main
Ray Set visibility: public 5cbdc05 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "brmmsz5228b",
  "title": "BRMMSZ5228B",
  "brief": "Foshan Blue Rocket Elec Zener Diodes, SOD-123. 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",
    "brmmsz5228b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BRMMSZ5228B",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911078017679360",
    "parts": {
      "symbol": "brmmsz5228b.kicad_sym",
      "footprint": "brmmsz5228b.kicad_mod",
      "model_3d": "brmmsz5228b-hero.glb",
      "model_3d_plain": "brmmsz5228b-etched.glb",
      "model_3d_step": "brmmsz5228b-etched.step",
      "model_3d_step_plain": "brmmsz5228b.step",
      "lbr": "brmmsz5228b.lbr"
    },
    "distributor_links": {
      "lcsc": "C358484"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:09:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the Zener diode, identified as PIN1 in the datasheet pinning (the datasheet gives no separate pin-level electrical limits)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the Zener diode, identified as PIN2 in the datasheet pinning (the datasheet gives no separate pin-level electrical limits)."
      }
    ],
    "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": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN BRMMSZ5228B does not appear in the datasheet. The document covers the MMSZ52XXB series, whic; The datasheet gives the pinning only as PIN1 Cathode and PIN2 Anode on page 1. It gives no per-pin e"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0307,
        "at": "2026-10-18T00:07:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911078017679360",
        "pages": 7,
        "sha256": "7de1eeb7011ccfd3",
        "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": "brmmsz5228b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "brmmsz5228b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5522e23ffd3ab6b5acdc3cbb3ad4c68c544671d8c36eaf89bfbb4e0f96624033",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Foshan Blue Rocket Elec",
      "Package": "SOD-123",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7de1eeb7011ccfd3049e08b00a962ccead2ce7a2ef8f05025d738ef3de7cab9f",
      "rows": [
        {
          "name": "Zener voltage",
          "symbol": "Vz",
          "kind": "electrical",
          "unit": "V",
          "min": 3.71,
          "typ": 3.9,
          "max": 4.1,
          "conditions": "@ IzT = 20 mA (Note 2)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Zener impedance",
          "symbol": "ZZt",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 23,
          "conditions": "@ IzT = 20 mA (Note 3: f = 1kHz)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Zener impedance (knee)",
          "symbol": "ZZk",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 1900,
          "conditions": "@ IZK = 0.25 mA (Note 3: f = 1kHz)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "@ VR = 1 V (Note 2)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "IF = 10 mA (Note 2)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Note 1: ceramic PCB, 25 mm2 pad areas",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Note 1: ceramic PCB, 25 mm2 pad areas",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and storage temperature range",
          "symbol": "Tj,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "brmmsz5228b"
  ],
  "discovery_pitch": "BRMMSZ5228B (Foshan Blue Rocket Elec) 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",
    "brmmsz5228b.kicad_sym",
    "brmmsz5228b.kicad_mod",
    "brmmsz5228b.glb",
    "brmmsz5228b.step",
    "brmmsz5228b.lbr",
    "docs/hero.png",
    "docs/brmmsz5228b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "brmmsz5228b-hero.glb",
    "brmmsz5228b-hero.overlay.json",
    "brmmsz5228b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}