B5818W

{
  "slug": "b5818w",
  "version": "0.1.0",
  "type": "component",
  "description": "hongjiacheng Schottky Diodes, SOD-123. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "b5818w",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "b5818w.kicad_sym",
    "b5818w.kicad_mod",
    "b5818w.glb",
    "b5818w.step",
    "b5818w.lbr",
    "docs/hero.png",
    "docs/b5818w-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "b5818w-hero.glb",
    "b5818w-hero.overlay.json",
    "b5818w-etched.glb"
  ],
  "component": {
    "mpn": "B5818W",
    "manufacturer": "hongjiacheng",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0419ded19966e870bf130da585e8eaae.pdf",
    "parts": {
      "symbol": "b5818w.kicad_sym",
      "footprint": "b5818w.kicad_mod",
      "model_3d": "b5818w-hero.glb",
      "model_3d_plain": "b5818w-etched.glb",
      "model_3d_step": "b5818w-etched.step",
      "model_3d_step_plain": "b5818w.step",
      "lbr": "b5818w.lbr"
    },
    "distributor_links": {
      "lcsc": "C22466365"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T12:57:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0008,
        "at": "2026-11-04T12:57:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0419ded19966e870bf130da585e8eaae.pdf",
        "pages": 3,
        "sha256": "fffa38bc81b3058b",
        "source_tier": "lcsc"
      },
      "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": "b5818w.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "b5818w-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b21867298389f91b3312792390ca9076a744f0284eb0e891626b2a27e316ed4c",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOD-123",
      "source_page": 3,
      "D": {
        "nom_mm": 2.7,
        "range_mm": [
          2.55,
          2.85
        ]
      },
      "E1": {
        "nom_mm": 1.6,
        "range_mm": [
          1.4,
          1.8
        ]
      },
      "E": {
        "nom_mm": 3.7,
        "range_mm": [
          3.55,
          3.85
        ]
      },
      "A": {
        "nom_mm": 1.15,
        "range_mm": [
          0.95,
          1.35
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "b5818w.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}