![[DFR1144][M027.00940](V1.0.0), the printed circuit board in 3D](/embed/boards/lattepandateam-lattepanda-mu-dfr1144-m027-00940-v1-0-0.jpg?size=s&soon)
[DFR1144][M027.00940](V1.0.0)
LattePandaTeam/LattePanda-Mu
All About LattePanda Mu N100/N305 Compute Module

The TL431ACDBZR is a voltage Reference made by Texas Instruments in a SOT-23-3 package with 3 pins. 0℃~+70℃ 100mA 2.495V~36V 2.495V~36V 600uA Adjustable Parallel ±1% SOT-23-3 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TPR431B-S3TR, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-3, from KiCad's library), ready for a KiCad board. 130,504 are in stock at JLCPCB (part C350683). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | CATHODE | Unspecified |
| 2 | REF | Unspecified |
| 3 | ANODE | Unspecified |
![[DFR1144][M027.00940](V1.0.0), the printed circuit board in 3D](/embed/boards/lattepandateam-lattepanda-mu-dfr1144-m027-00940-v1-0-0.jpg?size=s&soon)
LattePandaTeam/LattePanda-Mu
All About LattePanda Mu N100/N305 Compute Module

getlarge/Cosmonode_PCBs
Kicad plans to design a base node, also contains extensions adapted for different set of sensors/connectors.
<iframe src="https://pcbkit.io/embed/parts/ti/TL431ACDBZR" title="TL431ACDBZR in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/TL431ACDBZR.jpg" alt="TL431ACDBZR" width="1200" height="900">[](https://pcbkit.io/parts/ti/TL431ACDBZR)Yes. The symbol is EasyEDA_Cloud:TPR431B-S3TR and the footprint Package_TO_SOT_SMD:SOT-23-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-23-3, with 3 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C350683, with 130,504 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TL431AIDBZ by Texas Instruments, the TL431BQDBZR by Texas Instruments, the TL431G-AE2-R by UTC and the TL431AQDBZ by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.