
Relay board
waterloo-rocketry/rlcsv3
Arduino code and electrical schematics for Waterloo Rocketry Remote Launch Control System V3

The STPS2L25U is a schottky Diode made by STMicroelectronics in a SMB package with 2 pins. 1 Independent 25V 2A 450mV@2A 75A 90uA@25V SMB Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Schottky, from KiCad's library) and its footprint (Diode_SMD:D_SMB, from KiCad's library), ready for a KiCad board. 4,872 are in stock at JLCPCB (part C283261). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |

waterloo-rocketry/rlcsv3
Arduino code and electrical schematics for Waterloo Rocketry Remote Launch Control System V3

waterloo-rocketry/infrastructure
Ground Side Power Distribution
<iframe src="https://pcbkit.io/embed/parts/st/STPS2L25U" title="STPS2L25U in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/STPS2L25U.jpg" alt="STPS2L25U" width="1200" height="900">[](https://pcbkit.io/parts/st/STPS2L25U)Yes. The symbol is Device:D_Schottky and the footprint Diode_SMD:D_SMB, both drawn on this page. PCBKit places them on a board for you when you design with it.
SMB, with 2 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C283261, with 4,872 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the SS510B by hongjiacheng, the SS54B by hongjiacheng, the SS56B by hongjiacheng and the SS34 by MDD. 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.