
Magnetic switch
miket6000/SimpleSwitch
A magnetic power switch for use in rocketry

The BAT54CT is a schottky Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-523-3 package with 3 pins. 1 Pair Common Cathode 1V@100mA 200mA 2uA@25V 30V 600mA SOT-523-3 Schottky Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:BAT54C, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 20,790 are in stock at JLCPCB (part C77320). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
| 3 | — | Passive |

miket6000/SimpleSwitch
A magnetic power switch for use in rocketry

Alzymologist/Kampela
Hardware signer and key storage for Substrate ecosystem
<iframe src="https://pcbkit.io/embed/parts/cj/BAT54CT" title="BAT54CT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/BAT54CT.jpg" alt="BAT54CT" width="1200" height="900">[](https://pcbkit.io/parts/cj/BAT54CT)Yes. The symbol is Diode:BAT54C and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-523-3, with 3 pins. Its footprint is drawn on this page.
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C77320, with 20,790 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the BAT54S by MDD, the BAT54S by hongjiacheng, the BAT54S by JSMSEMI and the BAT54S,215 by Nexperia. 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.