
GS Mainboard
Queens-Rocket-Engineering-Team/Avionics-23-26
QRET Avionics hardware, firmware, and documentation for 2023 to 2025.

The B1S is a bridge Rectifier made by Leshan Radio (LRC) in a MBS package with 4 pins. -55℃~+150℃@(Tj) 1.05V@0.5A 100V 30A 500mA 5uA Single-Phase Rectifier MBS Bridge Rectifiers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MB10F-50_C5270600, from EasyEDA) and its footprint (EasyEDA_Cloud:B1S_L4.7-W4.0-P2.50-LS7.0-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2857386). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | AC | Unspecified |
| 2 | AC | Unspecified |
| 3 | + | Unspecified |
| 4 | - | Unspecified |

Queens-Rocket-Engineering-Team/Avionics-23-26
QRET Avionics hardware, firmware, and documentation for 2023 to 2025.
<iframe src="https://pcbkit.io/embed/parts/lrc/B1S" title="B1S in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/lrc/B1S.jpg" alt="B1S" width="1200" height="900">[](https://pcbkit.io/parts/lrc/B1S)Yes. The symbol is EasyEDA_Cloud:MB10F-50_C5270600 and the footprint EasyEDA_Cloud:B1S_L4.7-W4.0-P2.50-LS7.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
MBS, with 4 pins. Its footprint is drawn on this page.
Leshan Radio (LRC) publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2857386, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.