BZV55C18 L1G

{
  "slug": "bzv55c18-l1g",
  "version": "0.1.1",
  "type": "component",
  "description": "Taiwan Semiconductor(Taiwan Semicon) Zener Diodes, MiniMELF. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "bzv55c18 l1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bzv55c18-l1g.kicad_sym",
    "bzv55c18-l1g.kicad_mod",
    "bzv55c18-l1g.glb",
    "bzv55c18-l1g.step",
    "bzv55c18-l1g.lbr",
    "docs/hero.png",
    "docs/bzv55c18-l1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bzv55c18-l1g-hero.glb",
    "bzv55c18-l1g-hero.overlay.json"
  ],
  "component": {
    "mpn": "BZV55C18 L1G",
    "manufacturer": "Taiwan Semiconductor(Taiwan Semicon)",
    "package": "MiniMELF",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b1299085027d34ef4ffc3c964c2aa44a.pdf",
    "parts": {
      "symbol": "bzv55c18-l1g.kicad_sym",
      "footprint": "bzv55c18-l1g.kicad_mod",
      "model_3d": "bzv55c18-l1g-hero.glb",
      "model_3d_step": "bzv55c18-l1g.step",
      "lbr": "bzv55c18-l1g.lbr",
      "model_3d_plain": "bzv55c18-l1g.glb"
    },
    "distributor_links": {
      "lcsc": "C410854",
      "mouser": "821-BZV55C18L1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T19:36:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "821-BZV55C18L1G",
        "status": "found",
        "lifecycle": "Part Number Change"
      }
    },
    "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": 6,
        "cost_usd": 0.0012,
        "at": "2026-10-30T19:36:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b1299085027d34ef4ffc3c964c2aa44a.pdf",
        "pages": 6,
        "sha256": "e108fdeec0e282cf",
        "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": "bzv55c18-l1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.6,
          1.4,
          1.4
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bab3a3356a14efb0438caca9adf53472dea34425715606e933f092f87f73f650",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "Mini-MELF",
      "source_page": 5,
      "D": {
        "nom_mm": 3.5,
        "range_mm": [
          3.3,
          3.7
        ]
      },
      "E1": {
        "nom_mm": 1.5,
        "range_mm": [
          1.4,
          1.6
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "bzv55c18-l1g.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}