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satspy
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CRS354-48P-4S+2Q+RM....need values of two tiny smd capacitors...Plese help !

Tue Apr 23, 2024 12:28 am

Dear all,

While i was changing cooling fans, i accidentally drop screwdriver onto motherboard, and broke two tiny capacitors.
Now, ports 9-16 not working, those capacitors is located above second switch chip from the left side.
Picture attached.

Can somebody help ?! I just need values of those two capacitors.
It is really tiny :-)

Thanks !

Best regards !
IMG_20240422_230221_crs354.jpeg
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savage
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Re: CRS354-48P-4S+2Q+RM....need values of two tiny smd capacitors...Plese help !

Tue Apr 23, 2024 10:09 am

I'd take a stab and say it is more than likely bypass / filter capacitors for the chip.

As a unwritten 'standard' - try 0.1uF, maybe 6.3V (you should be able to get a voltage reading there to rate the caps appropriately for voltage levels).
 
satspy
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Re: CRS354-48P-4S+2Q+RM....need values of two tiny smd capacitors...Plese help !

Tue Apr 23, 2024 10:42 pm

Hello,

Maybe MikroTik can help?
Its not a big deal for them to reveal values for those capacitors.

Anyone?!

Please !
 
ulds
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Re: CRS354-48P-4S+2Q+RM....need values of two tiny smd capacitors...Plese help !

Thu Apr 25, 2024 10:28 am

Those would definitely be 0.1uF. Looks like standard 0201 package so likely a 10V X5R variety.

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