ESD0502EQ

{
  "slug": "esd0502eq",
  "version": "0.1.0",
  "type": "component",
  "description": "Yangzhou Yangjie Elec Tech 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",
    "esd0502eq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esd0502eq.kicad_sym",
    "esd0502eq.kicad_mod",
    "esd0502eq.glb",
    "esd0502eq.step",
    "esd0502eq.lbr",
    "docs/hero.png",
    "docs/esd0502eq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esd0502eq-hero.glb",
    "esd0502eq-hero.overlay.json",
    "esd0502eq-etched.glb"
  ],
  "component": {
    "mpn": "ESD0502EQ",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603373540201164800",
    "parts": {
      "symbol": "esd0502eq.kicad_sym",
      "footprint": "esd0502eq.kicad_mod",
      "model_3d": "esd0502eq-hero.glb",
      "model_3d_plain": "esd0502eq-etched.glb",
      "model_3d_step": "esd0502eq-etched.step",
      "model_3d_step_plain": "esd0502eq.step",
      "lbr": "esd0502eq.lbr"
    },
    "distributor_links": {
      "lcsc": "C20600637"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:41:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O1",
        "type": "passive",
        "description": "Protected line 1 (diode cathode), 5V reverse stand-off (VRWM) with IEC61000-4-2 protection of ±30kV contact and ±30kV air, clamping to ground via the common pin."
      },
      {
        "number": "2",
        "name": "I/O2",
        "type": "passive",
        "description": "Protected line 2 (diode cathode), 5V reverse stand-off (VRWM) with IEC61000-4-2 protection of ±30kV contact and ±30kV air, clamping to ground via the common pin."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Common anode of both diodes, connected to ground as the reference for the two uni-directional protected lines (RDYN is specified I/O to Ground)."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing does not print pin numbers. The schematic shows one pin at the top joined to bot; The datasheet does not say which of the two bottom pins is line 1 and which is line 2. They are inte",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2012,
        "at": "2026-10-21T00:38:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603373540201164800",
        "pages": 5,
        "sha256": "ea095f2792771081",
        "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": "esd0502eq.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": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esd0502eq-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": "42d1a80c5dd760fb7a10f82d3ca45ece2d4871d739ed1f7931e69fc704fad1ca",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}