main
Ray Set visibility: public 7dcffdf 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bss138bks",
  "title": "BSS138BKS",
  "brief": "ElecSuper MOSFETs, SOT-363. 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",
    "bss138bks",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BSS138BKS",
    "manufacturer": "ElecSuper",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608744867514368000",
    "parts": {
      "symbol": "bss138bks.kicad_sym",
      "footprint": "bss138bks.kicad_mod",
      "model_3d": "bss138bks-hero.glb",
      "model_3d_plain": "bss138bks-etched.glb",
      "model_3d_step": "bss138bks-etched.step",
      "model_3d_step_plain": "bss138bks.step",
      "lbr": "bss138bks.lbr"
    },
    "distributor_links": {
      "lcsc": "C5224290"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:34:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Source1",
        "type": "passive",
        "description": "Source terminal of MOSFET channel 1; the datasheet gives no separate limit for this pin, only the device-level ratings (BVDSS 60 V, ID 0.41 A continuous)."
      },
      {
        "number": "2",
        "name": "Gate1",
        "type": "input",
        "description": "Gate of MOSFET channel 1; gate-source voltage is limited to ±20 V per the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "Drain2",
        "type": "passive",
        "description": "Drain terminal of MOSFET channel 2; device drain-source voltage is rated 60 V (BVDSS) and continuous drain current 0.41 A."
      },
      {
        "number": "4",
        "name": "Source2",
        "type": "passive",
        "description": "Source terminal of MOSFET channel 2; the datasheet gives no separate limit for this pin, only the device-level ratings (BVDSS 60 V, ID 0.41 A continuous)."
      },
      {
        "number": "5",
        "name": "Gate2",
        "type": "input",
        "description": "Gate of MOSFET channel 2; gate-source voltage is limited to ±20 V per the absolute maximum ratings."
      },
      {
        "number": "6",
        "name": "Drain1",
        "type": "passive",
        "description": "Drain terminal of MOSFET channel 1; device drain-source voltage is rated 60 V (BVDSS) and continuous drain current 0.41 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet only covers SOT-363 (Table-2 pin configuration and Section 8 dimensions), so the pinou; Pin types are KiCad ERC classes assigned by me, not stated in the datasheet: gates set to input, dra; The datasheet gives no per-pin electrical limits for source or drain pins beyond the device-level ab"
        ],
        "pages_sent": 7,
        "cost_usd": 0.032,
        "at": "2026-10-17T23:31:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608744867514368000",
        "pages": 7,
        "sha256": "03cc87574909fb96",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "bss138bks.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bss138bks-etched.step",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "71e264038f08a739697ea833f1691291bee22c35af0ad81d74b8759221d56414",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ElecSuper",
      "Package": "SOT-363",
      "Category": "Transistors/Thyristors",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "03cc87574909fb96f6dcc1d65ccd48e5d5b88458d1f6e834b3781e96112e5c6a",
      "rows": [
        {
          "name": "Drain-Source Voltage",
          "symbol": "BVDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.41,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.64,
          "conditions": "Repetitive rating, pulse width limited by junction temperature, tp=10μs, Duty Cycle=1%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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          "max": 150,
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        {
          "name": "Lead Temperature",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=60V, VGS=0V, TJ=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VDS=40V, VGS=0V, TJ=125℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-source Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "uA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VDS=0V, VGS=±20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 1,
          "max": 1.5,
          "conditions": "VGS=VDS, ID=250uA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-source On-resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.5,
          "max": 2,
          "conditions": "VGS=10V, ID=0.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-source On-resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.6,
          "max": 2.5,
          "conditions": "VGS=4.5V, ID=0.2A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "CISS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 25,
          "max": 50,
          "conditions": "VGS=0V, f=1MHz, VDS=25V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "COSS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 9.7,
          "max": 22,
          "conditions": "VGS=0V, f=1MHz, VDS=25V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "CRSS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2.2,
          "max": 5,
          "conditions": "VGS=0V, f=1MHz, VDS=25V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Gate Charge",
          "symbol": "QG(TOT)",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 0.65,
          "max": 1,
          "conditions": "VGS=4.5V, VDS=25V, ID=0.25A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Delay Time",
          "symbol": "td(ON)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 2.3,
          "max": 5,
          "conditions": "VGS=10V, VDS=25V, ID=0.5A, RG=6Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 19.2,
          "max": 40,
          "conditions": "VGS=10V, VDS=25V, ID=0.5A, RG=6Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Delay Time",
          "symbol": "td(OFF)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 6.3,
          "max": 12,
          "conditions": "VGS=10V, VDS=25V, ID=0.5A, RG=6Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 23,
          "max": 50,
          "conditions": "VGS=10V, VDS=25V, ID=0.5A, RG=6Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.86,
          "max": 1.5,
          "conditions": "VGS=0V, IS=0.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (single operation)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "Single operation",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "BSS138BKS (ElecSuper) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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