main
Ray Set visibility: public da570fa 8h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "rs85n140t",
  "title": "RS85N140T",
  "brief": "REASUNOS MOSFETs, TO-220. 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",
    "rs85n140t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RS85N140T",
    "manufacturer": "REASUNOS",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ba5be3f7d18a29b4d419720e236795d8.pdf",
    "parts": {
      "symbol": "rs85n140t.kicad_sym",
      "footprint": "rs85n140t.kicad_mod",
      "model_3d": "rs85n140t-hero.glb",
      "model_3d_plain": "rs85n140t-etched.glb",
      "model_3d_step": "rs85n140t-etched.step",
      "model_3d_step_plain": "rs85n140t.step",
      "lbr": "rs85n140t.lbr"
    },
    "distributor_links": {
      "lcsc": "C7465256"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:11:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; controls the channel, with gate-to-source voltage limited to ±20 V and threshold of 2.1 to 4.1 V at ID=250 µA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain (also connected to the mounting tab); 85 V VDSS, 140 A continuous at TC=25℃ and 490 A pulsed."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; carries up to 140 A continuous through the integral body diode, and RDS(on) is 4.5 mΩ typ (5.3 mΩ max) at VGS=10 V, ID=50 A."
      }
    ],
    "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 has no pin-number table. Pin numbers 1/2/3 are inferred from the page 1 package pictur",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2235,
        "at": "2026-10-27T01:10:56"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ba5be3f7d18a29b4d419720e236795d8.pdf",
        "pages": 9,
        "sha256": "f7476f8d38b9cbf4",
        "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": "rs85n140t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rs85n140t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
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        "sha256": "e6ff0c892f9dbfde2f9b2251ae0a74c18d85e09c77dd69fe53fc0d19570cd07c",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "REASUNOS",
      "Package": "TO-220",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f7476f8d38b9cbf460719eef6e56dac0a9ac4a15e6e9bc2ffbae4a8938947b33",
      "rows": [
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          "name": "Drain-to-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 85,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V,ID=250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-Source Leakage Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=80V,VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Forward Leakage",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VGS=20V ,VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Reverse Leakage",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VGS=-20V ,VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-to-Source On-Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 4.5,
          "max": 5.3,
          "conditions": "VGS=10V,ID=50A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": 4.1,
          "conditions": "VGS=VDS,ID=250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Source Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "Integral pn-diode in MOSFET",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Pulsed Current",
          "symbol": "ISM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 490,
          "conditions": "Integral pn-diode in MOSFET",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "IS=50A,VGS=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "Tc=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "TC=100℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 490,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 174,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Single Pulse Avalanche Energy",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "L = 0.5mH,VDD = 50V, RG = 25Ω, Tj = 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Soldering Temperature, Leads",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Leads at 0.063in(1.6mm) from Case for 10 seconds",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Soldering Temperature, Package Body",
          "symbol": "TPKG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Package Body for 10 seconds",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "Drain lead soldered to water cooled heatsink, PD adjusted for a peak junction temperature of +150℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 62,
          "conditions": "1 cubic foot chamber,free air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Delay Time",
          "symbol": "td(ON)",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "VDS=40V, RG=3Ω, VGS=10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "trise",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 38.7,
          "max": null,
          "conditions": "VDS=40V, RG=3Ω, VGS=10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-off Delay Time",
          "symbol": "td(OFF)",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 46,
          "max": null,
          "conditions": "VDS=40V, RG=3Ω, VGS=10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tfall",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 23,
          "max": null,
          "conditions": "VDS=40V, RG=3Ω, VGS=10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3090,
          "max": null,
          "conditions": "VGS=0V, VDS=40V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VGS=0V, VDS=40V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "VGS=0V, VDS=40V, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "VDS=50V, ID=40A, VGS=10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Charge",
          "symbol": "Qgs",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VDS=50V, ID=40A, VGS=10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Drain (Miller) Charge",
          "symbol": "Qgd",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VDS=50V, ID=40A, VGS=10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VGS=0V, IS=20A, di/dt=100A/µs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Charge",
          "symbol": "Qrr",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 565,
          "max": null,
          "conditions": "VGS=0V, IS=20A, di/dt=100A/µs",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rs85n140t"
  ],
  "discovery_pitch": "RS85N140T (REASUNOS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
  }
}