main
Ray st3421srg: specified limits as data (metadata.characteristics, 20 rows from the datasheet) a29446b 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "st3421srg",
  "title": "ST3421SRG",
  "brief": "STANSON Tech MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "st3421srg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ST3421SRG",
    "manufacturer": "STANSON Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911328752766976",
    "parts": {
      "symbol": "st3421srg.kicad_sym",
      "footprint": "st3421srg.kicad_mod",
      "model_3d": "st3421srg-hero.glb",
      "model_3d_plain": "st3421srg.glb",
      "model_3d_step": "st3421srg-etched.step",
      "model_3d_step_plain": "st3421srg.step",
      "lbr": "st3421srg.lbr"
    },
    "distributor_links": {
      "lcsc": "C2682893"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T14:21:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Gate",
        "type": "input",
        "description": "Gate of the P-channel enhancement MOSFET; the gate-source voltage is rated ±20 V (VGSS)."
      },
      {
        "number": "2",
        "name": "Source",
        "type": "passive",
        "description": "Source of the P-channel MOSFET; the continuous source current (diode conduction) is rated -1.25 A (IS)."
      },
      {
        "number": "3",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the P-channel MOSFET; the drain-source voltage is rated -60 V (VDSS) with continuous drain current -5.0 A at TA=25°C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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": [
          "extractor flagged: The SOT-23 pin assignment is taken from the printed text 'SOT-23 1.Gate 2.Source 3.Drain' on page 1.; The datasheet's absolute maximum ratings table labels its column 'Typical' rather than 'Value', and "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0249,
        "at": "2026-10-09T14:19:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911328752766976",
        "pages": 6,
        "sha256": "66bb654dd810f77f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "st3421srg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "st3421srg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f2709e56efb405c424831155bbbcca1a1c2a69c71efd9fa4a871c07fa5eb900f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STANSON Tech",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "66bb654dd810f77f",
      "rows": [
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -3.5,
          "conditions": "TA=70℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Source Current (Diode Conduction)",
          "symbol": "IS",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -1.25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "TA=70℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operation Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance-Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": -60,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V,ID=-10uA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": -3,
          "conditions": "VDS=VGS,ID=-250uA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VDS=0V,VGS=±20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VDS=-48V,VGS=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -10,
          "conditions": "VDS=-48V,VGS=0V, TJ=55℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-source On-Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.15,
          "max": 0.16,
          "conditions": "VGS=-10V,ID=-5.0A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-source On-Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.185,
          "max": 0.2,
          "conditions": "VGS=-4.5V,ID=-2.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Transconductance",
          "symbol": "gfs",
          "kind": "electrical",
          "unit": "S",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VDS=-10V,ID=-1.7V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.8,
          "max": -1.2,
          "conditions": "IS=-1.25A,VGS=0V",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "st3421srg"
  ],
  "discovery_pitch": "ST3421SRG (STANSON Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "st3421srg.kicad_sym",
    "st3421srg.kicad_mod",
    "st3421srg.glb",
    "st3421srg.step",
    "st3421srg.lbr",
    "docs/hero.png",
    "docs/st3421srg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "st3421srg-hero.glb",
    "st3421srg-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}