BZX84B24

{
  "slug": "bzx84b24",
  "version": "0.1.0",
  "type": "component",
  "description": "Yangzhou Yangjie Elec Tech Zener Diodes, SOT-23(TO-236). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "bzx84b24",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bzx84b24.kicad_sym",
    "bzx84b24.kicad_mod",
    "bzx84b24.glb",
    "bzx84b24.step",
    "bzx84b24.lbr",
    "docs/hero.png",
    "docs/bzx84b24-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bzx84b24-hero.glb",
    "bzx84b24-hero.overlay.json",
    "bzx84b24-etched.glb"
  ],
  "component": {
    "mpn": "BZX84B24",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-23(TO-236)",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/43af1b66db1fd27643e5b015b46c6741.pdf",
    "parts": {
      "symbol": "bzx84b24.kicad_sym",
      "footprint": "bzx84b24.kicad_mod",
      "model_3d": "bzx84b24-hero.glb",
      "model_3d_plain": "bzx84b24-etched.glb",
      "model_3d_step": "bzx84b24-etched.step",
      "model_3d_step_plain": "bzx84b24.step",
      "lbr": "bzx84b24.lbr"
    },
    "distributor_links": {
      "lcsc": "C51315238",
      "digikey": "4878-BZX84B24CT-ND",
      "mouser": "637-BZX84B24"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:24:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-BZX84B24CT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-BZX84B24",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the 24V Zener (Vz 23.52V min to 24.5V max at Izt=5mA), connected to the diode's anode in the pin 1 symbol; marking code Y9."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection shown in the SOT-23 symbol; pin 2 is not wired to the diode."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the Zener diode, which is positive in reverse breakdown; power dissipation is limited to 350mW and forward voltage is 0.9V max at IF=10mA."
      }
    ],
    "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 gives no pin names or table. Names A, K and NC are inferred from the page 1 symbol, wh",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2199,
        "at": "2026-10-23T09:24:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/43af1b66db1fd27643e5b015b46c6741.pdf",
        "pages": 5,
        "sha256": "81a9a86e22a71f29",
        "source_tier": "lcsc"
      },
      "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": [
      {
        "file": "bzx84b24.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          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": "bzx84b24-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2f7c93c4aa643b3671f3de66b5ebdcc416e3f12ab39fb6250683487b108fcd07",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}