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lm4041aim3x-1-2

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Texas Instruments LM4041AIM3X 1 2 NOPB Voltage Reference, SOT-23-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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LM4041AIM3X-1.2

Texas Instruments LM4041AIM3X 1 2 NOPB · Voltage Reference · SOT-23-3

LM4041AIM3X-1.2 from Texas Instruments LM4041AIM3X 1 2 NOPB, in a SOT-23-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Cathode passive Cathode - shunt current input and 1.225 V reference output. Sink 60 µA to 12 mA through this pin (via a series resistor from the supply) to develop the reference voltage between cathode and anode.
2 Anode passive Anode - normally connected to system ground. Serves as the return terminal for the shunt current and the 0 V reference for the 1.225 V output measured at the cathode.
3 NC unconnected No internal connection on the 1.2 V fixed SOT-23 (DBZ) variant. Must be left floating or tied to the Anode pin, per the datasheet Pin Functions table.

Key specifications

Parameter Value
Manufacturer Texas Instruments LM4041AIM3X 1 2 NOPB
Package SOT-23-3
Category PMIC
Pins 3

Ordering variants

  • LM4041AIM3X-1.2
  • LM4041AIM3X-1.2AIM3-1.2
  • LM4041AIM3X-1.2BIM3-1.2
  • LM4041AIM3X-1.2QAIM3-1.2
  • LM4041AIM3X-1.2QBIM3-1.2
  • LM4041AIM3X-1.2BIM7-1.2
  • LM4041AIM3X-1.2AIZ-1.2
  • LM4041AIM3X-1.2BIZ-1.2

CAD (KiCad official)

  • Symbol: LM4041AIM3X-1.2
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: lm4041aim3x-1-2-etched.step / lm4041aim3x-1-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4041aim3x-1-2.step / lm4041aim3x-1-2.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments LM4041AIM3X 1 2 NOPB datasheet (None pp, sha256 75721ef057095beb, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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