LM4040C25QDBZR

{
  "slug": "lm4040c25qdbzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4040c25qdbzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lm4040c25qdbzr.kicad_sym",
    "lm4040c25qdbzr.kicad_mod",
    "lm4040c25qdbzr.glb",
    "lm4040c25qdbzr.step",
    "lm4040c25qdbzr.lbr",
    "docs/hero.png",
    "docs/lm4040c25qdbzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040c25qdbzr-hero.glb",
    "lm4040c25qdbzr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4040C25QDBZR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040",
    "parts": {
      "symbol": "lm4040c25qdbzr.kicad_sym",
      "footprint": "lm4040c25qdbzr.kicad_mod",
      "model_3d": "lm4040c25qdbzr-hero.glb",
      "model_3d_plain": "lm4040c25qdbzr.glb",
      "model_3d_step": "lm4040c25qdbzr-etched.step",
      "model_3d_step_plain": "lm4040c25qdbzr.step",
      "lbr": "lm4040c25qdbzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872469",
      "digikey": "296-17939-2-ND",
      "mouser": "595-LM4040C25QDBZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:21:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-17939-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-LM4040C25QDBZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "bidirectional",
        "description": "Parallel current/voltage input (cathode); the cathode current IZ must stay within the recommended range of 15 mA maximum and the absolute maximum continuous cathode current of -10 mA to 25 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "output",
        "description": "General-purpose pin, normally connected to ground; it is the device's reference terminal relative to the cathode."
      },
      {
        "number": "3",
        "name": "*",
        "type": "input",
        "description": "Must be left floating or connected to the anode (pin 2); TI recommends tying it to the anode in applications with high EMI or significant high-frequency switching noise, and the datasheet notes a parasitic Schottky diode between pins 2 and 3 on SOT-23."
      }
    ],
    "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: Table 5-1 classifies this pin as type I (input) and marks it with '*', but the text says it must flo; Table 5-1 types the ANODE as O (output) and describes it as a general-purpose pin usually grounded. ; The datasheet's pinout is for the DBZ package, which matches the orderable LM4040C25QDBZR (SOT-23, 3"
        ],
        "pages_sent": 26,
        "cost_usd": 0.1742,
        "at": "2026-10-12T10:21:13"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040",
        "pages": 62,
        "sha256": "68faec55d71e5cd5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "role": "eda",
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        "footprint_binding": "identity",
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        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}