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Ray Set visibility: public fbe35a3 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "stp4925a",
  "title": "STP4925A",
  "brief": "UMW MOSFETs, SOP-8. 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",
    "stp4925a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STP4925A",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/277aff08d6d4451d778e64a73dd2f357.pdf",
    "parts": {
      "symbol": "stp4925a.kicad_sym",
      "footprint": "stp4925a.kicad_mod",
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      "model_3d_plain": "stp4925a-etched.glb",
      "model_3d_step": "stp4925a-etched.step",
      "model_3d_step_plain": "stp4925a.step",
      "lbr": "stp4925a.lbr"
    },
    "distributor_links": {
      "lcsc": "C5338310",
      "digikey": "4518-STP4925ATR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T07:54:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4518-STP4925ATR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source terminal of MOSFET 1; the datasheet rates the source current (diode conduction) IS at -2.3 A and VDSS at -30 V."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate terminal of MOSFET 1; gate-source voltage VGSS is limited to ±20 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source terminal of MOSFET 2; the datasheet rates the source current (diode conduction) IS at -2.3 A and VDSS at -30 V."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate terminal of MOSFET 2; gate-source voltage VGSS is limited to ±20 V."
      },
      {
        "number": "5",
        "name": "D1",
        "type": "passive",
        "description": "Drain terminal of one of the two MOSFETs; drain-source voltage VDSS is -30 V and continuous drain current ID is -7.2 A at TA=25°C."
      },
      {
        "number": "6",
        "name": "D1",
        "type": "passive",
        "description": "Drain terminal of one of the two MOSFETs; drain-source voltage VDSS is -30 V and continuous drain current ID is -7.2 A at TA=25°C."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "passive",
        "description": "Drain terminal of one of the two MOSFETs; drain-source voltage VDSS is -30 V and continuous drain current ID is -7.2 A at TA=25°C."
      },
      {
        "number": "8",
        "name": "D2",
        "type": "passive",
        "description": "Drain terminal of one of the two MOSFETs; drain-source voltage VDSS is -30 V and continuous drain current ID is -7.2 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 pinning table lists D1 and D2 together for pins 5-8 without assigning each pin to a specific dra; Pin-to-name mapping for pins 1-4 (S1=1, G1=2, S2=3, G2=4) was taken from the pin-diagram row 'S1 G1 ; The datasheet does not state a per-pin electrical limit for each pin; descriptions use the device-le"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0285,
        "at": "2026-10-21T07:50:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/277aff08d6d4451d778e64a73dd2f357.pdf",
        "pages": 7,
        "sha256": "a325984b32a778f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stp4925a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stp4925a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2e57b653b0b48f77012d69738188757da6fa7abda229c39838a623e8b08475a3",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-8",
      "Category": "Transistors/Thyristors",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a325984b32a778f63b800b095a635e75bd3dde7a5f4b92c5788f30000d06558d",
      "rows": [
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": -3,
          "conditions": "VDS=VGS, ID=-250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "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=-30V, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero gate voltage drain current (TJ=55°C)",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "VDS=-30V, VGS=0V, TJ=55°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "VGS=-10V, ID=-7.2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "VGS=-4.5V, ID=-5.6A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source breakdown voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=-250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "IS=-2.3A, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Source Current (Diode Conduction)",
          "symbol": "IS",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -2.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -7.2,
          "typ": null,
          "max": null,
          "conditions": "TA=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -5.6,
          "typ": null,
          "max": null,
          "conditions": "TA=70°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.8,
          "conditions": "TA=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "TA=70°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance-Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "stp4925a"
  ],
  "discovery_pitch": "STP4925A (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}