main
Ray Set visibility: public 87af402 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "rsf45n50w",
  "title": "RSF45N50W",
  "brief": "REASUNOS MOSFETs, TO-247-3. 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": "RSF45N50W",
    "manufacturer": "REASUNOS",
    "package": "TO-247-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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      "model_3d_step_plain": "rsf45n50w.step",
      "lbr": "rsf45n50w.lbr"
    },
    "distributor_links": {
      "lcsc": "C22364763"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T13:36:38Z",
      "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 VGS limited to ±30 V absolute maximum and a threshold of 3 V min to 4 V max at ID=250µA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain, also connected to the mounting tab; rated for 500 V VDSS and 45 A continuous at TC=25℃ (180 A pulsed)."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; carries up to 45 A continuous through the MOSFET and its integral body diode."
      }
    ],
    "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 does not print pin numbers. The page 1 photo and symbol label the leads G, D, S in lef",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.21,
        "at": "2026-10-15T13:36:22"
      },
      "datasheet": {
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        "pages": 8,
        "sha256": "a36122bd603db6ef",
        "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"
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        "file": "rsf45n50w.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          15.9,
          5.03,
          41.1
        ],
        "zmin_mm": -15.83,
        "centre_offset_mm": 0.185,
        "footprint_binding": "identity",
        "sha256": "ec0db59b04bcea2e0db6f976bf3ab8644e761c8b0059239f77f4febd6dc9eff4",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rsf45n50w-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "REASUNOS",
      "Package": "TO-247-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a36122bd603db6ef1673ec7e81312681dfe9794a45dc2dc852041a6d20a497c6",
      "rows": [
        {
          "name": "Drain-to-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "Note*1 repetitive rating, pulse width limited by max junction temperature",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Single Pulse Avalanche Energy",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 2580,
          "conditions": "L = 10mH, VDD = 50V, RG = 25 Ω",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Temperature for Soldering 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 Temperature for Soldering 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 and TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 500,
          "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=500V, VGS=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Forward Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VGS=30V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Reverse Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VGS=-30V, VDS=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-to-Source On-Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.105,
          "max": 0.12,
          "conditions": "VGS=10V, ID=22.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 4,
          "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": 45,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Pulsed Current",
          "symbol": "ISM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "IS=22.5A, VGS=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 0.5,
          "max": null,
          "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": 40,
          "max": null,
          "conditions": "1 cubic foot chamber, free air",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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    "breadcrumbs",
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  "discovery_triggers": [
    "rsf45n50w"
  ],
  "discovery_pitch": "RSF45N50W (REASUNOS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
    "public": true
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}