LR8103A-T18

{
  "slug": "lr8103a-t18",
  "version": "0.1.0",
  "type": "component",
  "description": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lr8103a-t18",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lr8103a-t18.kicad_sym",
    "lr8103a-t18.kicad_mod",
    "lr8103a-t18.glb",
    "lr8103a-t18.step",
    "lr8103a-t18.lbr",
    "docs/hero.png",
    "docs/lr8103a-t18-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lr8103a-t18-hero.glb",
    "lr8103a-t18-hero.overlay.json",
    "lr8103a-t18-etched.glb"
  ],
  "component": {
    "mpn": "LR8103A-T18",
    "manufacturer": "LR",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603012296038379520",
    "parts": {
      "symbol": "lr8103a-t18.kicad_sym",
      "footprint": "lr8103a-t18.kicad_mod",
      "model_3d": "lr8103a-t18-hero.glb",
      "model_3d_plain": "lr8103a-t18-etched.glb",
      "model_3d_step": "lr8103a-t18-etched.step",
      "model_3d_step_plain": "lr8103a-t18.step",
      "lbr": "lr8103a-t18.lbr"
    },
    "distributor_links": {
      "lcsc": "C5337229"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T23:57:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages in the datasheet are specified relative to GND."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, fixed at 1.8V for the LR8103A-T18 with 300mA typical output current; short-circuit protection engages below 0.7V with a 30mA typical limit."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply, rated 6.5V maximum for regulation (absolute maximum 9V); a input bypass capacitor of at least 1uF ceramic is recommended."
      }
    ],
    "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 SOT23-3L top-view drawing text is garbled in extraction: the labels GND, VOUT and VIN and the nu; The LR8103A-T18 is listed as 1.8V in the ordering table, but the fixed-voltage 1.8V statement in the"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0383,
        "at": "2026-10-16T23:57:16"
      },
      "datasheet": {
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        "pages": 10,
        "sha256": "1164d007f79e861e",
        "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": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
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        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}