LM4040B25IDBZT

{
  "slug": "lm4040b25idbzt",
  "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)",
    "lm4040b25idbzt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4040b25idbzt.kicad_sym",
    "lm4040b25idbzt.kicad_mod",
    "lm4040b25idbzt.glb",
    "lm4040b25idbzt.step",
    "lm4040b25idbzt.lbr",
    "docs/hero.png",
    "docs/lm4040b25idbzt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040b25idbzt-hero.glb",
    "lm4040b25idbzt-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4040B25IDBZT",
    "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/lm4040",
    "parts": {
      "symbol": "lm4040b25idbzt.kicad_sym",
      "footprint": "lm4040b25idbzt.kicad_mod",
      "model_3d": "lm4040b25idbzt-hero.glb",
      "model_3d_plain": "lm4040b25idbzt.glb",
      "model_3d_step": "lm4040b25idbzt-etched.step",
      "model_3d_step_plain": "lm4040b25idbzt.step",
      "lbr": "lm4040b25idbzt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2877892",
      "digikey": "296-32109-2-ND",
      "mouser": "595-LM4040B25IDBZT"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T01:31:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-32109-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM4040B25IDBZT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "output",
        "description": "Shunt reference voltage cathode output terminal providing 2.5V nominal with 0.2% initial accuracy, ±100 ppm/°C temperature coefficient, and 45 μA to 15 mA operating current range over -40°C to 85°C."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "power_in",
        "description": "Shunt reference anode terminal serving as ground or common return, typically connected to system ground or negative power supply."
      },
      {
        "number": "3",
        "name": "*",
        "type": "unconnected",
        "description": "Parasitic Schottky diode terminal between pins 2 and 3 in SOT-23 package; must be left floating or connected to anode, preferably to anode in high-EMI or high-frequency switching noise environments."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 26,
        "cost_usd": 0.291,
        "at": "2026-10-06T01:30:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040",
        "pages": 62,
        "sha256": "68faec55d71e5cd5",
        "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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}