conditions": "VCE=-20V, IC=-50mA, f=100MHz",
          "source_page": 1,
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        {
          "name": "Delay time",
          "symbol": "td",
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          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = -30V, IC = -150mA, IB1 = -15mA",
          "source_page": 1,
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        },
        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "max": 25,
          "conditions": "VCC = -30V, IC = -150mA, IB1 = -15mA",
          "source_page": 1,
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        },
        {
          "name": "Storage time",
          "symbol": "ts",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "VCC = -6V, IC = -150mA, IB1 = -IB2 = -15mA",
          "source_page": 1,
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        },
        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "VCC = -6V, IC = -150mA, IB1 = -IB2 = -15mA",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "2N2907A-338 (ALJ) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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