BAS21A_R1_00001

{
  "slug": "bas21a-r1-00001",
  "version": "0.1.0",
  "type": "component",
  "description": "PANJIT International Switching Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "bas21a_r1_00001",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bas21a-r1-00001.kicad_sym",
    "bas21a-r1-00001.kicad_mod",
    "bas21a-r1-00001.glb",
    "bas21a-r1-00001.step",
    "bas21a-r1-00001.lbr",
    "docs/hero.png",
    "docs/bas21a-r1-00001-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bas21a-r1-00001-hero.glb",
    "bas21a-r1-00001-hero.overlay.json",
    "bas21a-r1-00001-etched.glb"
  ],
  "component": {
    "mpn": "BAS21A_R1_00001",
    "manufacturer": "PANJIT International",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Switching Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884453816590336",
    "parts": {
      "symbol": "bas21a-r1-00001.kicad_sym",
      "footprint": "bas21a-r1-00001.kicad_mod",
      "model_3d": "bas21a-r1-00001-hero.glb",
      "model_3d_plain": "bas21a-r1-00001-etched.glb",
      "model_3d_step": "bas21a-r1-00001-etched.step",
      "model_3d_step_plain": "bas21a-r1-00001.step",
      "lbr": "bas21a-r1-00001.lbr"
    },
    "distributor_links": {
      "lcsc": "C268444"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:06:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K1",
        "type": "passive",
        "description": "Cathode of the first diode in the BAS21A common-anode dual (250 V max reverse voltage, 0.2 A average rectified current)."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of the second diode in the BAS21A common-anode dual (250 V max reverse voltage, 0.2 A average rectified current)."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Common anode of both diodes, shown as the single terminal on the opposite side of the package from the two cathodes."
      }
    ],
    "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 BAS21A common-anode drawing on page 1 shows one terminal on one side (common anode) and two cath; The datasheet gives no pin names, so K1, K2 and A are labels I chose from the schematic symbol.; The part is sold as BAS21A_R1_00001, which the ordering code on page 4 reads as BAS21A in a 7 inch t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2248,
        "at": "2026-10-17T15:05:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884453816590336",
        "pages": 5,
        "sha256": "f02cd511da461f80",
        "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": "bas21a-r1-00001.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas21a-r1-00001-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": "e36605b7d3f8a3d7531a25fe7e27181dbd12ded90af53a3275484e91cf48a4f3",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}