TTD18P10AT

{
  "schema_version": 1,
  "type": "component",
  "slug": "ttd18p10at",
  "title": "TTD18P10AT",
  "brief": "WUXI UNIGROUP MICRO MOSFETs, TO-252. 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": "TTD18P10AT",
    "manufacturer": "WUXI UNIGROUP MICRO",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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      "lbr": "ttd18p10at.lbr"
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    "distributor_links": {
      "lcsc": "C691667"
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    "distributor_check": {
      "checked_at": "2026-10-18T15:04:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; gate-source voltage limited to ±20V, with threshold of -1.0V to -3.0V at ID = -250µA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain, also connected to the exposed tab; drain-source voltage rated -100V and continuous drain current -18A."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; body diode continuous current rated -18A from source to drain."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The TO-252 package drawing on page 7 shows no pin numbers. The G, D, S order comes from the page 1 p; The exposed tab is drain per the standard TO-252 layout, but the datasheet text doesn't label it. I ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2299,
        "at": "2026-10-18T15:04:01"
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        "sha256": "b7398927fc130c4c",
        "source_tier": "lcsc"
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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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        "zmin_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "WUXI UNIGROUP MICRO",
      "Package": "TO-252",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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    "characteristics": {
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          "typ": null,
          "max": -100,
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        {
          "name": "Pulsed Drain Current",
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          "name": "Gate-Source Voltage",
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          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
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        {
          "name": "Single Pulse Avalanche Energy",
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          "min": null,
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          "name": "Power Dissipation",
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          "unit": "W",
          "min": null,
          "typ": null,
          "max": 113,
          "conditions": "TC = 25ºC",
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        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
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          "min": -55,
          "typ": null,
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        {
          "name": "Thermal Resistance, Junction-to-Case",
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          "name": "Drain-Source Breakdown Voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
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          "typ": null,
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          "source_page": 2,
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        },
        {
          "name": "Zero Gate Voltage Drain Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VDS = -100V, VGS = 0V, TJ = 25ºC",
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        {
          "name": "Gate-Source Leakage",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
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          "typ": null,
          "max": 100,
          "conditions": "VGS = ±20V",
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        {
          "name": "Gate-Source Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": -1.7,
          "max": -3,
          "conditions": "VDS = VGS, ID = -250µA",
          "source_page": 2,
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        {
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          "typ": 80,
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        {
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          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 90,
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          "conditions": "VGS = -4.5V, ID = -9A",
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        {
          "name": "Forward Transconductance",
          "symbol": "gfs",
          "kind": "electrical",
          "unit": "S",
          "min": null,
          "typ": 5.9,
          "max": null,
          "conditions": "VDS = -50V, ID = -10A",
          "source_page": 2,
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          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 4182,
          "max": null,
          "conditions": "VGS = 0V, VDS = -50V, f = 1.0MHz",
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          "name": "Output Capacitance",
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          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 102,
          "max": null,
          "conditions": "VGS = 0V, VDS = -50V, f = 1.0MHz",
          "source_page": 2,
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        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 53,
          "max": null,
          "conditions": "VGS = 0V, VDS = -50V, f = 1.0MHz",
          "source_page": 2,
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        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, VGS = -10V",
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          "name": "Gate-Source Charge",
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          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 13,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, VGS = -10V",
          "source_page": 2,
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        {
          "name": "Gate-Drain Charge",
          "symbol": "Qgd",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, VGS = -10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Delay Time",
          "symbol": "td(on)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, RG = 2.5Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Rise Time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 73,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, RG = 2.5Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-off Delay Time",
          "symbol": "td(off)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 34,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, RG = 2.5Ω",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Turn-off Fall Time",
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          "min": null,
          "typ": 57,
          "max": null,
          "conditions": "VDD = -50V, ID = -18A, RG = 2.5Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Body Diode Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -18,
          "conditions": "TC = 25ºC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Diode Forward Current",
          "symbol": "ISM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -90,
          "conditions": "",
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        },
        {
          "name": "Body Diode Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.2,
          "conditions": "TJ = 25ºC, ISD = -18A, VGS = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 89,
          "max": null,
          "conditions": "IF = -18A, diF/dt = 100A/μs",
          "source_page": 2,
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        {
          "name": "Reverse Recovery Charge",
          "symbol": "Qrr",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "IF = -18A, diF/dt = 100A/μs",
          "source_page": 2,
          "source": "datasheet"
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  "author": {
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