main
Ray Set visibility: public a8debf2 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bzx84c20",
  "title": "BZX84C20",
  "brief": "Wild Goose Zener Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "bzx84c20",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BZX84C20",
    "manufacturer": "Wild Goose",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603378065137414144",
    "parts": {
      "symbol": "bzx84c20.kicad_sym",
      "footprint": "bzx84c20.kicad_mod",
      "model_3d": "bzx84c20-hero.glb",
      "model_3d_plain": "bzx84c20-etched.glb",
      "model_3d_step": "bzx84c20-etched.step",
      "model_3d_step_plain": "bzx84c20.step",
      "lbr": "bzx84c20.lbr"
    },
    "distributor_links": {
      "lcsc": "C20623321",
      "mouser": "637-BZX84C20"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:13:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "637-BZX84C20",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Zener diode anode, shown at pin 1 of the SOT-23 internal diagram; the datasheet gives VF 0.9 V at IF = 10 mA."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; pin 2 is drawn as an unconnected terminal in the SOT-23 diagram."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Zener diode cathode; BZX84C20 has nominal VZ of 20 V (18.8 V to 21.2 V) at IZT = 5 mA and 300 mW maximum power dissipation."
      }
    ],
    "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: Pin polarity is read from the small internal diagram on page 1 (triangle points from pin 1 toward th",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.2052,
        "at": "2026-10-18T01:11:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603378065137414144",
        "pages": 3,
        "sha256": "2ded0c3521581959",
        "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": "bzx84c20.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bzx84c20-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "344b9e45c7dee86fa8f35709710c44b83fec1a90e749e3b010010d8b465e466e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Wild Goose",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2ded0c352158195938bf7fb6e4e6d43fc6238241a72ec207175cab6581393c7e",
      "rows": [
        {
          "name": "Zener voltage (nominal) with min/max",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 18.8,
          "typ": 20,
          "max": 21.2,
          "conditions": "@ IZT=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "@ IZT=5mA, f=1kHz (Note 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener impedance at knee",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "@ IZK=1.0mA, f=1kHz (Note 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "@ VR=14.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of Zener voltage",
          "symbol": "θVZ",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": 14.4,
          "typ": null,
          "max": 18,
          "conditions": "@ IZT=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "@ IF = 10mA; pulsed, period=5ms, pulse width=300μs (Note 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Ta=25℃; Note 1: device terminals kept at ambient temperature",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 417,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bzx84c20"
  ],
  "discovery_pitch": "BZX84C20 (Wild Goose) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bzx84c20.kicad_sym",
    "bzx84c20.kicad_mod",
    "bzx84c20.glb",
    "bzx84c20.step",
    "bzx84c20.lbr",
    "docs/hero.png",
    "docs/bzx84c20-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bzx84c20-hero.glb",
    "bzx84c20-hero.overlay.json",
    "bzx84c20-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}