GSOT03C-E3-08

{
  "slug": "gsot03c-e3-08",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "gsot03c-e3-08",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gsot03c-e3-08.kicad_sym",
    "gsot03c-e3-08.kicad_mod",
    "gsot03c-e3-08.glb",
    "gsot03c-e3-08.step",
    "gsot03c-e3-08.lbr",
    "docs/hero.png",
    "docs/gsot03c-e3-08-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gsot03c-e3-08-hero.glb",
    "gsot03c-e3-08-hero.overlay.json"
  ],
  "component": {
    "mpn": "GSOT03C-E3-08",
    "manufacturer": "UMW",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755879861296467968",
    "parts": {
      "symbol": "gsot03c-e3-08.kicad_sym",
      "footprint": "gsot03c-e3-08.kicad_mod",
      "model_3d": "gsot03c-e3-08-hero.glb",
      "model_3d_plain": "gsot03c-e3-08.glb",
      "model_3d_step": "gsot03c-e3-08-etched.step",
      "model_3d_step_plain": "gsot03c-e3-08.step",
      "lbr": "gsot03c-e3-08.lbr"
    },
    "distributor_links": {
      "lcsc": "C7588058",
      "digikey": "GSOT03C-E3-08TR-ND",
      "mouser": "78-GSOT03C-E3-08"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T04:41:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "GSOT03C-E3-08TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "78-GSOT03C-E3-08",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Protected signal/data line L1 in BiAs mode, clamped to pin 3 with a maximum reverse working voltage VRWM of 3.3 V for GSOT03C and rated for ESD immunity of ±30 kV contact and air discharge per IEC 61000-4-2."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second protected signal/data line L2 in BiAs mode, clamped to pin 3 with VRWM of 3.3 V for GSOT03C; in BiSy single-line mode it is tied to ground instead, and in that mode the pin 1 to pin 2 path has VRWM of 3.8 V."
      },
      {
        "number": "3",
        "name": "3",
        "type": "power_in",
        "description": "Ground reference pin connected to system ground in BiAs two-line mode, with the protection diodes from pins 1 and 2 returning to it; it must be left unconnected in BiSy single-line mode."
      }
    ],
    "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 datasheet's 'Pinning information' section (page 1) shows only the SOT-23 outline with pin number; Pin 2 changes role by application mode: it is a signal line in BiAs mode but is connected to ground ; The SOT-23 top-view drawing is not legible in the extracted text, so the physical position of pins 1"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0752,
        "at": "2026-10-09T04:39:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755879861296467968",
        "pages": 21,
        "sha256": "0b440e1da93472e0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gsot03c-e3-08.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gsot03c-e3-08-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "123bbe39253be5a6231b9f3f043fba7bb286e716b1eee426ac9f0c73511c3a0d",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}