
Power kit
smotesko/power-kit-PSU
Isolated switch mode power supply for Eurorack synth, ±12V and +5V outputs

The 51105C is a common Mode Filter made by Murata with 4 pins. -40℃~+125℃ 1mH 2 3.3A 38mΩ - Common Mode Filters ROHS.
PCBKit's library has its KiCad symbol (Inductors & Transformers:Inductor Common Mode 1Dot-4 2Dot-3, from CERN's library) and its footprint (Inductors THD:IND_MURATA_5100, from CERN's library), ready for a KiCad board. 61 are in stock at JLCPCB (part C3211757). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Passive |
| 2 | 2 | Passive |
| 3 | 3 | Passive |
| 4 | 4 | Passive |

smotesko/power-kit-PSU
Isolated switch mode power supply for Eurorack synth, ±12V and +5V outputs
<iframe src="https://pcbkit.io/embed/parts/murata/51105C" title="51105C in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/murata/51105C.jpg" alt="51105C" width="1200" height="900">[](https://pcbkit.io/parts/murata/51105C)Yes. The symbol is Inductors & Transformers:Inductor Common Mode 1Dot-4 2Dot-3 and the footprint Inductors THD:IND_MURATA_5100, both drawn on this page. PCBKit places them on a board for you when you design with it.
Murata publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3211757, with 61 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the PDMCAT953-102MLN by PROD Tech, the FC-DLFH2520-102Y-LF by FANGCHENG, the FC-DLFH2520H-102Y-LF by FANGCHENG and the PDMCAT221413-102MLB by PROD Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.