component
TL431G-AE2-R
Public Made by Adomby adom
UTC Unisonic Tech Voltage Reference, SOT-23-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTL431G-AE2-R
UTC Unisonic Tech · Voltage Reference · SOT-23-3
TL431G-AE2-R from UTC Unisonic Tech, 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 | K | output | Cathode output terminal; operates from VREF (approx. 2.5V) to 36V with cathode current range −100 to +150 mA continuous and dynamic impedance 0.15 to 0.5 Ω at 1-100 mA. |
| 2 | R | input | Reference input terminal with voltage approximately 2.5V and input current range −0.05 to +10 mA. |
| 3 | A | power_in | Anode terminal; ground/negative supply return and regulator reference point. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC Unisonic Tech |
| Package | SOT-23-3 |
| Category | Power Management (PMIC) |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
TL431G-AE2-R - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files:
tl431g-ae2-r-etched.step/tl431g-ae2-r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tl431g-ae2-r.step/tl431g-ae2-r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC Unisonic Tech datasheet (6 pp, sha256
cbc7e42ea3607271, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).