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Ray Set visibility: public c736b81 2h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kia7818api-u",
  "title": "KIA7818API-U",
  "brief": "KEC Semicon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220F. 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)",
    "kia7818api-u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KIA7818API-U",
    "manufacturer": "KEC Semicon",
    "package": "TO-220F",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897177837424640",
    "parts": {
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      "footprint": "kia7818api-u.kicad_mod",
      "model_3d": "kia7818api-u-hero.glb",
      "model_3d_step": "kia7818api-u.step",
      "lbr": "kia7818api-u.lbr",
      "model_3d_plain": "kia7818api-u.glb"
    },
    "distributor_links": {
      "lcsc": "C69751"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T16:48:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input voltage terminal; absolute maximum input voltage is 40 V for KIA7818, and it needs a capacitor to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, also connected to the package, and the reference for the input and output capacitors."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 18 V output (17.3 to 18.7 V at Tj=25°C, IOUT=100mA) with output current in excess of 1 A and internal short-circuit current limiting."
      }
    ],
    "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 hint says TO-220F, but the datasheet names the API suffix package TO-220IS (the isolated",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 20,
        "cost_usd": 0.348,
        "at": "2026-11-06T16:48:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897177837424640",
        "pages": 20,
        "sha256": "edd644632a33a22d",
        "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": "kia7818api-u.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.16,
          4.7,
          28.85
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.935,
        "footprint_binding": "identity",
        "sha256": "7f1d530d2b80afd7cfb6522420bdcf9d79666f9bf84bbc5b905bfc33593c7ef0",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEC Semicon",
      "Package": "TO-220F",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "edd644632a33a22d8d42f9bad2301029a3890a5d0936d781776010ab1c99b08d",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 17.3,
          "typ": 18,
          "max": 18.7,
          "conditions": "Tj=25℃, IOUT=100mA",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 17.1,
          "typ": null,
          "max": 18.9,
          "conditions": "21V≤VIN≤33V, 5.0mA≤IOUT≤1.0A, Po≤15W",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input Regulation",
          "symbol": "Reg line",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 13,
          "max": 360,
          "conditions": "Tj=25℃, 21V≤VIN≤33V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input Regulation",
          "symbol": "Reg line",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 180,
          "conditions": "Tj=25℃, 24V≤VIN≤30V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Reg load",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 360,
          "conditions": "Tj=25℃, 5mA≤IOUT≤1.4A",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Reg load",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 180,
          "conditions": "Tj=25℃, 250mA≤IOUT≤750mA",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 8,
          "conditions": "Tj=25℃, IOUT=5mA",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "21V≤VIN≤33V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection Ratio",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 52,
          "typ": 68,
          "max": null,
          "conditions": "f=120Hz, 22V≤VIN≤32V, IOUT=50mA, Tj=25℃",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "KIA7818 (Ta=25℃)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation-1 (No Heatsink), API",
          "symbol": "PD1",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "No heatsink, API (TO-220IS), Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation-2 (Infinite Heatsink), API",
          "symbol": "PD2",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 20.8,
          "conditions": "Infinite heatsink, API (TO-220IS), Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "kia7818api-u"
  ],
  "discovery_pitch": "KIA7818API-U (KEC Semicon) 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",
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    "kia7818api-u.step",
    "kia7818api-u.lbr",
    "docs/hero.png",
    "docs/kia7818api-u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "kia7818api-u-hero.glb",
    "kia7818api-u-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}