SZESD9B5.0ST5G

{
  "schema_version": 1,
  "type": "component",
  "slug": "szesd9b5-0st5g",
  "title": "SZESD9B5.0ST5G",
  "brief": "onsemi ESD Protection Devices, SOD-923. 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",
    "tvs-fuse-board level protection",
    "szesd9b5.0st5g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SZESD9B5.0ST5G",
    "manufacturer": "onsemi",
    "package": "SOD-923",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/szesd9b5.0st5-d.pdf",
    "parts": {
      "symbol": "szesd9b5-0st5g.kicad_sym",
      "footprint": "szesd9b5-0st5g.kicad_mod",
      "model_3d": "szesd9b5-0st5g-hero.glb",
      "model_3d_plain": "szesd9b5-0st5g-etched.glb",
      "model_3d_step": "szesd9b5-0st5g-etched.step",
      "model_3d_step_plain": "szesd9b5-0st5g.step",
      "lbr": "szesd9b5-0st5g.lbr"
    },
    "distributor_links": {
      "lcsc": "C328101"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:42:10Z",
      "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 (polarity band) of the unidirectional ESD protection diode, connected to the protected line; working peak reverse voltage VRWM is 5.0 V with max leakage 100 nA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode of the ESD protection diode, connected to ground/return; device is rated for IEC 61000-4-2 ±18 kV contact and air discharge."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing shows STYLE 1 (pin 1 cathode with polarity band, pin 2 anode) and STYLE 2 (no po; Pin types are set to passive because the datasheet gives no electrical pin-type classification for t"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0607,
        "at": "2026-10-22T21:41:59"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/szesd9b5.0st5-d.pdf",
        "pages": 5,
        "sha256": "fc5b09f60a23e393",
        "source_tier": "mfr"
      },
      "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": "szesd9b5-0st5g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1,
          0.6,
          0.37
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2ab2eb57942276dc90db0148894bc98e40b6ed97c8a35c3c24e1f40fc146235f",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "szesd9b5-0st5g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1,
          0.6,
          0.37
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "845c5a7f9d92bb237e6a759f366912682b94931c61fcfb82458a5044f505bc9e",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOD-923",
      "Category": "TVS/Fuse/Board Level Protection",
      "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": "fc5b09f60a23e393312519da22f376f5c78c0a98742146029bd76f486b6b1e8e"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fc5b09f60a23e393312519da22f376f5c78c0a98742146029bd76f486b6b1e8e",
      "rows": [
        {
          "name": "Working Peak Reverse Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "@ VRWM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 5.8,
          "typ": null,
          "max": 7.8,
          "conditions": "@ IT = 1.0 mA, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12.5,
          "conditions": "8 x 20 µs, IPP = 1 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "8 x 20 µs, IPP = 2 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "IEC 61000-4-2 ESD Contact",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "IEC 61000-4-2 ESD Air",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "IEC 61000-4-4 EFT",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation on FR-5 Board",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "TA = 25°C, FR-5 = 1.0 x 0.75 x 0.62 in.",
          "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"
        },
        {
          "name": "Lead Solder Temperature - Maximum",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 Second Duration",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "FR-5 board",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Capacitance",
          "symbol": "C",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VR = 0 V, f = 1.0 MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "szesd9b5.0st5g"
  ],
  "discovery_pitch": "SZESD9B5.0ST5G (onsemi) 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",
    "szesd9b5-0st5g.kicad_sym",
    "szesd9b5-0st5g.kicad_mod",
    "szesd9b5-0st5g.glb",
    "szesd9b5-0st5g.step",
    "szesd9b5-0st5g.lbr",
    "docs/hero.png",
    "docs/szesd9b5-0st5g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "szesd9b5-0st5g-hero.glb",
    "szesd9b5-0st5g-hero.overlay.json",
    "szesd9b5-0st5g-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}