LM4050CEM3X-2.5

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  "slug": "lm4050cem3x-2-5",
  "title": "LM4050CEM3X-2.5",
  "brief": "Texas Instruments Voltage Reference, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LM4050CEM3X-2.5",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4050-n",
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      "lbr": "lm4050cem3x-2-5.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal of the shunt reference. Connect through a series resistor (Rs) from the supply Vs; the regulated 2.5V reverse-breakdown voltage appears here (Vout). Sinks the shunt current (IQ + IL); operating cathode current range 60μA to 15mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal, normally tied to system ground. Serves as the reference return for the 2.5V output measured at the CATHODE pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to pin 2 (ANODE). In high-EMI environments (e.g. near transformers) or with significant high-frequency switching noise, TI recommends tying this pin to the anode."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4050-n",
        "pages": null,
        "sha256": "a56eb11c173b31e8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-07",
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        "checked": "2026-10-07",
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
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      "mpn": "LM4050CEM3X-2.5",
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    {
      "mpn": "LM4050CEM3X-2.5CIM3X",
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    {
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    {
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    {
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    },
    {
      "mpn": "LM4050CEM3X-2.5AIM3X",
      "kind": "different-part"
    },
    {
      "mpn": "LM4050CEM3X-2.5BIM3",
      "kind": "different-part"
    },
    {
      "mpn": "LM4050CEM3X-2.5BIM3X",
      "kind": "different-part"
    }
  ],
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  "discovery_triggers": [
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  "discovery_pitch": "LM4050CEM3X-2.5 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "updated_at": "2026-09-28T16:55:36.681Z"
}