B540C

{
  "slug": "b540c",
  "version": "0.1.0",
  "type": "component",
  "description": "FUXINSEMI Schottky Barrier Diodes (SBD), SMC(DO-214AB). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "b540c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "b540c.kicad_sym",
    "b540c.kicad_mod",
    "b540c.glb",
    "b540c.step",
    "b540c.lbr",
    "docs/hero.png",
    "docs/b540c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "b540c-hero.glb",
    "b540c-hero.overlay.json",
    "b540c-etched.glb"
  ],
  "component": {
    "mpn": "B540C",
    "manufacturer": "FUXINSEMI",
    "package": "SMC(DO-214AB)",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Schottky Barrier Diodes (SBD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/955aafe5baf8a1abab0ad2f0571e079e.pdf",
    "parts": {
      "symbol": "b540c.kicad_sym",
      "footprint": "b540c.kicad_mod",
      "model_3d": "b540c-hero.glb",
      "model_3d_plain": "b540c-etched.glb",
      "model_3d_step": "b540c-etched.step",
      "model_3d_step_plain": "b540c.step",
      "lbr": "b540c.lbr"
    },
    "distributor_links": {
      "lcsc": "C6807783"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T04:42:32Z",
      "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 of the B540C Schottky rectifier, marked by the color band on the package; the datasheet's B540C column rates it at 40 V VRRM and 5.0 A average forward current (I(AV))."
      },
      {
        "number": "2",
        "name": "anode",
        "type": "passive",
        "description": "Anode of the B540C Schottky rectifier; the datasheet's B540C column gives a maximum instantaneous forward voltage of 0.55 V at 5.0 A and a maximum DC reverse current of 0.1 mA at 25°C."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the B520C–B5200C family in one SMC (DO-214AB) package. The B540C marking code a",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1472,
        "at": "2026-10-21T04:37:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/955aafe5baf8a1abab0ad2f0571e079e.pdf",
        "pages": 4,
        "sha256": "3fa247bf6dc44442",
        "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": "b540c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          5.9,
          2.31
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "30dab4c2e22239b7e3694a4d45304e04255c6b70a79d28e9c34c6072ba647991",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "b540c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          5.9,
          2.31
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b64b173d5c42195975c5ab292a70dcabe22740810bef952369f2beac0aab6cc3",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}