main
Ray Set visibility: public 4b2ef91 4h ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653
{
  "schema_version": 1,
  "type": "component",
  "slug": "wr0332-33a30r",
  "title": "WR0332-33A30R",
  "brief": "Wayon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "wr0332-33a30r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WR0332-33A30R",
    "manufacturer": "Wayon",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f80c22d6597fe82efb16ec33f17db179.pdf",
    "parts": {
      "symbol": "wr0332-33a30r.kicad_sym",
      "footprint": "wr0332-33a30r.kicad_mod",
      "model_3d": "wr0332-33a30r-hero.glb",
      "model_3d_plain": "wr0332-33a30r-etched.glb",
      "model_3d_step": "wr0332-33a30r-etched.step",
      "model_3d_step_plain": "wr0332-33a30r.step",
      "lbr": "wr0332-33a30r.lbr"
    },
    "distributor_links": {
      "lcsc": "C3039417"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:57:58Z",
      "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": "Common ground."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage; requires a low-ESR capacitor, typically 1μF, from OUT to ground for stability, and an internal 150Ω (typical) pull-down resistor discharges VOUT when the regulator shuts down."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply (2.2V to 5.5V); bypass with a typical 1μF capacitor to GND placed as close to IN and GND as possible."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers for SOT23-3 taken from the pin description table (IN=3, GND=1, OUT=2); the top-view pin "
        ],
        "pages_sent": 9,
        "cost_usd": 0.062,
        "at": "2026-10-22T20:57:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f80c22d6597fe82efb16ec33f17db179.pdf",
        "pages": 30,
        "sha256": "115200abc938e7fe",
        "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": "wr0332-33a30r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wr0332-33a30r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c67b3bb1b962d9bd2f5f2b7c2babe97a3c709cb4a1cd1174defe3fbdd410e2e2",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Wayon",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "close as possible to their respective LDO pins. Connect the CIN and COUT grounds, with all LDO ground pins as close together as possible, through a wide copper surface. Using through-holes and long wi",
        "page": 22,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "115200abc938e7fe2d3a2ce3dab0d47456c7c333587fb91a5a004aaeb1f5955a"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "115200abc938e7fe2d3a2ce3dab0d47456c7c333587fb91a5a004aaeb1f5955a",
      "rows": [
        {
          "name": "Output Voltage Range",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "xVOUT",
          "min": 0.98,
          "typ": 1,
          "max": 1.02,
          "conditions": "VOUT>1.5V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 220,
          "max": 330,
          "conditions": "VOUT=3.3V, IOUT=300mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "VEN=VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current in the accuracy range",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "VEN=VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "LNR",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.1,
          "conditions": "VOUT=3.3V, VIN=4.3~5.5V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 60,
          "max": 80,
          "conditions": "VOUT=3.3V, IOUT=0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shut-down Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN high voltage (enabled)",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "VIN=5.5V, IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN low voltage (disabled)",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=5.5V, IOUT=1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input voltage range",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Nominal output voltage range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 3.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input capacitor",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input voltage range",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation PD(MAX)",
          "symbol": "PD(MAX)",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 681,
          "conditions": "SOT23-3, TA=25ºC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8000,
          "typ": null,
          "max": 8000,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 183.3,
          "max": null,
          "conditions": "SOT23-3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-board",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 148.1,
          "max": null,
          "conditions": "SOT23-3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Top thermal resistance",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 119.2,
          "max": null,
          "conditions": "SOT23-3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bottom thermal resistance",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 31.75,
          "max": null,
          "conditions": "SOT23-3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VEN=VIN, VOUT Short to GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "LDR",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VOUT=3.3V, IOUT=1~300mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Ripple Rejection",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VIN=(VOUT+1V) DC+0.5VP-P f=1kHz, IOUT=10mA, @VOUT=3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Ripple Rejection",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "VIN=(VOUT+1V) DC+0.5VP-P f=10kHz, IOUT=10mA, @VOUT=3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "VNO",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "BW = 10Hz to 100kHz, VOUT = 3.3 V, IOUT = 10 mA, COUT=1μF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "ºC",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "ΔTSD",
          "kind": "electrical",
          "unit": "ºC",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Discharge resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN=4.0V, VEN=0V",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wr0332-33a30r"
  ],
  "discovery_pitch": "WR0332-33A30R (Wayon) 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",
    "wr0332-33a30r.kicad_sym",
    "wr0332-33a30r.kicad_mod",
    "wr0332-33a30r.glb",
    "wr0332-33a30r.step",
    "wr0332-33a30r.lbr",
    "docs/hero.png",
    "docs/wr0332-33a30r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wr0332-33a30r-hero.glb",
    "wr0332-33a30r-hero.overlay.json",
    "wr0332-33a30r-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}