BCR 401W H6327

{
  "slug": "bcr-401w-h6327",
  "version": "0.1.0",
  "type": "component",
  "description": "Infineon Technologies LED Drivers, SOT-343. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "component": {
    "mpn": "BCR 401W H6327",
    "manufacturer": "Infineon Technologies",
    "package": "SOT-343",
    "pin_count": 4,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d2f2da5431f802fadd2205173ea4691d.pdf",
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    "distributor_links": {
      "lcsc": "C533884",
      "mouser": "726-BCR401WH6327"
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      "checked_at": "2026-10-23T03:30:12Z",
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        "pn": "726-BCR401WH6327",
        "status": "found",
        "lifecycle": "Obsolete"
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the LED driver; dimming is possible by using an external digital transistor at this pin."
      },
      {
        "number": "2",
        "name": "IOUT",
        "type": "output",
        "description": "LED current output, preset to 10 mA and adjustable up to 60 mA with Rext, with maximum output voltage of 18 V."
      },
      {
        "number": "3",
        "name": "VS",
        "type": "power_in",
        "description": "Supply voltage pin, up to 18 V maximum with a 1.2 V typical minimum voltage overhead."
      },
      {
        "number": "4",
        "name": "Rext",
        "type": "passive",
        "description": "Optional external resistor connection in parallel with the internal 79 Ω resistor to raise output current from 10 mA up to 60 mA."
      }
    ],
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