SI2312

{
  "schema_version": 1,
  "type": "component",
  "slug": "si2312",
  "title": "SI2312",
  "brief": "Guangdong Hottech 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",
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  "component": {
    "mpn": "SI2312",
    "manufacturer": "Guangdong Hottech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603120182722514944",
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    "distributor_links": {
      "lcsc": "C5364316"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; controls the channel, with gate-source voltage limited to ±8 V and threshold VGS(th) of 0.45 V min, 0.7 V typ, 1.0 V max at ID=250μA."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "Source; main current terminal, with continuous source-drain diode current up to 1.04 A."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "Drain; rated for VDS of 20 V and continuous drain current of 5 A (20 A pulsed)."
      }
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          "extractor flagged: The package drawing labels the pins D, G and S but prints no pin numbers. I assigned 1=G, 2=S, 3=D f",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2268,
        "at": "2026-10-09T07:56:42"
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        "sha256": "57096f8724c7e398",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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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,
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        "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)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Guangdong Hottech",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "57096f8724c7e398",
      "rows": [
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          "name": "Drain-Source breakdown voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=250μA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Zero gate voltage drain current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=20V, VGS=0V",
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        },
        {
          "name": "Gate-body leakage current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VDS=0V, VGS=±8V",
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        },
        {
          "name": "Gate-threshold voltage (note 1)",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.45,
          "typ": 0.7,
          "max": 1,
          "conditions": "VDS=VGS, ID=250μA",
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        },
        {
          "name": "Drain-source on-resistance (note 1), VGS=4.5V",
          "symbol": "RDS(ON)",
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          "unit": "mΩ",
          "min": null,
          "typ": 18,
          "max": 31.8,
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        {
          "name": "Drain-source on-resistance (note 1), VGS=2.5V",
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          "unit": "mΩ",
          "min": null,
          "typ": 23,
          "max": 35.6,
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        {
          "name": "Drain-source on-resistance (note 1), VGS=1.8V",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 30,
          "max": 41.4,
          "conditions": "VGS=1.8V, ID=4.3A",
          "source_page": 1,
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        },
        {
          "name": "Gate resistance",
          "symbol": "Rg",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
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          "max": 4.8,
          "conditions": "f=1MHz",
          "source_page": 1,
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        },
        {
          "name": "Diode forward voltage (note 1)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.75,
          "max": 1.2,
          "conditions": "IS=4A, VGS=0V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-source voltage",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Gate-source voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous drain current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed drain current (Note 1)",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Source-Drain Diode current",
          "symbol": "IS",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.04,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Thermal resistance from Junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 357,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward transconductance (note 1)",
          "symbol": "gFS",
          "kind": "electrical",
          "unit": "S",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "VDS=10V, ID=5A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 865,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "VDS=10V, VGS=0V, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse transfer capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Turn-on delay time",
          "symbol": "td(on)",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VDD=30V, VGS=10V, RGEN=1Ω, ID=1.5A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Turn-on rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "VDD=30V, VGS=10V, RGEN=1Ω, ID=1.5A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Turn-off delay time",
          "symbol": "td(off)",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 32,
          "max": null,
          "conditions": "VDD=30V, VGS=10V, RGEN=1Ω, ID=1.5A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Turn-off fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VDD=30V, VGS=10V, RGEN=1Ω, ID=1.5A",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "si2312"
  ],
  "discovery_pitch": "SI2312 (Guangdong Hottech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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