main
Ray Set visibility: public 8a87e03 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bss308pe",
  "title": "BSS308PE",
  "brief": "UMW 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",
    "triode-mos tube-transistor",
    "bss308pe",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BSS308PE",
    "manufacturer": "UMW",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/42a84ad9821b81b7ad628b091eeeccc4.pdf",
    "parts": {
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      "footprint": "bss308pe.kicad_mod",
      "model_3d": "bss308pe-hero.glb",
      "model_3d_plain": "bss308pe-etched.glb",
      "model_3d_step": "bss308pe-etched.step",
      "model_3d_step_plain": "bss308pe.step",
      "lbr": "bss308pe.lbr"
    },
    "distributor_links": {
      "lcsc": "C5338293",
      "digikey": "4518-BSS308PETR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T04:49:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4518-BSS308PETR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "GATE terminal; the datasheet states the device operates with gate voltages as low as 2.5V and the gate-source voltage is rated at ±20V."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the P-channel MOSFET, part of the device rated at VDS = -30V."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the P-channel MOSFET; the datasheet rates continuous drain current ID at -2 A at TA=25°C."
      }
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      "factory_chain": {
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        "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: Pin types (input for gate, passive for source and drain) are assigned from the MOSFET terminal funct"
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        "pages_sent": 10,
        "cost_usd": 0.0005,
        "at": "2026-11-12T04:49:49"
      },
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        "pages": 10,
        "sha256": "7ba470bbb0d70162",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bss308pe-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "998e456d552396f46d8602c6dd6cd13546c4902849e53c1d04a6188b6baad394",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT-23",
      "source_page": 8,
      "D": {
        "nom_mm": 2.9,
        "range_mm": [
          2.8,
          3
        ]
      },
      "E1": {
        "nom_mm": 1.3,
        "range_mm": [
          1.2,
          1.4
        ]
      },
      "E": {
        "nom_mm": 2.4,
        "range_mm": [
          2.25,
          2.55
        ]
      },
      "e": {
        "nom_mm": 0.95,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.025,
        "range_mm": [
          0.9,
          1.15
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "bss308pe.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-23",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7ba470bbb0d70162cf0bed060e7d80cde18630c816532ca8eecc8271a52be6ef",
      "rows": [
        {
          "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": "Gate threshold voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": -1.5,
          "max": -2,
          "conditions": "VDS=VGS, ID=-11µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source leakage current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VDS=-30V,VGS=0V,TJ=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-source leakage current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VGS=-20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-state resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "VGS=-4.5V, ID=-1.7A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-state resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "VGS=-10V, ID=-2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 376,
          "max": 500,
          "conditions": "VDS=0V, VGS=-15V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 196,
          "max": 261,
          "conditions": "VDS=0V, VGS=-15V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse transfer capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 12,
          "max": 18,
          "conditions": "VDS=0V, VGS=-15V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Diode forward voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.1,
          "conditions": "VGS=0V, IF=-2V, TJ=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain current (TA=25°C)",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -2,
          "conditions": "TA=25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain current (TA=70°C)",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -1.6,
          "conditions": "TA=70 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed drain current",
          "symbol": "ID, pulse",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -8,
          "conditions": "TA=25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Avalanche energy, single pulse",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": -10.7,
          "conditions": "ID=-2 A, RGS=25 Ω",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate source voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "TA=25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and storage temperature",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse diode dv/dt",
          "symbol": "dv/dt",
          "kind": "absolute_maximum",
          "unit": "kV/µs",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "ID=-2 A, VDS=-16V; di/dt=-200A/µs, Tj,max=150 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction - ambient (minimal footprint)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "minimal footprint",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction - ambient (40mm² FR4 PCB)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": 62,
          "max": null,
          "conditions": "Performed on 40mm² FR4 PCB (footnote 1)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "bss308pe"
  ],
  "discovery_pitch": "BSS308PE (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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  "visibility": {
    "public": true
  }
}