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Ray Set visibility: public 14f5db8 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lr8103b-t33",
  "title": "LR8103B-T33",
  "brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. 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)",
    "lr8103b-t33",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LR8103B-T33",
    "manufacturer": "LR",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590445429516509184",
    "parts": {
      "symbol": "lr8103b-t33.kicad_sym",
      "footprint": "lr8103b-t33.kicad_mod",
      "model_3d": "lr8103b-t33-hero.glb",
      "model_3d_plain": "lr8103b-t33-etched.glb",
      "model_3d_step": "lr8103b-t33-etched.step",
      "model_3d_step_plain": "lr8103b-t33.step",
      "lbr": "lr8103b-t33.lbr"
    },
    "distributor_links": {
      "lcsc": "C5179956"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:10:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, rated up to 6.5V in operation (9V absolute maximum), needs a ceramic bypass capacitor of at least 1µF close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages; a large copper ground pour is recommended for noise immunity and heat dissipation."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input that switches the regulator ON/OFF, with enable voltage 0.7V to 1.2V and shutdown current of ±1µA max when CE=0V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Fixed 3.3V regulated output (±1%) for the -T33 version, up to 300mA with short-circuit current clamped to 30mA, needs an output capacitor of at least 1µF."
      }
    ],
    "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 pin numbers and names were taken from the text-extracted top-view drawing of the SOT23-5L packag; The 5-pin SOT23-5L outline with CE is the LR8103B variant (the ordering table lists LR8103B-T33 as S; The datasheet does not specify a pin-level description for NC beyond the drawing label, so the NC de"
        ],
        "pages_sent": 10,
        "cost_usd": 0.039,
        "at": "2026-10-18T19:08:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590445429516509184",
        "pages": 10,
        "sha256": "1164d007f79e861e",
        "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": "lr8103b-t33.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr8103b-t33-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8e5da0ac6e59ec07d0364826b30438fb4a93b8c39e29c72f5d0585aed29068fa",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LR",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1164d007f79e861e3e846d7edb1da76eb16e47bdbc0401c06da9ed17d0720acd",
      "rows": [
        {
          "name": "Input voltage (electrical, ISS=1uA)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6.5,
          "conditions": "ISS=1uA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum input supply voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation SOT23-5L",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-5L",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -10,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD human body model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "H.B.M POS/NEG",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage",
          "symbol": "VCE",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": 1.2,
          "conditions": "VIN=2.2V,IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "△VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "VOUT+1V≤VIN≤6.5V,VIN=VCE ,IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "△VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "VIN= VCE= VOUT+1V,1mA≤IOUT≤100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHD",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN=VOUT+1V,VCE=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.8,
          "max": 1,
          "conditions": "VIN= VCE= VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of output voltage",
          "symbol": "△VOUT/(△Ta*VOUT)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": 50,
          "max": 100,
          "conditions": "VIN= VCE=VOUT+1V,IOUT=10mA, -40℃≤Ta≤85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature (absolute)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Recommended maximum junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance SOT23-5L",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "SOT23-5L",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lr8103b-t33"
  ],
  "discovery_pitch": "LR8103B-T33 (LR) 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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  "files": [
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    "lr8103b-t33.step",
    "lr8103b-t33.lbr",
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    "lr8103b-t33-etched.glb"
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  "visibility": {
    "public": true
  }
}