main
Ray Set visibility: public d26bdd3 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ssm3k347r",
  "title": "SSM3K347R",
  "brief": "TOSHIBA MOSFETs, SOT-23F. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "SSM3K347R",
    "manufacturer": "TOSHIBA",
    "package": "SOT-23F",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600778836993204224",
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      "lbr": "ssm3k347r.lbr"
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    "distributor_links": {
      "lcsc": "C6685627"
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    "distributor_check": {
      "checked_at": "2026-10-17T20:32:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Gate",
        "type": "input",
        "description": "Gate terminal of the N-channel MOSFET, driven at 4.0 V to 10 V for the stated RDS(ON) ratings; the datasheet states a built-in 47 kΩ pull-down resistance (Rpd) on this device."
      },
      {
        "number": "2",
        "name": "Source",
        "type": "passive",
        "description": "Source terminal of the N-channel MOSFET, serving as the reference for the gate-source voltage (VGSS rated ±20 V on the absolute maximum table)."
      },
      {
        "number": "3",
        "name": "Drain",
        "type": "passive",
        "description": "Drain terminal of the N-channel MOSFET, rated at a drain-source voltage VDS(DC) of 38 V on the absolute maximum table."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the SOT-23F pin assignment only as '1: Gate, 2: Source, 3: Drain' (page 1). Pin ; The absolute maximum ratings table (page 2) is garbled in the text extraction; the ±20 V VGSS and 38; The datasheet says the device has a built-in 47 kΩ pull-down resistance (Rpd) but does not explicitl"
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        "pages_sent": 9,
        "cost_usd": 0.0377,
        "at": "2026-10-17T20:29:57"
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        "sha256": "ce9146a3d6d307dc",
        "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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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
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        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "TOSHIBA",
      "Package": "SOT-23F",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ce9146a3d6d307dcbfaadf3eac0b519612ebff06b63f9f7fd635bfb1370e6d44",
      "rows": [
        {
          "name": "Drain-source clamp voltage",
          "symbol": "V(CL)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 38,
          "typ": 43,
          "max": 48,
          "conditions": "ID = 1 mA, VGS = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain cut-off current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VDS = 24 V, VGS = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate threshold voltage",
          "symbol": "Vth",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 2.4,
          "conditions": "VDS = 10 V, ID = 1 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 350,
          "max": 480,
          "conditions": "ID = 0.5 A, VGS = 4.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
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          "min": null,
          "typ": 340,
          "max": 410,
          "conditions": "ID = 1.0 A, VGS = 4.5 V",
          "source_page": 3,
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          "name": "Drain-source on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 280,
          "max": 340,
          "conditions": "ID = 1.0 A, VGS = 10 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Pull-down resistance",
          "symbol": "Rpd",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 32.9,
          "typ": 47,
          "max": 61.1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Diode forward voltage",
          "symbol": "VDSF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.87,
          "max": -1.2,
          "conditions": "ID = -2 A, VGS = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Drain-source voltage (DC)",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-source voltage",
          "symbol": "VGSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Single-pulse active clamp capability",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 2.2,
          "conditions": "VDD = 25 V, Tch = 25 °C (initial state)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Channel temperature",
          "symbol": "Tch",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Channel temperature must not exceed 150 °C (Note 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "SSM3K347R (TOSHIBA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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