MMBT9012H

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  "slug": "mmbt9012h",
  "title": "MMBT9012H",
  "brief": "ST Semtech Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "MMBT9012H",
    "manufacturer": "ST Semtech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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    "distributor_links": {
      "lcsc": "C90156"
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      "checked_at": "2026-10-09T14:20:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Base terminal of the PNP transistor; the datasheet's absolute maximum emitter-base voltage (-VEBO) is 5 V."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor; the device absolute maximum collector current (-IC) is 500 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; absolute maximum collector-base voltage (-VCBO) is 40 V and collector-emitter voltage (-VCEO) is 30 V."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
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          "extractor flagged: Pin types (input for Base, passive for Emitter and Collector) are assigned by me using KiCad ERC cla; The datasheet lists the pinout only for the SOT-23 plastic package (1.Base 2.Emitter 3.Collecter). T"
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        "at": "2026-10-09T14:17:33"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "ST Semtech",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Collector Base Voltage",
          "symbol": "-VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Absolute Maximum Ratings, Ta = 25 OC",
          "source_page": 1,
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        },
        {
          "name": "Collector Emitter Voltage",
          "symbol": "-VCEO",
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          "max": 30,
          "conditions": "Absolute Maximum Ratings, Ta = 25 OC",
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        },
        {
          "name": "Emitter Base Voltage",
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        },
        {
          "name": "Collector Current",
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        {
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          "unit": "mW",
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        {
          "name": "Junction Temperature",
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          "unit": "°C",
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        {
          "name": "Storage Temperature Range",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "/W",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 200,
          "typ": null,
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          "conditions": "at -VCE = 1 V, -IC = 100 mA",
          "source_page": 2,
          "source": "datasheet"
        },
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          "name": "DC Current Gain",
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          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "at -VCE = 1 V, -IC = 500 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Cutoff Current",
          "symbol": "-ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at -VCB = 31 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Cutoff Current",
          "symbol": "-IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at -VEB = 5.1 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Breakdown Voltage",
          "symbol": "-V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "at -IC = 100 μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Breakdown Voltage",
          "symbol": "-V(BR)CEO",
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          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "at -IC = 1 mA",
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        {
          "name": "Emitter Base Breakdown Voltage",
          "symbol": "-V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "at -IE = 100 μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Saturation Voltage",
          "symbol": "-VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "at -IC = 500 mA, -IB = 20 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Emitter Saturation Voltage",
          "symbol": "-VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 1.2,
          "conditions": "at -IC = 500 mA, -IB = 20 mA",
          "source_page": 2,
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        },
        {
          "name": "Base Emitter On Voltage",
          "symbol": "-VBE(on)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": 0.75,
          "conditions": "at -VCE = 1 V, -IC = 50 mA",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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