MMBZ5231B-7-F

{
  "slug": "mmbz5231b-7-f",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Zener Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "mmbz5231b-7-f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbz5231b-7-f.kicad_sym",
    "mmbz5231b-7-f.kicad_mod",
    "mmbz5231b-7-f.glb",
    "mmbz5231b-7-f.step",
    "mmbz5231b-7-f.lbr",
    "docs/hero.png",
    "docs/mmbz5231b-7-f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbz5231b-7-f-hero.glb",
    "mmbz5231b-7-f-hero.overlay.json",
    "mmbz5231b-7-f-etched.glb"
  ],
  "component": {
    "mpn": "MMBZ5231B-7-F",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://www.diodes.com/assets/Datasheets/MMBZ5231B-7-F.pdf",
    "parts": {
      "symbol": "mmbz5231b-7-f.kicad_sym",
      "footprint": "mmbz5231b-7-f.kicad_mod",
      "model_3d": "mmbz5231b-7-f-hero.glb",
      "model_3d_plain": "mmbz5231b-7-f-etched.glb",
      "model_3d_step": "mmbz5231b-7-f-etched.step",
      "model_3d_step_plain": "mmbz5231b-7-f.step",
      "lbr": "mmbz5231b-7-f.lbr"
    },
    "distributor_links": {
      "lcsc": "C460895",
      "digikey": "MMBZ5231B-FDITR-ND",
      "mouser": "621-MMBZ5231B-F"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:15:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MMBZ5231B-FDITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-MMBZ5231B-F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Zener anode, connected to the diode at the bottom-left terminal of the SOT23 schematic."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Bottom-right terminal, shown with no internal connection in the device schematic."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Zener cathode, the single top terminal in the schematic; the 5.1V nominal VZ (4.85V to 5.36V at IZT = 20mA) is measured across it and the anode."
      }
    ],
    "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 datasheet schematic shows no pin numbers. The numbering (1 = bottom-left, 2 = bottom-right, 3 = ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2928,
        "at": "2026-10-23T09:15:13"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/MMBZ5231B-7-F.pdf",
        "pages": 7,
        "sha256": "be3510eb4019f5d5",
        "source_tier": "mfr"
      },
      "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": [
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        "file": "mmbz5231b-7-f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbz5231b-7-f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5602eac38a6c3f88cfc14833a18a14b3e8be2c6935015df8ce30542fb474dd8e",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}