STN4438

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  "slug": "stn4438",
  "title": "STN4438",
  "brief": "UMW MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "STN4438",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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      "source": "Component Ocean /api/assign-pns",
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        "status": "quota"
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        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are the common source); device VDSS is rated 60 V."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are the common source); device VDSS is rated 60 V."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are the common source); device VDSS is rated 60 V."
      },
      {
        "number": "4",
        "name": "G",
        "type": "input",
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      },
      {
        "number": "5",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are the common drain); drain-source voltage is rated 60 V (VDSS)."
      },
      {
        "number": "6",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are the common drain); drain-source voltage is rated 60 V (VDSS)."
      },
      {
        "number": "7",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are the common drain); drain-source voltage is rated 60 V (VDSS)."
      },
      {
        "number": "8",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are the common drain); drain-source voltage is rated 60 V (VDSS)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the SOP-8 pinout only as symbol and name (pins 1-3 S, pin 4 G, pins 5-8 D) with ; Ordering information lists the MPN STN4438 in an SOP-8 package (3000 pcs, tape and reel), which matc; The absolute maximum ratings table on page 1 has its values in an ambiguous column order, so I did n"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0232,
        "at": "2026-10-17T18:45:47"
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        "pages": 7,
        "sha256": "544bc7c4dd2e7820",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-8",
      "Category": "Transistors/Thyristors",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Drain-Source Voltage",
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          "unit": "V",
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          "max": 60,
          "conditions": "TA=25°C",
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          "name": "Gate-Source Voltage",
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          "min": -20,
          "typ": null,
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        },
        {
          "name": "Pulsed Drain Current",
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          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
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        },
        {
          "name": "Continuous Source Current (Diode Conduction)",
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          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
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          "name": "Continuous Drain Current",
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          "unit": "A",
          "min": null,
          "typ": null,
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          "name": "Continuous Drain Current",
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          "min": null,
          "typ": null,
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.1,
          "conditions": "TA=25°C",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "TA=70°C",
          "source_page": 1,
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        },
        {
          "name": "Operation Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Storage Temperature Range",
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          "unit": "°C",
          "min": -55,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Thermal Resistance-Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
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        },
        {
          "name": "Drain-source breakdown voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=250µA",
          "source_page": 2,
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        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "VDS=VGS, ID=250µA",
          "source_page": 2,
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        },
        {
          "name": "Gate-source leakage",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VGS=±20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero gate voltage drain current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=48V, VGS=0V",
          "source_page": 2,
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        {
          "name": "Zero gate voltage drain current",
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          "conditions": "VDS=48V, VGS=0V, TJ=50°C",
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        {
          "name": "On-State Drain Current",
          "symbol": "ID(ON)",
          "kind": "electrical",
          "unit": "A",
          "min": 40,
          "typ": null,
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          "conditions": "VDS≥5V, VGS=10V",
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        },
        {
          "name": "Drain-source On Resistance",
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          "kind": "electrical",
          "unit": "mΩ",
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          "typ": null,
          "max": 32,
          "conditions": "VGS=10V, ID=8A",
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        {
          "name": "Drain-source On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
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          "max": 37,
          "conditions": "VGS=4.5V, ID=6.6A",
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        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IS=1A, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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