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Ray Set visibility: public 2638563 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "szmm5z8v2st1g",
  "title": "SZMM5Z8V2ST1G",
  "brief": "onsemi Zener Diodes, SOD-523. 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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    "mpn": "SZMM5Z8V2ST1G",
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    "package": "SOD-523",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/szmm5z8v2st1-d.pdf",
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      "lbr": "szmm5z8v2st1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C894570",
      "digikey": "488-SZMM5Z8V2ST1GTR-ND",
      "mouser": "863-SZMM5Z8V2ST1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:23:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-SZMM5Z8V2ST1GTR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "863-SZMM5Z8V2ST1G",
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    "pins": [
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        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode (polarity band) of the Zener diode; reverse Zener voltage VZ is 8.02 V min to 8.36 V max at IZT = 5.0 mA for the 8V2 device."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the Zener diode; forward voltage VF is 0.9 V max at IF = 10 mA."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: SZMM5Z8V2ST1G is not listed explicitly in the electrical table; it is the SZ-prefix (automotive) ver"
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        "pages_sent": 5,
        "cost_usd": 0.0558,
        "at": "2026-10-23T09:22:54"
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        "pages": 5,
        "sha256": "804c58262e46ae34",
        "source_tier": "mfr"
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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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b525222377930c32abea58606bffba3aaf171cc66ac292b82d28a82d646d995d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOD-523",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "LEAD FINISH: 100% Matte Sn (Tin) MOUNTING POSITION: Any",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "804c58262e46ae34e51b3ab598a22487b877df0424d36830dd0bb17c2b7f5c32"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "804c58262e46ae34e51b3ab598a22487b877df0424d36830dd0bb17c2b7f5c32",
      "rows": [
        {
          "name": "Zener Voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": 8.02,
          "typ": null,
          "max": 8.36,
          "conditions": "IZT = 5.0 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IZ = IZT",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance at knee",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "IZ = 1.0 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VR = 5.0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient of VZ",
          "symbol": "dVZ/dt",
          "kind": "temperature_coefficient",
          "unit": "mV/K",
          "min": 3.2,
          "typ": null,
          "max": 6.2,
          "conditions": "IZT1 = 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Capacitance",
          "symbol": "C",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 135,
          "conditions": "VR = 0, f = 1 MHz",
          "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",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Device Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "FR-4 board, TA = 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Derate above 25°C",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW/°C",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "FR-4 board, above 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "FR-4 board, 1 cm2 pad",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 2,
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      ]
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  "discovery_triggers": [
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  "discovery_pitch": "SZMM5Z8V2ST1G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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