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Ray Set visibility: public 0719761 7h ago
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{
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  "type": "component",
  "slug": "rs3219-1-8yf3",
  "title": "RS3219-1.8YF3",
  "brief": "Jiangsu RUNIC Tech Linear Voltage Regulators (LDO), SOT-23. 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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  "component": {
    "mpn": "RS3219-1.8YF3",
    "manufacturer": "Jiangsu RUNIC Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
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      "model_3d_step_plain": "rs3219-1-8yf3.step",
      "lbr": "rs3219-1-8yf3.lbr"
    },
    "distributor_links": {
      "lcsc": "C2762314"
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    "distributor_check": {
      "checked_at": "2026-10-22T21:48:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator."
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      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output, fixed 1.8V for this version, up to 300 mA output current."
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        "guards": "pin_guards 0.1: passed",
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        "at": "2026-10-22T21:48:27"
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        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-22",
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  "metadata": {
    "specs": {
      "Manufacturer": "Jiangsu RUNIC Tech",
      "Package": "SOT-23",
      "Category": "Power Management ICs",
      "Pins": "3"
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    "characteristics": {
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      "source": "datasheet",
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          "min": 2.5,
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          "max": 5.5,
          "conditions": "+25",
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          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
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          "max": 6,
          "conditions": "IOUT = 0.1mA, +25",
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          "source": "datasheet"
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          "name": "Maximum Output Current",
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          "kind": "electrical",
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          "name": "Current Limit",
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          "name": "Ground Pin Current",
          "symbol": "IQ",
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          "unit": "µA",
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          "typ": 100,
          "max": 200,
          "conditions": "No load, EN = 2V, +25",
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          "source": "datasheet"
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        {
          "name": "Line Regulation",
          "symbol": "ΔVLNR",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.03,
          "max": 0.09,
          "conditions": "VIN = 2.5V or (VOUT + 0.5V) to 5.5V, IOUT = 1mA, +25",
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        {
          "name": "Load Regulation",
          "symbol": "ΔVLDR",
          "kind": "electrical",
          "unit": "%/mA",
          "min": null,
          "typ": 0.002,
          "max": 0.005,
          "conditions": "IOUT =0.1mA to 300mA, COUT = 1µF, +25",
          "source_page": 4,
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        {
          "name": "EN Input Threshold High",
          "symbol": "VIH",
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          "min": 0.7,
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          "name": "EN Input Threshold Low",
          "symbol": "VIL",
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          "conditions": "VIN = 2.5V to 5.5V, VEN = -0.3V to VIN, Full",
          "source_page": 4,
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          "name": "EN Input Bias Current",
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          "kind": "electrical",
          "unit": "μA",
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          "typ": 0.01,
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          "conditions": "EN = 0V or EN = 5.5V, +25",
          "source_page": 4,
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          "name": "Input Voltage (recommended)",
          "symbol": "VIN",
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        {
          "name": "Output Voltage (recommended)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 5,
          "conditions": "",
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          "source": "datasheet"
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          "name": "Enable Input Voltage (recommended)",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max is VIN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 300,
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        {
          "name": "Junction Temperature (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max is VIN + 0.3",
          "source_page": 3,
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        {
          "name": "Enable input voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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        {
          "name": "Junction temperature",
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          "unit": "°C",
          "min": null,
          "typ": null,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
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          "conditions": "Human-body model (HBM)",
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        {
          "name": "ESD MM",
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          "min": -200,
          "typ": null,
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          "conditions": "Machine model (MM)",
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        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "IQ(SHDN)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "EN = 0.4V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Noise",
          "symbol": "en",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "f = 10Hz to 100kHz, CBP = 0.1µF, COUT = 10µF, +25",
          "source_page": 4,
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        {
          "name": "PSRR at 217Hz",
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          "min": null,
          "typ": 67,
          "max": null,
          "conditions": "CBP = 0.1μF, ILOAD = 50mA, COUT = 1μF, VIN = VOUT+1V, f = 217Hz, +25",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PSRR at 1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 64,
          "max": null,
          "conditions": "CBP = 0.1μF, ILOAD = 50mA, COUT = 1μF, VIN = VOUT+1V, f = 1kHz, +25",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Exit Delay",
          "symbol": "",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "CBP = 0.01μF, COUT = 1μF, No Load, +25",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSHDN",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
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          "name": "Thermal Shutdown Hysteresis",
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          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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