main
Ray Set visibility: public 8435a6c 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ws03d5-b",
  "title": "WS03D5-B",
  "brief": "Wayon ESD And Surge Protection (TVS/ESD), 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",
  "tags": [
    "component",
    "circuit protection",
    "ws03d5-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WS03D5-B",
    "manufacturer": "Wayon",
    "package": "SOD-523",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bd5f521b786ba4ee4a4337094ac0ece7.pdf",
    "parts": {
      "symbol": "ws03d5-b.kicad_sym",
      "footprint": "ws03d5-b.kicad_mod",
      "model_3d": "ws03d5-b-hero.glb",
      "model_3d_plain": "ws03d5-b-etched.glb",
      "model_3d_step": "ws03d5-b-etched.step",
      "model_3d_step_plain": "ws03d5-b.step",
      "lbr": "ws03d5-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C5357080"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T13:03:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One terminal of the single-line TVS that protects one I/O or power line, with a 3.3V working voltage and 360W peak pulse power (8/20µs); the datasheet does not state whether this pin is the anode or cathode."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "The other terminal of the single-line TVS that protects one I/O or power line, with a 3.3V working voltage and 360W peak pulse power (8/20µs); the datasheet does not state whether this pin is the anode or cathode."
      }
    ],
    "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-configuration figure (SOD-523 top view) and the outline drawing show only the pin numbers 1 ; The datasheet gives no per-pin electrical limits. The descriptions use only the device-level feature"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0232,
        "at": "2026-10-21T13:00:46"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bd5f521b786ba4ee4a4337094ac0ece7.pdf",
        "pages": 5,
        "sha256": "dbf5334723d2d24b",
        "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": "ws03d5-b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b525222377930c32abea58606bffba3aaf171cc66ac292b82d28a82d646d995d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ws03d5-b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "eab7eb909a11a643705db535fcc77b8c6ac920a25a61f6621cd16e6e73ef25aa",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Wayon",
      "Package": "SOD-523",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dbf5334723d2d24b8ff1db11789c944607f826e466c442a0ff77886a1c46063f",
      "rows": [
        {
          "name": "Operating Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 360,
          "conditions": "tp =8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "Ipp",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "tp =8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-Off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 6.5,
          "conditions": "IT=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "VRWM=3.3V,T=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 9,
          "max": 12,
          "conditions": "IPP=30A,tp=8/20μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance",
          "symbol": "Cj",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "VR = 0V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Resistance",
          "symbol": "RDYN",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.08,
          "max": null,
          "conditions": "TLP=0.2/100ns",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Clamping Voltage (4A TLP)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.4,
          "max": null,
          "conditions": "IPP = 4A, tp = 0.2/100ns(TLP)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Clamping Voltage (16A TLP)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 6.3,
          "max": null,
          "conditions": "IPP = 16A, tp = 0.2/100ns (TLP)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ws03d5-b"
  ],
  "discovery_pitch": "WS03D5-B (Wayon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ws03d5-b.kicad_sym",
    "ws03d5-b.kicad_mod",
    "ws03d5-b.glb",
    "ws03d5-b.step",
    "ws03d5-b.lbr",
    "docs/hero.png",
    "docs/ws03d5-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ws03d5-b-hero.glb",
    "ws03d5-b-hero.overlay.json",
    "ws03d5-b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}