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Ray Set visibility: public 036fe17 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "se8117t18hf",
  "title": "SE8117T18HF",
  "brief": "Seaward Elec Linear Voltage Regulators (LDO), SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
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  "component": {
    "mpn": "SE8117T18HF",
    "manufacturer": "Seaward Elec",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7aa75ecaf07a7a72ef5f268a2d6840d3.pdf",
    "parts": {
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      "footprint": "se8117t18hf.kicad_mod",
      "model_3d": "se8117t18hf-hero.glb",
      "model_3d_plain": "se8117t18hf-etched.glb",
      "model_3d_step": "se8117t18hf-etched.step",
      "model_3d_step_plain": "se8117t18hf.step",
      "lbr": "se8117t18hf.lbr"
    },
    "distributor_links": {
      "lcsc": "C2847594"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T05:16:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "A resistor divider from this pin to the VOUT pin and ground sets the output voltage, and the pin is ground only in fixed-mode versions."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "The regulator output requires a minimum 4.7µF capacitor with 0.15Ω ≤ ESR ≤ 0.5Ω connected from this pin to ground for stability."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "The input must be kept at least 1.3V above VOUT for proper regulation, and a minimum 4.7µF capacitor with 0.15Ω ≤ ESR ≤0.5Ω must be connected from this pin to ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 ordering table lists SE8117T18-HF-1.8V in SOT-223 (Tape and Reel), which matches the requested p"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0252,
        "at": "2026-11-05T05:16:36"
      },
      "datasheet": {
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        "pages": 9,
        "sha256": "23ae86778a865694",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "se8117t18hf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "se8117t18hf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "02331c6cde064019b7a3ec6bacfcb775d2dbced047ff6f72c8bd60526d19f587",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Seaward Elec",
      "Package": "SOT-223-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "23ae86778a865694f1adea3b7ed4bdfcf8e7a2b89d917eae9f05759b6878afc4",
      "rows": [
        {
          "name": "Output Voltage (SE8117T-18)",
          "symbol": "VO",
          "kind": "tolerance",
          "unit": "V",
          "min": 1.764,
          "typ": 1.8,
          "max": 1.836,
          "conditions": "VIN,MAX ≤ 9V, VIN,MIN – VOUT = 2V, IOUT = 10mA, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (Fixed Output Version)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.7,
          "max": 5,
          "conditions": "Fixed Output Version",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust Pin Current (GND Current)",
          "symbol": "IADJ (IGND)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": 120,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust Pin Current Change",
          "symbol": "ΔIADJ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "VOUT + 1.5V < VIN < 9V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.25,
          "conditions": "IOUT = 0.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": 1.35,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "SOT-223, without heat sink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering 10 Sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TMJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "se8117t18hf"
  ],
  "discovery_pitch": "SE8117T18HF (Seaward Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}