BSS138BK

{
  "slug": "bss138bk",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia MOSFETs, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bss138bk",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bss138bk.kicad_sym",
    "bss138bk.kicad_mod",
    "bss138bk.glb",
    "bss138bk.step",
    "bss138bk.lbr",
    "docs/hero.png",
    "docs/bss138bk-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BSS138BK",
    "manufacturer": "Nexperia",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BSS138BK.pdf",
    "parts": {
      "symbol": "bss138bk.kicad_sym",
      "footprint": "bss138bk.kicad_mod",
      "model_3d": "bss138bk-etched.glb",
      "model_3d_plain": "bss138bk.glb",
      "model_3d_step": "bss138bk-etched.step",
      "model_3d_step_plain": "bss138bk.step",
      "lbr": "bss138bk.lbr"
    },
    "distributor_links": {
      "lcsc": "C282529"
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate control terminal; gate-source voltage range -20 V to +20 V"
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "Source terminal of the N-channel MOSFET"
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal; maximum drain-source voltage 60 V, maximum drain current 360 mA at VGS = 10 V and Tamb = 25 °C"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 16,
        "cost_usd": 0.1149,
        "at": "2026-09-23T14:41:23"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BSS138BK.pdf",
        "pages": 16,
        "sha256": "7ee99c2ff94d07a9",
        "source_tier": "mfr"
      },
      "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": "bss138bk.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bss138bk-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9b32deace210f8833b9747788e3d71fc0891d8c58adc8d5dc30008644f135b45",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}