B340B

{
  "slug": "b340b",
  "version": "0.1.0",
  "type": "component",
  "description": "FUXINSEMI Schottky Barrier Diodes (SBD), SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "b340b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "b340b.kicad_sym",
    "b340b.kicad_mod",
    "b340b.glb",
    "b340b.step",
    "b340b.lbr",
    "docs/hero.png",
    "docs/b340b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "b340b-hero.glb",
    "b340b-hero.overlay.json",
    "b340b-etched.glb"
  ],
  "component": {
    "mpn": "B340B",
    "manufacturer": "FUXINSEMI",
    "package": "SMB(DO-214AA)",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Schottky Barrier Diodes (SBD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bb0ce505092fe2665503b553700fe828.pdf",
    "parts": {
      "symbol": "b340b.kicad_sym",
      "footprint": "b340b.kicad_mod",
      "model_3d": "b340b-hero.glb",
      "model_3d_plain": "b340b-etched.glb",
      "model_3d_step": "b340b-etched.step",
      "model_3d_step_plain": "b340b.step",
      "lbr": "b340b.lbr"
    },
    "distributor_links": {
      "lcsc": "C6807781"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T10:57:43Z",
      "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, marked by the color band on the package; the datasheet gives no electrical limits for this pin alone, but the B340B rating is 40 V VRRM and 3.0 A average rectified output current."
      },
      {
        "number": "2",
        "name": "anode",
        "type": "passive",
        "description": "Anode terminal, opposite the cathode band; the datasheet gives no electrical limits for this pin alone, and the 3.0 A average output current and 40 V reverse voltage apply to the device as a whole."
      }
    ],
    "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: Pin types: the datasheet shows a two-terminal Schottky diode with pins labeled only cathode and anod; Pin 1 is cathode and pin 2 is anode, per the Pinning information table on page 3. The color band on ; The datasheet gives no separate limits per pin; the 40 V VRRM and 3.0 A IO values quoted in the pin ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1475,
        "at": "2026-10-21T10:51:50"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bb0ce505092fe2665503b553700fe828.pdf",
        "pages": 4,
        "sha256": "f84fb5ded74a65ee",
        "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": "b340b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "b340b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "973232e230e9412df0b85568eb682f4296c9335f600cc0d1b51f64789f21c182",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}