main
Ray Set visibility: public 5917dab 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "wi0402ifr33kst-hf",
  "title": "WI0402IFR33KST-HF",
  "brief": "DDY Inductors (SMD), 0402. 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",
    "inductors, coils, chokes",
    "wi0402ifr33kst-hf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WI0402IFR33KST-HF",
    "manufacturer": "DDY",
    "package": "0402",
    "pin_count": 2,
    "category": "Inductors, Coils, Chokes",
    "subcategory": "Inductors (SMD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603062447909986304",
    "parts": {
      "symbol": "wi0402ifr33kst-hf.kicad_sym",
      "footprint": "wi0402ifr33kst-hf.kicad_mod",
      "model_3d": "wi0402ifr33kst-hf-hero.glb",
      "model_3d_plain": "wi0402ifr33kst-hf-etched.glb",
      "model_3d_step": "wi0402ifr33kst-hf-etched.step",
      "model_3d_step_plain": "wi0402ifr33kst-hf.step",
      "lbr": "wi0402ifr33kst-hf.lbr"
    },
    "distributor_links": {
      "lcsc": "C18221119"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T00:31:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of the wire-wound chip inductor (tin terminal); WI0402IFR33KST-HF is 330 nH ±10% at 7.9 MHz, Rdc 0.56 Ω max, Isat 350 mA max, SRF 820 MHz min."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of the wire-wound chip inductor (tin terminal); non-polarized, interchangeable with terminal 1, operating temperature -40℃ to +85℃."
      }
    ],
    "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 shows only two end terminals (land pattern E/D/E) and no pin numbers or names. The num",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1206,
        "at": "2026-10-22T00:31:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603062447909986304",
        "pages": 7,
        "sha256": "d1e80ea693aa6905",
        "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": "wi0402ifr33kst-hf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1,
          0.5,
          0.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8bf2ae2bbd9d8b716db21d8d7fb903fac5ba2696150c3ec2e35bcea17b208ff2",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wi0402ifr33kst-hf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1,
          0.5,
          0.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1ebe509ef79334388a3dc2cb38f927867dcc58c1a4c337ae7140a61564045300",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DDY",
      "Package": "0402",
      "Category": "Inductors, Coils, Chokes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d1e80ea693aa6905598a802fbbafde64d26515c24594e89b0bddf648cac40087",
      "rows": [
        {
          "name": "SRF (self-resonant frequency), minimum",
          "symbol": "SRF",
          "kind": "electrical",
          "unit": "MHz",
          "min": 820,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC resistance (Rdc), maximum",
          "symbol": "Rdc",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.56,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Saturation DC current (Isat), maximum",
          "symbol": "Isat",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Inductance drop approximately 30% of L0 at Isat",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Inductance tolerance (code K, ±10%)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Inductance (nominal, 0.33 µH as 330 nH)",
          "symbol": "L",
          "kind": "electrical",
          "unit": "nH",
          "min": null,
          "typ": 330,
          "max": null,
          "conditions": "Freq 7.9 MHz",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wi0402ifr33kst-hf"
  ],
  "discovery_pitch": "WI0402IFR33KST-HF (DDY) 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",
    "wi0402ifr33kst-hf.kicad_sym",
    "wi0402ifr33kst-hf.kicad_mod",
    "wi0402ifr33kst-hf.glb",
    "wi0402ifr33kst-hf.step",
    "wi0402ifr33kst-hf.lbr",
    "docs/hero.png",
    "docs/wi0402ifr33kst-hf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wi0402ifr33kst-hf-hero.glb",
    "wi0402ifr33kst-hf-hero.overlay.json",
    "wi0402ifr33kst-hf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}