component
TL431G-AE2-R
Public Made by Adomby adom
UTC Unisonic Tech Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# TL431G-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.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl431g-ae2-r.step` / `tl431g-ae2-r.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UTC Unisonic Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175480714170368) (6 pp, sha256 `cbc7e42ea3607271`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).++[Datasheet PDF](docs/tl431g-ae2-r-datasheet.pdf)
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