ETA3418S2F

{
  "schema_version": 1,
  "type": "component",
  "slug": "eta3418s2f",
  "title": "ETA3418S2F",
  "brief": "etasolution DC-DC Converters, SOT-23-5. 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",
    "power management (pmic)",
    "eta3418s2f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ETA3418S2F",
    "manufacturer": "etasolution",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903504875696128",
    "parts": {
      "symbol": "eta3418s2f.kicad_sym",
      "footprint": "eta3418s2f.kicad_mod",
      "model_3d": "eta3418s2f-hero.glb",
      "model_3d_plain": "eta3418s2f.glb",
      "model_3d_step": "eta3418s2f-etched.step",
      "model_3d_step_plain": "eta3418s2f.step",
      "lbr": "eta3418s2f.lbr"
    },
    "distributor_links": {
      "lcsc": "C7435411"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T11:02:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable pin for the IC: drive high to enable and low to disable, with EN rising threshold 1.2V and falling threshold 0.4V, and the pin defaults low when floating."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator; connect it to a large copper area to cool the chip and improve thermal performance."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection: connect an inductor between SW and the regulator output, with the high-side current limit specified at 3A."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input with a 2.6V to 7V input range, to be bypassed with a 10µF ceramic capacitor to GND, and with UVLO rising at 2.35V typical."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: an external resistor divider from the output to FB and GND sets the output between 0.6V and VIN, with the FB threshold at 0.6V (0.588V to 0.612V)."
      }
    ],
    "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 describes SW only as the inductor connection and does not state an electrical pin type; The datasheet gives a single SOT23-5 package (ordering part ETA3418S2F, top mark dEYW) with no other"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0386,
        "at": "2026-10-09T11:00:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903504875696128",
        "pages": 8,
        "sha256": "6cc777755cbd8222",
        "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": "eta3418s2f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta3418s2f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77bd4b2614872790635de5f1286cdd2c7fa1e2cd756c1a1bb00b4b6c80906fb1",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "etasolution",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "eta3418s2f"
  ],
  "discovery_pitch": "ETA3418S2F (etasolution) 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",
    "eta3418s2f.kicad_sym",
    "eta3418s2f.kicad_mod",
    "eta3418s2f.glb",
    "eta3418s2f.step",
    "eta3418s2f.lbr",
    "docs/hero.png",
    "docs/eta3418s2f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta3418s2f-hero.glb",
    "eta3418s2f-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}