LM4050BEM3X-2.5

{
  "slug": "lm4050bem3x-2-5",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4050bem3x-2.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4050bem3x-2-5.kicad_sym",
    "lm4050bem3x-2-5.kicad_mod",
    "lm4050bem3x-2-5.glb",
    "lm4050bem3x-2-5.step",
    "lm4050bem3x-2-5.lbr",
    "docs/hero.png",
    "docs/lm4050bem3x-2-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4050bem3x-2-5-hero.glb",
    "lm4050bem3x-2-5-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4050BEM3X-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",
    "parts": {
      "symbol": "lm4050bem3x-2-5.kicad_sym",
      "footprint": "lm4050bem3x-2-5.kicad_mod",
      "model_3d": "lm4050bem3x-2-5-hero.glb",
      "model_3d_plain": "lm4050bem3x-2-5.glb",
      "model_3d_step": "lm4050bem3x-2-5-etched.step",
      "model_3d_step_plain": "lm4050bem3x-2-5.step",
      "lbr": "lm4050bem3x-2-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156990",
      "digikey": "2156-LM4050BEM3X-2.5-ND",
      "mouser": "926-LM4050BEM3X-25"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:20:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-LM4050BEM3X-2.5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "926-LM4050BEM3X-25",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Shunt current and input voltage pin; the reference regulates the voltage between cathode and anode according to the current supplied to the cathode, which must stay within the specified minimum (IRMIN) and the 15 mA maximum operating current."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "General-purpose pin that is normally grounded, and it must not exceed the 10 mA maximum forward current stated in the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but it must be left floating or connected to pin 2 (anode) because of a parasitic Schottky diode between pin 2 and the die attach contact in the SOT-23 package; TI recommends connecting it to the anode in high-EMI or high-frequency switching-noise applications."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table gives Chinese names (负极 / 正极) and I/O labels (I/O, O); the English names Cat; Pin 3 is printed as NC, but the figure note says it must float or connect to pin 2, so its type is m; The pinout is for the DBZ (SOT-23) package. The package addendum on page 27 lists LM4050BEM3X-2.5 va"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1188,
        "at": "2026-10-11T07:19:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4050-n",
        "pages": 47,
        "sha256": "02a99aa1f022863b",
        "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"
    },
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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
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4050bem3x-2-5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f5aa8015e4c8e8508db7927ea337c76fc4964bfa63fe8fbd513215768458f5eb",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}