BAS21J

{
  "slug": "bas21j",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Global Sourcing Parts, SOD-323F. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "global sourcing parts",
    "bas21j",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bas21j.kicad_sym",
    "bas21j.kicad_mod",
    "bas21j.glb",
    "bas21j.step",
    "bas21j.lbr",
    "docs/hero.png",
    "docs/bas21j-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bas21j-hero.glb",
    "bas21j-hero.overlay.json",
    "bas21j-etched.glb"
  ],
  "component": {
    "mpn": "BAS21J",
    "manufacturer": "Nexperia",
    "package": "SOD-323F",
    "pin_count": 2,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/BAS21J.pdf",
    "parts": {
      "symbol": "bas21j.kicad_sym",
      "footprint": "bas21j.kicad_mod",
      "model_3d": "bas21j-hero.glb",
      "model_3d_plain": "bas21j-etched.glb",
      "model_3d_step": "bas21j-etched.step",
      "model_3d_step_plain": "bas21j.step",
      "lbr": "bas21j.lbr"
    },
    "distributor_links": {
      "lcsc": "C110231"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T01:37:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "cathode",
        "type": "passive",
        "description": "Cathode terminal, indicated by the marking bar; the cathode tab soldering point is the reference for the junction-to-solder-point thermal resistance Rth(j-sp) of 55 K/W."
      },
      {
        "number": "2",
        "name": "anode",
        "type": "passive",
        "description": "Anode terminal of the single high-speed switching diode; the datasheet gives no pin-specific limit, and the limiting values (VR 300 V, IF 250 mA) apply to the device."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.0004,
        "at": "2026-10-26T01:37:04"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/BAS21J.pdf",
        "pages": 10,
        "sha256": "7aad49d2c3d1d9ef",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bas21j.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          1.25,
          0.73
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be5930ed2efe5eca953bd400465c68e8d6fe18bbed65f5a40cb96114f48e8ca0",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas21j-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          1.25,
          0.73
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6541dce7e2e1ca85f93ee24799c6411f9e695370ab563751f3c6d816de7d9b80",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}