main
Ray Set visibility: public 6e22e92 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bzt52c5v1sq",
  "title": "BZT52C5V1SQ",
  "brief": "JSMSEMI Zener Diodes, SOD-323. 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",
    "bzt52c5v1sq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BZT52C5V1SQ",
    "manufacturer": "JSMSEMI",
    "package": "SOD-323",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590197773242175488",
    "parts": {
      "symbol": "bzt52c5v1sq.kicad_sym",
      "footprint": "bzt52c5v1sq.kicad_mod",
      "model_3d": "bzt52c5v1sq-hero.glb",
      "model_3d_plain": "bzt52c5v1sq-etched.glb",
      "model_3d_step": "bzt52c5v1sq-etched.step",
      "model_3d_step_plain": "bzt52c5v1sq.step",
      "lbr": "bzt52c5v1sq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2857109"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T15:38:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the zener diode, which is the positive-voltage side in reverse-breakdown regulation; the BZT52C5V1SQ has VZ 4.85 V min, 5.10 V typ, 5.36 V max at IZT = 5 mA."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the zener diode, which is the reference side in reverse-breakdown regulation; the device is rated for 200 mW power dissipation at TA = 25°C."
      }
    ],
    "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 pin-to-number mapping is read from the page 1 diagram, which labels 1 Cathode and 2 Anode. The p",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.3263,
        "at": "2026-10-23T15:37:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590197773242175488",
        "pages": 4,
        "sha256": "e6292a43fa81410d",
        "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": "bzt52c5v1sq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          1.25,
          1.11
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cd8619b2119cd95683a2c5e660ab4f2d4db674f696cd6f9e9756f221171a214d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bzt52c5v1sq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          1.25,
          1.11
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d62c8a09b8ff55ed758a73d28a1bee098d1a8165de4187eabf513e852b9b3e99",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SOD-323",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e6292a43fa81410de23b8f1affa11d2d30e3f8b4b3f42281bd42755702d5fcca",
      "rows": [
        {
          "name": "Zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 4.85,
          "typ": 5.1,
          "max": 5.36,
          "conditions": "@ IZT 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of zener voltage",
          "symbol": "TC",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": -2.7,
          "typ": null,
          "max": 1.2,
          "conditions": "@ IZT 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "@ IZT 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 480,
          "conditions": "@ IZK 1.0 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "@ VR 2.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage tolerance (C-series)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "C-series, ±5% as printed in features",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (collector)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "@ TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "@ IF=10mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 337,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bzt52c5v1sq"
  ],
  "discovery_pitch": "BZT52C5V1SQ (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bzt52c5v1sq.kicad_sym",
    "bzt52c5v1sq.kicad_mod",
    "bzt52c5v1sq.glb",
    "bzt52c5v1sq.step",
    "bzt52c5v1sq.lbr",
    "docs/hero.png",
    "docs/bzt52c5v1sq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bzt52c5v1sq-hero.glb",
    "bzt52c5v1sq-hero.overlay.json",
    "bzt52c5v1sq-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}