UL66CG-06-AB3-R

{
  "schema_version": 1,
  "type": "component",
  "slug": "ul66cg-06-ab3-r",
  "title": "UL66CG-06-AB3-R",
  "brief": "UTC Unisonic Tech LED Drivers, SOT-89. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "ul66cg-06-ab3-r"
  ],
  "component": {
    "mpn": "UL66CG-06-AB3-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/165480315b264e15be4efb2084c0f0fb.pdf",
    "parts": {
      "symbol": "ul66cg-06-ab3-r.kicad_sym",
      "footprint": "ul66cg-06-ab3-r.kicad_mod",
      "model_3d": "ul66cg-06-ab3-r-etched.glb",
      "model_3d_plain": "ul66cg-06-ab3-r.glb",
      "model_3d_step": "ul66cg-06-ab3-r-etched.step",
      "model_3d_step_plain": "ul66cg-06-ab3-r.step",
      "lbr": "ul66cg-06-ab3-r.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Current output pin. Connects to the cathode of the LED string; sinks the regulated constant current (5-60mA) set by REXT. Withstands up to 450V when IOUT=0; drops ~6.5V at IOUT=30mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Return path for internal LDO and current-sense circuitry."
      },
      {
        "number": "3",
        "name": "REXT",
        "type": "input",
        "description": "Output current setting pin. An external resistor from REXT to GND programs the constant output current; VREXT is regulated to 0.6V typical (IOUT ≈ 0.6V / REXT)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/165480315b264e15be4efb2084c0f0fb.pdf",
        "pages": 4,
        "sha256": "137cf1e91d08342f",
        "source_tier": "mfr"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOT-89",
      "Category": "LED-drv",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "UL66CG-06-AB3-R",
      "kind": "packaging"
    },
    {
      "mpn": "UL66CG-06-AB3-RAA3",
      "kind": "packaging"
    },
    {
      "mpn": "UL66CG-06-AB3-RTN3",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ul66cg-06-ab3-r"
  ],
  "discovery_pitch": "UL66CG-06-AB3-R (UTC Unisonic Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ul66cg-06-ab3-r.kicad_sym",
    "ul66cg-06-ab3-r.kicad_mod",
    "ul66cg-06-ab3-r.glb",
    "ul66cg-06-ab3-r.step",
    "ul66cg-06-ab3-r.lbr",
    "docs/hero.png",
    "docs/ul66cg-06-ab3-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T13:42:05.193Z"
}