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Contents

README

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TS4041EILT-1.2

STMicroelectronics · Voltage Reference · SOT-23-3

TS4041EILT-1.2 from STMicroelectronics, in a SOT-23-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Cathode passive Cathode of the shunt reference, which regulates at 1.225V typical (Ik = 100µA) with operating current from 65µA minimum to 12mA maximum and a 20mA maximum reverse breakdown current.
2 Anode passive Anode of the shunt reference, the return/ground-side terminal; forward current is limited to 10mA maximum.
3 NC unconnected This pin must be left floating or connected to pin 2 (anode).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOT-23-3
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: TS4041EILT-1.2
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ts4041eilt-1-2-etched.step / ts4041eilt-1-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ts4041eilt-1-2.step / ts4041eilt-1-2.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (9 pp, sha256 c39e9534baa42ea8, retrieved 2026-10-07, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF