ESD9B3.3ST5G-ES

{
  "slug": "esd9b3-3st5g-es",
  "version": "0.1.0",
  "type": "component",
  "description": "ElecSuper ESD Protection Devices, SOD-923. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "esd9b3.3st5g-es",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esd9b3-3st5g-es.kicad_sym",
    "esd9b3-3st5g-es.kicad_mod",
    "esd9b3-3st5g-es.glb",
    "esd9b3-3st5g-es.step",
    "esd9b3-3st5g-es.lbr",
    "docs/hero.png",
    "docs/esd9b3-3st5g-es-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esd9b3-3st5g-es-hero.glb",
    "esd9b3-3st5g-es-hero.overlay.json",
    "esd9b3-3st5g-es-etched.glb"
  ],
  "component": {
    "mpn": "ESD9B3.3ST5G-ES",
    "manufacturer": "ElecSuper",
    "package": "SOD-923",
    "pin_count": 2,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "ESD Protection Devices",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/be44806fc749ca906fd4cb1ec03a97ee.pdf",
    "parts": {
      "symbol": "esd9b3-3st5g-es.kicad_sym",
      "footprint": "esd9b3-3st5g-es.kicad_mod",
      "model_3d": "esd9b3-3st5g-es-hero.glb",
      "model_3d_plain": "esd9b3-3st5g-es-etched.glb",
      "model_3d_step": "esd9b3-3st5g-es-etched.step",
      "model_3d_step_plain": "esd9b3-3st5g-es.step",
      "lbr": "esd9b3-3st5g-es.lbr"
    },
    "distributor_links": {
      "lcsc": "C5180230"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T05:01:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IO1",
        "type": "bidirectional",
        "description": "Connects to the protected I/O line; the device is a bi-directional ESD protector with 3.3 V peak reverse working voltage (VRWM) and IEC 61000-4-2 Level 4 protection of ±25 kV contact and ±25 kV air discharge."
      },
      {
        "number": "2",
        "name": "IO2",
        "type": "bidirectional",
        "description": "Connects to the protected I/O line; the device is a bi-directional ESD protector with 3.3 V peak reverse working voltage (VRWM) and IEC 61000-4-2 Level 4 protection of ±25 kV contact and ±25 kV air discharge."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 pin table text is garbled in extraction (the outline and circuit diagram are images), so the pin; The features section says 'Protecting one bi-directional lines' but the pin table lists two I/O pins; The datasheet's pin table gives only a short function ('Connect to IO') for each pin, so the pin des"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0187,
        "at": "2026-10-21T04:56:58"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/be44806fc749ca906fd4cb1ec03a97ee.pdf",
        "pages": 6,
        "sha256": "9816a8719a7c1e8b",
        "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": "esd9b3-3st5g-es.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.6,
          0.37
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2ab2eb57942276dc90db0148894bc98e40b6ed97c8a35c3c24e1f40fc146235f",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esd9b3-3st5g-es-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.6,
          0.37
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "60afd7790dd522e126d200e9f4b1b7a40a4dbb2c8b0943055f14c3de427805f4",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}