main
Ray Set visibility: public e883cc7 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "s-lbzt52c43t1g",
  "title": "S-LBZT52C43T1G",
  "brief": "LRC 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",
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    "package": "SOD-123",
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    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921458560819200",
    "parts": {
      "symbol": "s-lbzt52c43t1g.kicad_sym",
      "footprint": "s-lbzt52c43t1g.kicad_mod",
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      "lbr": "s-lbzt52c43t1g.lbr"
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    "distributor_links": {
      "lcsc": "C22381731"
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      "checked_at": "2026-10-18T07:17:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode terminal of the zener diode, shown as pin 1 in the datasheet marking diagram (Cathode/Anode, pins 1 and 2)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode terminal of the zener diode, shown as pin 2 in the datasheet marking diagram (Cathode/Anode, pins 1 and 2)."
      }
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    "provenance": {
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      "factory_chain": {
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        "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 datasheet gives only the cathode/anode labels in its marking diagram and does not classify pin e; The datasheet names the package as SOD123 (the hint says SOD-123) and lists this part in SOD123 with"
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        "pages_sent": 3,
        "cost_usd": 0.0219,
        "at": "2026-10-18T07:14:55"
      },
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        "pages": 3,
        "sha256": "d1b3d90fa37819b9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
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        "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)"
      },
      {
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        "sha256": "61ccf6548e3a537fac6c8c5721198ae2bc01ad88be21d733c0282243ca81f671",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOD-123",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d1b3d90fa37819b96d8a6948bf0519ee3083786d180cd22d503a427ba81ffd92",
      "rows": [
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          "name": "Zener Voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": 43,
          "max": 46,
          "conditions": "IZT=2mA",
          "source_page": 1,
          "source": "datasheet"
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          "name": "Maximum Temperature Coefficient of VZ",
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          "kind": "temperature_coefficient",
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          "typ": null,
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          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "IZT=2mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Rising Operating Resistance",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "IZK=1mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VR=32V",
          "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": "Total Power Dissipation on FR-5 Board",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Note 1 (device mounted on ceramic PCB 7.6mm×9.4mm×0.87mm, pad areas 25mm²)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
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          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 305,
          "conditions": "Note 1 (device mounted on ceramic PCB)",
          "source_page": 1,
          "source": "datasheet"
        }
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  "discovery_triggers": [
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  "discovery_pitch": "S-LBZT52C43T1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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