main
Ray Set visibility: public 7f4dd75 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "s-lmsz5248bt1g",
  "title": "S-LMSZ5248BT1G",
  "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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    "extractor-text"
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  "component": {
    "mpn": "S-LMSZ5248BT1G",
    "manufacturer": "LRC",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838244004466688",
    "parts": {
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      "footprint": "s-lmsz5248bt1g.kicad_mod",
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      "lbr": "s-lmsz5248bt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C5200149"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:49:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode, identified by the polarity band on the package, is pin 1 of the SOD-123 Zener regulator (STYLE 1 package outline)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode is pin 2 of the SOD-123 package and the opposite terminal from the cathode (STYLE 1 package outline)."
      }
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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 MPN S-LMSZ5248BT1G is the automotive (S-prefix, AEC-Q101) variant of LMSZ5248BT1G, which is list; Pin types are not stated in the datasheet. Cathode and Anode are typed as passive (KiCad ERC class f"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0405,
        "at": "2026-10-17T17:47:09"
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        "pages": 7,
        "sha256": "013a5de03b376a43",
        "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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    "viewers": {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "2fb7e1caa0aebc555594e5751447f1f4c874ae8f74418f600ff42206b0c7cbb1",
        "checked": "2026-10-17",
        "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": "013a5de03b376a4369a3d041aece6a71c96504a945b56a8c66afd691b3e83dd7",
      "rows": [
        {
          "name": "Reverse Zener Voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 17.1,
          "typ": 18,
          "max": 18.9,
          "conditions": "@ IZT = 7.0 mA; TA = 25°C unless otherwise noted; nominal measured at TL = 30°C ±1°C (Notes 3, 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zener voltage tolerance (standard, on nominal Zener voltage)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Standard tolerance on nominal Zener voltage (Note 3); B suffix",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 21,
          "conditions": "@ IZT = 7.0 mA; AC = 0.1 IZ(dc) at 1 kHz (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "@ IZK = 0.25 mA; AC = 0.1 IZ(dc) at 1 kHz (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "@ VR = 14 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "@ IF = 10 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation on FR-5 Board",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "(Note 1) @ TL = 75°C; FR-5 = 3.5 X 1.5 inches",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derating above 75°C",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 6.7,
          "conditions": "Derated above TL = 75°C (PD on FR-5 board)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 340,
          "conditions": "(Note 2) infrared scan method",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Lead",
          "symbol": "RJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "(Note 2) infrared scan method",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "S-LMSZ5248BT1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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