MMBFJ113

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  "title": "MMBFJ113",
  "brief": "onsemi MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "MMBFJ113",
    "manufacturer": "onsemi",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907551644008448",
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      "lbr": "mmbfj113.lbr"
    },
    "distributor_links": {
      "lcsc": "C891686",
      "digikey": "MMBFJ113TR-ND",
      "mouser": "512-MMBFJ113"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T12:58:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MMBFJ113TR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "512-MMBFJ113",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain terminal; the datasheet states source and drain are interchangeable, and drain-gate voltage is limited to 35 V (VDG)."
      },
      {
        "number": "2",
        "name": "SOURCE",
        "type": "passive",
        "description": "Source terminal; the datasheet states source and drain are interchangeable, and gate-source voltage is rated −35 V (VGS)."
      },
      {
        "number": "3",
        "name": "GATE",
        "type": "input",
        "description": "Gate terminal; forward gate current is limited to 50 mA (IGF), and gate reverse current is 1.0 nA max at VGS = −15 V with VDS = 0."
      }
    ],
    "provenance": {
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        "guard_notes": [
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        "cost_usd": 0.1573,
        "at": "2026-10-09T12:56:12"
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      "datasheet": {
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        "pages": 11,
        "sha256": "f62cadc2a2d4f52f",
        "source_tier": "lcsc"
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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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        "checked": "2026-10-09",
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f62cadc2a2d4f52f",
      "rows": [
        {
          "name": "Drain−Gate Voltage",
          "symbol": "VDG",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate−Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -35,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Gate Current",
          "symbol": "IGF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Junction Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "MMBFJ111/MMBFJ112/MMBFJ113 SOT-23, Note 4",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate Above 25°C",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 2.8,
          "max": null,
          "conditions": "MMBFJ111/MMBFJ112/MMBFJ113 SOT-23, Note 4",
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        },
        {
          "name": "Thermal Resistance, Junction−to−Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 357,
          "conditions": "MMBFJ111/MMBFJ112/MMBFJ113 SOT-23, Note 4",
          "source_page": 1,
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        },
        {
          "name": "Gate−Source Breakdown Voltage",
          "symbol": "V(BR)GSS",
          "kind": "electrical",
          "unit": "V",
          "min": -35,
          "typ": null,
          "max": null,
          "conditions": "IG = −1.0 A, VDS = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Reverse Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VGS = −15 V, VDS = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate−Source Cut−Off Voltage (113)",
          "symbol": "VGS(off)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": -3,
          "conditions": "VDS = 5 V, ID = 1.0 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain Cutoff Leakage Current",
          "symbol": "ID(off)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS = 5.0 V, VGS = −10 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero−Gate Voltage Drain Current (113)",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "mA",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VDS = 15 V, VGS = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain−Source On Resistance (113)",
          "symbol": "rDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VDS ≤ 0.1 V, VGS = 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain−Gate & Source−Gate On Capacitance",
          "symbol": "Cdg(on)/Csg(on)",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "VDS = 0, VGS = 0, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain−Gate Off Capacitance",
          "symbol": "Cdg(off)",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDS = 0, VGS = −10 V, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Source−Gate Off Capacitance",
          "symbol": "Csg(off)",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDS = 0, VGS = −10 V, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        }
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    }
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  "discovery_pitch": "MMBFJ113 (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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