main
Ray Set visibility: public 2e4cda1 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "df5a5-6lfu",
  "title": "DF5A5.6LFU",
  "brief": "Leiditech ESD And Surge Protection (TVS/ESD), SOT-353. 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",
    "df5a5.6lfu",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DF5A5.6LFU",
    "manufacturer": "Leiditech",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590239517745065984",
    "parts": {
      "symbol": "df5a5-6lfu.kicad_sym",
      "footprint": "df5a5-6lfu.kicad_mod",
      "model_3d": "df5a5-6lfu-hero.glb",
      "model_3d_plain": "df5a5-6lfu-etched.glb",
      "model_3d_step": "df5a5-6lfu-etched.step",
      "model_3d_step_plain": "df5a5-6lfu.step",
      "lbr": "df5a5-6lfu.lbr"
    },
    "distributor_links": {
      "lcsc": "C5116445"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T16:27:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IO1",
        "type": "passive",
        "description": "Protected line 1 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground node of the diode array that the protection diodes of all four lines connect to."
      },
      {
        "number": "3",
        "name": "IO2",
        "type": "passive",
        "description": "Protected line 2 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA."
      },
      {
        "number": "4",
        "name": "IO3",
        "type": "passive",
        "description": "Protected line 3 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA."
      },
      {
        "number": "5",
        "name": "IO4",
        "type": "passive",
        "description": "Protected line 4 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA."
      }
    ],
    "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 datasheet pin-configuration drawing shows pins 1-5 and a common node on pin 2, but it gives no p",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1893,
        "at": "2026-10-17T16:25:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590239517745065984",
        "pages": 4,
        "sha256": "a22493077e0736a7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "df5a5-6lfu.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "df5a5-6lfu-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9649ac1cdb0f2f235788537c7e7d872d80d19c97b4cfc1e85a19ffb2e9764ec9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Leiditech",
      "Package": "SOT-353",
      "Category": "Circuit Protection",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a22493077e0736a7b5e1aa9d8c2ed6bd58a62b464f2bbd7c91b6ca421e9d32c3",
      "rows": [
        {
          "name": "Reverse Working Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 6.1,
          "typ": 6.7,
          "max": 7.2,
          "conditions": "IT = 1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VRWM = 5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "IPP = 1A (8 x 20 µs pulse)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 13.5,
          "max": 20,
          "conditions": "IPP = 6A (8 x 20 µs pulse)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "V = 0V, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power (8/20µs)",
          "symbol": "Ppp",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "8/20µs",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Air)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "Kv",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "IEC 61000-4-2 air discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Contact)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "Kv",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "IEC 61000-4-2 contact discharge",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "df5a5.6lfu"
  ],
  "discovery_pitch": "DF5A5.6LFU (Leiditech) 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",
    "df5a5-6lfu.kicad_sym",
    "df5a5-6lfu.kicad_mod",
    "df5a5-6lfu.glb",
    "df5a5-6lfu.step",
    "df5a5-6lfu.lbr",
    "docs/hero.png",
    "docs/df5a5-6lfu-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "df5a5-6lfu-hero.glb",
    "df5a5-6lfu-hero.overlay.json",
    "df5a5-6lfu-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}