
PSLab
fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io

TECH PUBLIC
-55℃~+125℃ 10A@8/20us 14V 150W@8/20us 30pF、60pF 5.5V 6V 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHS
The SP0503BAHTG is an ESD And Surge Protection made by TECH PUBLIC in a SOT-143 package with 4 pins. -55℃~+125℃ 10A@8/20us 14V 150W@8/20us 30pF、60pF 5.5V 6V 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Power_Protection:SP0503BAHT, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-143, from KiCad's library), ready for a KiCad board. 45,533 are in stock at JLCPCB (part C3040626). 305 open-source boards in 240 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A | Passive |
| 2 | K | Passive |
| 3 | K | Passive |
| 4 | K | Passive |

fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io




FeralFirmware/TailTalk
A modern async user space AppleTalk stack with Rust + Tokio

DvidMakesThings/HW_PDNode-600-Pro
The PDNode-600 is a professional-grade, 600W USB Power Delivery Unit designed specifically for compact 10-inch rack systems, targeting embedded developers, homelab enthusiasts, test benches, and smart infrastructure.


Mew463/esp32-caliper
It features a built in 150mAh battery and a USB C interface for charging/uploading code.
<iframe src="https://pcbkit.io/embed/parts/tech-public/SP0503BAHTG" title="SP0503BAHTG in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/tech-public/SP0503BAHTG.jpg" alt="SP0503BAHTG" width="1200" height="900">[](https://pcbkit.io/parts/tech-public/SP0503BAHTG)Yes. The symbol is Power_Protection:SP0503BAHT and the footprint Package_TO_SOT_SMD:SOT-143, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-143, with 4 pins. Its footprint is drawn on this page.
TECH PUBLIC publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3040626, with 45,533 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the PRTR5V0U2X by Nexperia, the SP0503BAHTG by Littelfuse, the PRTR5V0U2X-MS by MSKSEMI and the PRTR5V0U2AX,215 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
305 boards in 240 repositories on GitHub; the most starred are listed on this page, with their KiCad files.