BS170

{
  "slug": "bs170",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi MOSFETs, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bs170",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bs170.kicad_sym",
    "bs170.kicad_mod",
    "bs170.glb",
    "bs170.step",
    "bs170.lbr",
    "docs/hero.png",
    "docs/bs170-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bs170-hero.glb",
    "bs170-hero.overlay.json"
  ],
  "component": {
    "mpn": "BS170",
    "manufacturer": "onsemi",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892425498865664",
    "parts": {
      "symbol": "bs170.kicad_sym",
      "footprint": "bs170.kicad_mod",
      "model_3d": "bs170-hero.glb",
      "model_3d_plain": "bs170.glb",
      "model_3d_step": "bs170-etched.step",
      "model_3d_step_plain": "bs170.step",
      "lbr": "bs170.lbr"
    },
    "distributor_links": {
      "lcsc": "C111691",
      "digikey": "BS170-ND",
      "mouser": "512-BS170"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T11:13:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BS170-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "512-BS170",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D",
        "type": "passive",
        "description": "Drain; rated for 60 V drain-source voltage (VDSS) and 500 mA continuous (1200 mA pulsed) drain current."
      },
      {
        "number": "2",
        "name": "G",
        "type": "input",
        "description": "Gate; voltage-controlled input rated for ±20 V gate-source voltage, with gate threshold of 0.8 V min to 3 V max at VDS = VGS, ID = 1 mA."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; the reference terminal for gate drive, with 60 V maximum drain-source voltage and 500 mA continuous current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not print pin numbers 1, 2, 3 on the TO-92 package. The pin array column for the ; The pin number and pin-to-name mapping for pin 1 (S) is inferred from the order of the pin array str; Multiple TO-92 packing variants are listed (BULK STRAIGHT, D26Z, D27Z, D74Z, D75Z) all with pin arra"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0599,
        "at": "2026-10-09T11:11:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892425498865664",
        "pages": 16,
        "sha256": "3011eb5e950a918e",
        "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": "bs170.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bs170-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": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "27b650c9f80718253b79418e1388d89cfb0e6410210e889d518d096aa2f44e56",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}