
Final FullPCB
segf4u1t-139/EDL_Project_2026
A Hard fork of the EDL Project 2026 in IIT Bombay

The TL431ACD is a voltage Reference made by Texas Instruments in a SOIC-8 package with 8 pins. 0℃~+70℃ 100mA 2.47V~36V 2.495V~36V 4uA 600uA Adjustable Parallel ±1% SOIC-8 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL431ACDT-TP, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 96,911 are in stock at JLCPCB (part C67475). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | CATHODE | Unspecified |
| 2 | ANODE | Unspecified |
| 3 | ANODE | Unspecified |
| 4 | NC | Unspecified |
| 5 | NC | Unspecified |
| 6 | ANODE | Unspecified |
| 7 | ANODE | Unspecified |
| 8 | REF | Unspecified |

segf4u1t-139/EDL_Project_2026
A Hard fork of the EDL Project 2026 in IIT Bombay
<iframe src="https://pcbkit.io/embed/parts/ti/TL431ACD" title="TL431ACD 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/TL431ACD.jpg" alt="TL431ACD" width="1200" height="900">[](https://pcbkit.io/parts/ti/TL431ACD)Yes. The symbol is EasyEDA_Cloud:TL431ACDT-TP and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-8, with 8 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 C67475, with 96,911 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TL431AID by Texas Instruments, the TL431BVD by onsemi, the TL1431AIYDT by STMicroelectronics and the TL431ACDT by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.