Raspberry Pi Forums

Hi, recently i acquired one RPI 3 B+ with broken USB power connector, so i resoldered it, and while doing that i saw that one inductor is broken (literally) and decided to find the schematic to change it.
Found the schematic, because they are available from manufacturer directly.
Found the inductor i need in the schematic and it says - L14 2R2
So im not an expert in inductors, but usually ive seen numbers like 2.2uH or 2u2 or similar, but always micro henries.
So not knowing what 2R2 means i tur to you guys for help to identify the induictor, so i could replace it with a new one.
It would be a shame if i had to throw it out just because one inductor is broken
Thanks in advance.

Farads and μF are for capacitance; inductance is measured in Henries and μH

The value you need is 2μ2H

My theory is that whoever prints the values on the schematic has a keyboard missing its "H" key. You'll notice that non of the capacitors has a "C" in its label, so his "C" key is also missing.

For the gory details, try https://www.exar.com/ds/mxl7704.pdf

Burngate wrote: ↑

Tue Oct 23, 2018 10:22 am

Farads and μF are for capacitance; inductance is measured in Henries and μH

The value you need is 2μ2H

My theory is that whoever prints the values on the schematic has a keyboard missing its "H" key. You'll notice that non of the capacitors has a "C" in its label, so his "C" key is also missing.

For the gory details, try https://www.exar.com/ds/mxl7704.pdf

thought of henries wrote farads
Thanks

would this be good?
https://lv.farnell.com/coilcraft/pfl201 ... dp/2288747
would 1A would be good enough for this ( i understand 1.8V rail)