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Ray Set visibility: public 15068ef 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "si2318",
  "title": "SI2318",
  "brief": "HXY MOSFET 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",
    "si2318",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SI2318",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ab5b07b7ca625fc3c4bda8690cbf8463.pdf",
    "parts": {
      "symbol": "si2318.kicad_sym",
      "footprint": "si2318.kicad_mod",
      "model_3d": "si2318-hero.glb",
      "model_3d_plain": "si2318-etched.glb",
      "model_3d_step": "si2318-etched.step",
      "model_3d_step_plain": "si2318.step",
      "lbr": "si2318.lbr"
    },
    "distributor_links": {
      "lcsc": "C5337198",
      "digikey": "6557-SI2318TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T04:51:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "6557-SI2318TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; controls the channel, with VGS rated at ±20 V maximum and RDS(ON) specified at VGS=10V and 4.5V."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "Source; the body diode runs from source to drain, with a source-drain diode current of 1.75 A maximum."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "Drain; rated for VDS of 40 V and continuous drain current of 5 A at TC=25℃."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pages I read label the leads D, G and S in the SOT-23 picture and symbol. They do not ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.101,
        "at": "2026-10-21T04:49:25"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ab5b07b7ca625fc3c4bda8690cbf8463.pdf",
        "pages": 5,
        "sha256": "3f3a752e4096e120",
        "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": "si2318.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": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "si2318-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": "b1d66f27938ce9cc909c943f1ab7519ab032cd2c845b9db152ec6e434dd6891e",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-23",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3f3a752e4096e1203fa6f20cf46c8dc5e542d9afa52899084ed4dace2bb8fb5e",
      "rows": [
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current (TA=25℃)",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=40V, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current (TA=125℃)",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VDS=40V, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Body Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VGS=±20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 1.9,
          "max": 2.5,
          "conditions": "VDS=VGS, ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance (VGS=10V)",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 30,
          "max": 38,
          "conditions": "VGS=10V, ID=5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance (VGS=4.5V)",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 36,
          "max": 52,
          "conditions": "VGS=4.5V, ID=4A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Source drain current (Body Diode)",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.75,
          "conditions": "TA=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward on voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.79,
          "max": 1.2,
          "conditions": "Tj=25℃, ISD=3.5A, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "TC=25℃ unless otherwise noted",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "TC=25℃ unless otherwise noted",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain Current – Continuous (TC=25℃)",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain Current – Continuous (TC=70℃)",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4.2,
          "conditions": "TC=70℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (TC=25℃)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.56,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "si2318"
  ],
  "discovery_pitch": "SI2318 (HXY MOSFET) 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",
    "si2318.kicad_sym",
    "si2318.kicad_mod",
    "si2318.glb",
    "si2318.step",
    "si2318.lbr",
    "docs/hero.png",
    "docs/si2318-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "si2318-hero.glb",
    "si2318-hero.overlay.json",
    "si2318-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}