The EJ503A is a DC Power Connector made by MPD in a 插件 package with 3 pins. -15℃~+90℃ 12V 2.1mm 5.5mm 5A DC Power Jack Right Angle 插件 DC Power Connectors ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:EJ503A, from EasyEDA) and its footprint (EasyEDA_Cloud:DC-IN-TH_EJ503A, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3095117). 6 open-source boards in 4 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
nagapi2357-ui/Prime_Maxel-v3
V3 torsion ring PCB — original experiment showed apparent prime-ratio advantages, but a subsequent pre-registered replication (Plan C, pure sine waves) returned null on 7/8 metrics.
vishalsaravanan-k/home-automation-using-esp32-and-relay
This project is a basic home automation system built using an ESP32, capable of turning appliances ON/OFF through both mobile app (via Wi-Fi) and an IR remote.
<iframe src="https://pcbkit.io/embed/parts/mpd/EJ503A" title="EJ503A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/mpd/EJ503A.jpg" alt="EJ503A" width="1200" height="900">[](https://pcbkit.io/parts/mpd/EJ503A)Yes. The symbol is EasyEDA_Cloud:EJ503A and the footprint EasyEDA_Cloud:DC-IN-TH_EJ503A, both drawn on this page. PCBKit places them on a board for you when you design with it.
插件, with 3 pins. Its footprint is drawn on this page.
MPD publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3095117, with 0 in stock; the sellers' links on this page open their listings.
6 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.