BAS20W

{
  "schema_version": 1,
  "type": "component",
  "slug": "bas20w",
  "title": "BAS20W",
  "brief": "ST Semtech Switching Diodes, SOT-323. 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",
    "diodes",
    "bas20w",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BAS20W",
    "manufacturer": "ST Semtech",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Switching Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603160562017202176",
    "parts": {
      "symbol": "bas20w.kicad_sym",
      "footprint": "bas20w.kicad_mod",
      "model_3d": "bas20w-hero.glb",
      "model_3d_plain": "bas20w.glb",
      "model_3d_step": "bas20w-etched.step",
      "model_3d_step_plain": "bas20w.step",
      "lbr": "bas20w.lbr"
    },
    "distributor_links": {
      "lcsc": "C5264619"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T15:28:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the single diode (BAS19W/BAS20W/BAS21W share this pinout); BAS20W is rated for 200 V reverse voltage and 200 mA continuous forward current."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally on the single-diode BAS20W; no diode terminal is drawn at pin 2 in the package diagram."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the single diode; BAS20W reverse breakdown is 200 V minimum at IR = 100 µA."
      }
    ],
    "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 has no pin table and no anode/cathode labels. Anode on pin 1 and cathode on pin 3 are ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0918,
        "at": "2026-10-09T15:26:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603160562017202176",
        "pages": 4,
        "sha256": "63c87ed3a90e2cce",
        "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": "bas20w.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": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas20w-etched.step",
        "role": "eda",
        "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": "1108cbafb694b3dd4178d9d377a4ab55a7c62d244fd71e1f735143995851138c",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ST Semtech",
      "Package": "SOT-323",
      "Category": "Diodes",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bas20w"
  ],
  "discovery_pitch": "BAS20W (ST Semtech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bas20w.kicad_sym",
    "bas20w.kicad_mod",
    "bas20w.glb",
    "bas20w.step",
    "bas20w.lbr",
    "docs/hero.png",
    "docs/bas20w-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bas20w-hero.glb",
    "bas20w-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}